| Terve Media Oy CVR 0108507-7 | OtherAudit | 2014 – 2022 | — | Active |
| Labquality Oy CVR 0110079-1 | OtherAudit | 2020 – 2022 | — | Active |
| Asunto Oy Riviollila CVR 0186043-2 | OtherAudit | 2008 – 2020 | — | Active |
| Jousi Group Oy CVR 0186972-8 | OtherAudit | 2012 – 2023 | — | Active |
| Kotivara Oy CVR 0187287-1 | OtherAudit | 2011 – 2023 | — | Active |
| Oulun Keilailutalo Oy CVR 0187383-1 | OtherAudit | 2014 – 2020 | — | Active |
| Pohjalainen Kirjakauppa Oy CVR 0187463-1 | OtherAudit | 2015 – 2023 | — | Active |
| Osuuskauppa Arina CVR 0187614-3 | OtherAudit | 2017 – 2023 | — | Active |
| Asunto-osakeyhtiö Isokatu 26 CVR 0187971-5 | OtherAudit | 2021 – 2023 | — | Active |
| Oulun Valkea Linna Oy CVR 0188337-8 | OtherAudit | 2018 – 2025 | — | Active |
| Asunto Oy Valurinlehto CVR 0188610-6 | OtherAudit | 2011 – 2023 | — | Active |
| Pentti Hämeenaho Oy CVR 0189251-4 | OtherAudit | 2021 – 2023 | — | Active |
| Korsu Oy CVR 0189310-3 | OtherAudit | 2014 – 2023 | — | Active |
| Kemi Shipping Oy CVR 0190883-8 | OtherAudit | 2008 – 2022 | — | Dissolved |
| Asunto Oy Karhukuusikko CVR 0192497-7 | OtherDeputy auditor | 2011 – 2019 | — | Active |
| Asunto Oy Hillapolku 11 CVR 0192518-7 | OtherDeputy auditor | 2016 – 2022 | — | Active |
| Asunto Oy Lainaantörmä CVR 0192535-5 | OtherDeputy auditor | 2015 – 2019 | — | Active |
| Asunto Oy Ojarentukka CVR 0192564-6 | OtherDeputy auditor | 2014 – 2019 | — | Active |
| Asunto Oy Ounasvaarantie CVR 0192575-0 | OtherDeputy auditor | 2011 – 2021 | — | Active |
| Asunto Oy Purilas CVR 0192599-6 | OtherDeputy auditor | 2011 – 2021 | — | Active |
| Asunto Oy Säästö-Markkina CVR 0192640-3 | OtherDeputy auditor | 2018 – 2021 | — | Active |
| Asunto Oy Toripuistikko 2 CVR 0192648-9 | OtherAudit | 2013 – 2021 | — | Active |
| Asunto Oy Toripuistikko 4 CVR 0192649-7 | OtherAudit | 2013 – 2021 | — | Active |
| Asunto Oy Tunturikoivu CVR 0192652-6 | OtherDeputy auditor | 2014 – 2019 | — | Active |
| Kiinteistö Oy Liike-Jaako CVR 0192734-2 | OtherDeputy auditor | 2014 – 2021 | — | Dissolved |
| Kuljetuspolar Oy CVR 0195020-0 | OtherAudit | 2015 – 2023 | — | Active |
| Asunto Oy Rova-Pekka CVR 0195389-0 | OtherDeputy auditor | 2016 – 2023 | — | Active |
| Hukka Oy CVR 0210180-9 | OtherAudit | 2017 – 2023 | — | Active |
| Asianajotoimisto Norra Oy CVR 0219886-6 | OtherAudit | 2015 – 2023 | — | Active |
| Asunto Oy Härkäkulma CVR 0220940-6 | OtherDeputy auditor | 2013 – 2020 | — | Active |
| Asunto-Oy Laivurinkatu 19 CVR 0220953-7 | OtherAudit | 2019 – 2025 | — | Active |
| Kiinteistö Oy Raahen Keskus CVR 0220994-0 | OtherAudit | 2013 – 2020 | — | Active |
| Asunto Oy Oulunkoski CVR 0226774-5 | OtherAudit | 2008 – 2019 | — | Active |
| Lehtonen Yhtiöt Oy CVR 0227581-7 | OtherAudit | 2019 – 2023 | — | Active |
| Asunto Oy Hankamukka CVR 0236657-5 | OtherDeputy auditor | 2017 – 2021 | — | Active |
| Asunto Oy Porokatu 10 CVR 0276948-9 | OtherDeputy auditor | 2017 – 2019 | — | Active |
| Rajakylän Palvelukeskus Oy CVR 0279556-4 | OtherAudit | 2022 – 2023 | — | Dissolved |
| Miilukangas Oy CVR 0288633-5 | OtherAudit | 2013 – 2023 | — | Active |
| Asunto Oy Ratakisko CVR 0297361-5 | OtherAudit | 2013 – 2021 | — | Active |
| Kiinteistö Oy Uusikatu 64 CVR 0298639-5 | OtherAudit | 2014 – 2023 | — | Active |
| Asunto Oy Vaaranlaita 3 CVR 0370793-3 | OtherDeputy auditor | 2013 – 2024 | — | Active |
| Asunto Oy Jäälinisäntä CVR 0413308-9 | OtherDeputy auditor | 2020 – 2023 | — | Active |
| Keitele Wood Oy CVR 0415189-3 | OtherAudit | 2017 – 2023 | — | Active |
| Simon Turvejaloste Oy CVR 0420307-5 | OtherAudit | 2008 – 2020 | — | Dissolved |
| Mectalent Oy CVR 0451356-7 | OtherAudit | 2014 – 2022 | — | Active |
| Kiinteistö Oy Ins-Teräs CVR 0470279-8 | OtherAudit | 2015 – 2020 | — | Active |
| Asunto Oy Iso-Ollila CVR 0490898-0 | OtherAudit | 2008 – 2026 | — | Active |
| Kiinteistö Oy Oulun Asemakatu 37 CVR 0510435-1 | OtherDeputy auditor | 2011 – 2023 | — | Active |
| Kiinteistö Oy Oulun Isokatu 14 CVR 0511764-6 | OtherAudit | 2021 – 2023 | — | Active |
| Coronaria Fysioterapia Oy CVR 0530530-5 | OtherAudit | 2018 – 2022 | — | Active |
| Wetteri Oyj CVR 0548170-4 | OtherAudit | 2022 – 2023 | — | Active |
| Asunto Oy Ounasmetso CVR 0551015-7 | OtherAudit | 2013 – 2020 | — | Active |
| Coronaria Kuntoutus TRIA Oy CVR 0556057-6 | OtherAudit | 2019 – 2022 | — | Dissolved |
| Coronaria Medica Oy CVR 0581377-2 | OtherAudit | 2017 – 2023 | — | Dissolved |
| Arkipäivä Oy CVR 0585203-4 | OtherAudit | 2016 – 2019 | — | Dissolved |
| Muhoksen Palvelukoti Oy CVR 0586645-2 | OtherAudit | 2014 – 2019 | — | Dissolved |
| Asunto Oy Sairaalakatu 6 CVR 0586883-7 | OtherDeputy auditor | 2011 – 2021 | — | Active |
| Kiinteistö Oy Tiilitori CVR 0592046-3 | OtherDeputy auditor | 2020 – 2023 | — | Active |
| Norrhydro Oy CVR 0606414-4 | OtherAudit | 2018 – 2023 | — | Active |
| Kotivara Yhtiöt Oy CVR 0618562-4 | OtherAudit | 2011 – 2023 | — | Active |
| North European Realestate Oy CVR 0637677-0 | OtherAudit | 2022 – 2023 | — | Active |
| ZEF Oy CVR 0640379-1 | OtherAudit | 2013 – 2023 | — | Active |
| Asunto Oy Rovaniemen Pohjankaira CVR 0640770-9 | OtherAudit | 2014 – 2021 | — | Active |
| Holstinmäen Automaalaamo Oy CVR 0643664-9 | OtherAudit | 2019 – 2023 | — | Active |
| Voimalohi Oy CVR 0664003-3 | OtherAudit | 2013 – 2024 | — | Active |
| Fysiokeskus Oy Savonlinna CVR 0670110-7 | OtherAudit | 2019 – 2023 | — | Active |
| Juhan Auto Oy CVR 0675039-8 | OtherAudit | 2018 – 2023 | — | Active |
| Head Balance Oy CVR 0677318-6 | OtherAudit | 2007 – 2021 | — | Active |
| Head Invest Oy CVR 0680096-5 | OtherAudit | 2011 – 2020 | — | Active |
| Saariselän Safarit Oy CVR 0682031-7 | OtherAudit | 2022 – 2023 | — | Dissolved |
| Arctic Husky Pyhä-Luosto Oy CVR 0692393-0 | OtherAudit | 2022 – 2023 | — | Dissolved |
| Lignum Aeternum Oy CVR 0696032-8 | OtherAudit | 2017 – 2023 | — | Active |
| Dianordia Oy CVR 0697039-0 | OtherAudit | 2022 – 2023 | — | Active |
| Riekkoparvi Oy CVR 0702724-9 | OtherAudit | 2022 – 2023 | — | Active |
| Kiinteistö Oy Kaijonkaleva CVR 0709593-8 | OtherDeputy auditor | 2021 – 2023 | — | Active |
| Palvelukoti Metsärinne Oy CVR 0711287-3 | OtherAudit | 2018 – 2019 | — | Dissolved |
| E. Helaakoski Oy CVR 0720577-0 | OtherAudit | 2012 – 2023 | — | Active |
| Netox Oy CVR 0721360-7 | OtherAudit | 2010 – 2023 | — | Active |
| Kiinteistö Oy Nokiankangas Muhos CVR 0731208-2 | OtherAudit | 2015 – 2023 | — | Active |
| Asunto Oy Oulun Kalevankulma CVR 0732843-9 | OtherAudit | 2021 – 2023 | — | Active |
| Asunto Oy Pahkatie 1-3 CVR 0753373-1 | OtherAudit | 2014 – 2021 | — | Active |
| Kiinteistö Oy Limingan Säästökeskus CVR 0753748-4 | OtherAudit | 2018 – 2023 | — | Active |
| Suolahden Palvelukoti Oy CVR 0767749-5 | OtherAudit | 2016 – 2019 | — | Dissolved |
| Kiinteistö Oy Lekatie 6 CVR 0768148-6 | OtherAudit | 2021 – 2023 | — | Active |
| Cor Group Oy CVR 0779374-4 | OtherAudit | 2014 – 2022 | — | Active |
| VMV-Yhtiö Oy CVR 0780943-5 | OtherAudit | 2015 – 2019 | — | Active |
| As. Oy Vihirannan Villihanhi, Oulunsalo CVR 0781202-8 | OtherAudit | 2011 – 2019 | — | Active |
| Coronaria Tietotaito Oy CVR 0781371-7 | OtherAudit | 2018 – 2022 | — | Dissolved |
| Kiinteistö Oy Raahen Keskipiste CVR 0781829-4 | OtherDeputy auditor | 2013 – 2020 | — | Active |
| Asunto Oy Oulun Pihkatie 14 CVR 0783217-6 | OtherAudit | 2014 – 2021 | — | Active |
| Hydnum Oy CVR 0783655-6 | OtherAudit | 2015 – 2023 | — | Active |
| Asunto Oy Oulun Svaaninrinne CVR 0789976-8 | OtherDeputy auditor | 1998 – 2022 | — | Active |
| Insinööritoimisto Teknoi Oy CVR 0795241-8 | OtherDeputy auditor | 2010 – 2019 | — | Active |
| Kiinteistö Oy Oulun Uusikatu 53 CVR 0807664-0 | OtherAudit | 2020 – 2023 | — | Active |
| Nallikari-Tennis Oy CVR 0811353-6 | OtherAudit | 2010 – 2022 | — | Active |
| Asunto Oy Rovaniemen Tikanhovi CVR 0825020-7 | OtherDeputy auditor | 2013 – 2026 | — | Active |
| J&J Lakkapää Oy CVR 0828682-4 | OtherAudit | 2008 – 2022 | — | Active |
| Eräsetti Oy CVR 0830604-7 | OtherAudit | 2022 – 2023 | — | Dissolved |
| Ylläs-Safarit Oy CVR 0833220-2 | OtherAudit | 2022 – 2023 | — | Dissolved |
| TLP Kuriirit Oy CVR 0834092-3 | OtherDeputy auditor | 2014 – 2023 | — | Active |
| Lapland Safaris West Oy CVR 0835885-9 | OtherAudit | 2022 – 2023 | — | Dissolved |
| Varona Capital Oy CVR 0845198-1 | OtherAudit | 2014 – 2023 | — | Active |
| Kiinteistö Oy Inarin Riekonlinna Chalets CVR 0846235-7 | OtherAudit | 2022 – 2023 | — | Active |
| Asunto Oy Rantahuvila CVR 0853245-8 | OtherDeputy auditor | 2012 – 2022 | — | Active |
| Toivolanranta Oy CVR 0859903-8 | OtherAudit | 2018 – 2019 | — | Dissolved |
| Asunto Oy Oulun Mahlatie 6 CVR 0860297-0 | OtherAudit | 2008 – 2021 | — | Active |
| Arctic Cleaning Oy CVR 0870822-2 | OtherDeputy auditor | 2016 – 2023 | — | Active |
| Kuljetusliike Eskola Oy CVR 0872848-5 | OtherAudit | 2023 – 2024 | — | Active |
| Kiinteistö Oy Kempeleen Kurikkatie 6 CVR 0873574-9 | OtherAudit | 2021 – 2023 | — | Active |
| Wetteri Yhtiöt Oy CVR 0877345-4 | OtherAudit | 2015 – 2023 | — | Active |
| Asunto Oy Oulun Kangaskontiokartano CVR 0879011-5 | OtherDeputy auditor | 2021 – 2023 | — | Active |
| Asunto Oy Rovaniemen Piisivalkeantie 11 - 13 CVR 0891880-1 | OtherDeputy auditor | 2014 – 2023 | — | Active |
| Lapland Safaris Group Oy CVR 0892158-4 | OtherAudit | 2022 – 2023 | — | Active |
| Asunto Oy Inarin Riekonselkä II CVR 0892692-4 | OtherAudit | 2022 – 2023 | — | Active |
| Finnkarelco Oy CVR 0897661-4 | OtherAudit | 2011 – 2023 | — | Active |
| Kiinteistö Oy Rukan Tuuli CVR 0902973-1 | OtherAudit | 2015 – 2020 | — | Active |
| Kiinteistö Oy Rääkkylän Huoltamo CVR 0913094-4 | OtherAudit | 2022 – 2023 | — | Active |
| Lapland Safaris North Oy CVR 0921234-1 | OtherAudit | 2022 – 2023 | — | Dissolved |
| Helijet Maintenance Oy CVR 0921261-6 | OtherAudit | 2022 – 2023 | — | Active |
| Keitele Group Oy CVR 0923019-5 | OtherAudit | 2017 – 2020 | — | Active |
| Kiinteistö Oy Syvärinlinna CVR 0923020-8 | OtherAudit | 2017 – 2021 | — | Active |
| Keitele Energy Oy CVR 0923025-9 | OtherAudit | 2017 – 2023 | — | Dissolved |
| Tili ja Laskenta Heikkinen Oy CVR 0923648-2 | OtherAudit | 2008 – 2020 | — | Active |
| Bon Jumpru Oy CVR 0932836-0 | OtherAudit | 2007 – 2023 | — | Active |
| Proventia Oy CVR 0961194-0 | OtherAudit | 2011 – 2021 | — | Active |
| Coronaria Terapeija Oy CVR 0961534-3 | OtherAudit | 2018 – 2022 | — | Active |
| Corame Oy CVR 0962202-5 | OtherAudit | 2014 – 2023 | — | Dissolved |
| Keitele Wood Products Oy CVR 0963767-3 | OtherAudit | 2017 – 2023 | — | Dissolved |
| Somas Safarit Oy CVR 0964503-2 | OtherAudit | 2022 – 2023 | — | Active |
| Top Greenet Oy CVR 0965656-7 | OtherAudit | 2018 – 2021 | — | Active |
| Asunto Oy Oulun Kaukola CVR 0966264-1 | OtherAudit | 2015 – 2022 | — | Active |
| Miilux Oy CVR 0976133-2 | OtherAudit | 2009 – 2023 | — | Active |
| Coronaria Petosen Fysioterapia Oy CVR 0976780-6 | OtherAudit | 2018 – 2023 | — | Dissolved |
| Oulun Kärpät Oy CVR 0983008-6 | OtherAudit | 2010 – 2023 | — | Active |
| As. Oy Rovaniemen Lehtikarinpuisto CVR 0983956-6 | OtherDeputy auditor | 2015 – 2024 | — | Active |
| Oy Snow Games Ltd CVR 0994844-7 | OtherAudit | 2022 – 2023 | — | Dissolved |
| Pohjois-Suomen Kuivaustekniikka Oy CVR 1005424-8 | OtherAudit | 2021 – 2023 | — | Active |
| Specim, Spectral Imaging Oy Ltd CVR 1007923-4 | OtherAudit | 2017 – 2021 | — | Active |
| Tietotalo Infocenter Oy CVR 1008465-8 | OtherAudit | 2009 – 2023 | — | Active |
| Kiinteistö Oy Oulun Ratsastusurheilukeskus CVR 1009650-1 | OtherAudit | 2016 – 2023 | — | Active |
| Lounatuulikoti Oy CVR 1013647-0 | OtherAudit | 2016 – 2019 | — | Dissolved |
| Touhula Hymy Oy CVR 1014205-3 | OtherAudit | 2015 – 2019 | — | Active |
| Pohjolan Rakennustaito Oy CVR 1015137-1 | OtherAudit | 2018 – 2024 | — | Active |
| Majalis Oy CVR 1015528-4 | OtherAudit | 2015 – 2024 | — | Active |
| Kiinteistö Oy Pärjä CVR 1016752-5 | OtherAudit | 2009 – 2019 | — | Active |
| PetBiomics Oy CVR 1017592-0 | OtherAudit | 2012 – 2023 | — | Active |
| Kiinteistö Oy Normek Oulu CVR 1029287-9 | OtherDeputy auditor | 2021 – 2023 | — | Active |
| Mirion Technologies (Selmic) Oy CVR 1029840-2 | OtherAudit | 2008 – 2019 | — | Active |
| Oy SteelDone Group Ltd CVR 1051703-8 | OtherAudit | 2011 – 2020 | — | Active |
| Organic Unicorn Oy CVR 1052197-7 | OtherDeputy auditor | 2015 – 2022 | — | Active |
| Thermo Transit Finland Oy CVR 1058705-2 | OtherAudit | 2009 – 2023 | — | Active |
| Humana Mielenterveys- ja päihdepalvelut Oy CVR 1064768-4 | OtherAudit | 2018 – 2019 | — | Active |
| Lapland Staff Oy CVR 1066424-9 | OtherAudit | 2022 – 2023 | — | Active |
| Asunto Oy Oulun Toukolankulma CVR 1067716-2 | OtherAudit | 2008 – 2020 | — | Active |
| Fourmen Finland Oy CVR 1069907-0 | OtherAudit | 2007 – 2023 | — | Active |
| Humana Vammaispalvelut Oy CVR 1072328-8 | OtherAudit | 2015 – 2019 | — | Active |
| WM Invest Oy CVR 1082642-0 | OtherAudit | 2021 – 2023 | — | Dissolved |
| Asunto Oy Oulun Venevalkama CVR 1083142-2 | OtherAudit | 2014 – 2021 | — | Active |
| Marjavasu Oy CVR 1087550-5 | OtherAudit | 2022 – 2023 | — | Dissolved |
| Vivante Oy CVR 1092297-3 | OtherAudit | 2015 – 2019 | — | Active |
| Kiinteistö Oy Kuusamon Plantinginrinne CVR 1093001-7 | OtherAudit | 2015 – 2020 | — | Active |
| Laser-Porus Oy CVR 1101689-2 | OtherAudit | 2008 – 2023 | — | Dissolved |
| Lapland Husky Safaris Oy CVR 1102478-8 | OtherAudit | 2022 – 2023 | — | Active |
| Rakennus MiiRA Oy CVR 1106411-4 | OtherDeputy auditor | 2020 – 2023 | — | Active |
| Coronaria Frontaali Oy CVR 1437685-0 | OtherAudit | 2017 – 2023 | — | Active |
| Kiinteistö Oy Oulun Hallituskatu 21 CVR 1453781-0 | OtherDeputy auditor | 2007 – 2019 | — | Active |
| As Oy Oulunsalon Vihiluodonpuisto CVR 1456449-9 | OtherDeputy auditor | 2003 – 2023 | — | Active |
| Kiinteistö Oy Oulun Kirkkokatu 5 CVR 1465241-3 | OtherDeputy auditor | 2012 – 2023 | — | Active |
| Pinja Solutions Oy CVR 1465258-7 | OtherAudit | 2013 – 2020 | — | Dissolved |
| Kuljetustilaukset AJ Oy CVR 1472338-1 | OtherAudit | 2019 – 2023 | — | Active |
| Oulun Aaria Kodit Oy CVR 1472521-3 | OtherAudit | 2013 – 2023 | — | Active |
| Cool Invest Oy CVR 1476106-2 | OtherAudit | 2008 – 2019 | — | Active |
| Joterplan Oy CVR 1482883-7 | OtherAudit | 2016 – 2019 | — | Dissolved |
| Kivimäen Kiinteistöhallinta Oy CVR 1483896-3 | OtherAudit | 2015 – 2019 | — | Dissolved |
| KL Mechanics Oy CVR 1484208-1 | OtherAudit | 2020 – 2023 | — | Active |
| Silmäasema Sairaala Oy CVR 1493378-4 | OtherAudit | 2017 – 2022 | — | Active |
| Bluelec Oy CVR 1493513-0 | OtherAudit | 2010 – 2023 | — | Active |
| Asunto Oy Oulun Aleksanterinhovi CVR 1496268-1 | OtherDeputy auditor | 2005 – 2020 | — | Active |
| As Oy Oulun Kastellintie 11 CVR 1497584-5 | OtherDeputy auditor | 2006 – 2023 | — | Active |
| Asunto Oy Limingan Vanha Tammi CVR 1503462-5 | OtherAudit | 2009 – 2021 | — | Active |
| Hotelli Luostotunturi Oy CVR 1515200-7 | OtherAudit | 2022 – 2023 | — | Active |
| Asunto Oy Oulun Merivaahtera CVR 1522264-2 | OtherDeputy auditor | 2012 – 2019 | — | Active |
| Kinland V B4 KOy CVR 1522747-8 | OtherAudit | 2018 – 2021 | — | Active |
| JOT Automation Oy CVR 1526304-9 | OtherAudit | 2009 – 2023 | — | Active |
| Invertum Oy CVR 1528178-1 | OtherAudit | 2018 – 2020 | — | Active |
| Asunto Oy Kempeleen Kokkometso CVR 1538552-1 | OtherAudit | 2009 – 2023 | — | Active |
| Kyrönmaakoti Oy CVR 1538708-4 | OtherAudit | 2018 – 2019 | — | Dissolved |
| Finnature Oy Ltd CVR 1538984-8 | OtherDeputy auditor | 2017 – 2024 | — | Active |
| Asunto Oy Oulun Kyytitie 21 CVR 1543392-5 | OtherDeputy auditor | 2010 – 2023 | — | Active |
| Ruskon Metalli- ja kuljetus Oy CVR 1547706-3 | OtherDeputy auditor | 2009 – 2019 | — | Active |
| As Oy Oulun Jyrkisentie 2 CVR 1556782-7 | OtherDeputy auditor | 1999 – 2026 | — | Active |
| Asunto Oy Oulun Valjakkopuisto CVR 1559267-8 | OtherAudit | 2008 – 2021 | — | Active |
| Asunto Oy Oulun Viirusilmä CVR 1575210-9 | OtherAudit | 2018 – 2022 | — | Active |
| Oulun Viihdepalvelu Oy CVR 1575829-5 | OtherAudit | 2000 – 2023 | — | Active |
| Triteli Oy CVR 1576723-9 | OtherAudit | 2020 – 2020 | — | Active |
| Heliflite Oy CVR 1578318-3 | OtherAudit | 2022 – 2023 | — | Active |
| Vehkakoti Oy CVR 1591616-9 | OtherAudit | 2015 – 2019 | — | Dissolved |
| Optikko Kirkassilmä Oy CVR 1593353-2 | OtherAudit | 2022 – 2022 | — | Dissolved |
| Asunto Oy Rovaniemen Hiihtäjänpuistikko CVR 1597236-3 | OtherAudit | 2008 – 2021 | — | Active |
| Asunto Oy Oulun Valkovuokko CVR 1599716-5 | OtherAudit | 2008 – 2020 | — | Active |
| As Oy Oulun Mäntyrinne 14 CVR 1601710-6 | OtherDeputy auditor | 2000 – 2025 | — | Active |
| Gauffin Group Oy CVR 1609896-2 | OtherAudit | 2009 – 2023 | — | Dissolved |
| Proventia Group Oyj CVR 1612236-0 | OtherAudit | 2011 – 2021 | — | Active |
| Coronaria Savonlinnan Fysiokulma Oy CVR 1616350-9 | OtherAudit | 2019 – 2023 | — | Dissolved |
| Kiinteistö Oy Vaaranhuippu CVR 1625897-0 | OtherAudit | 2022 – 2023 | — | Active |
| Paineilmapalvelu Taito Ullakko Oy CVR 1634303-2 | OtherAudit | 2008 – 2023 | — | Active |
| Inmet Finland Oy CVR 1635992-3 | OtherAudit | 2019 – 2023 | — | Active |
| Wetteri Power Oy CVR 1640251-4 | OtherAudit | 2015 – 2026 | — | Active |
| Eu Steinbau Oy CVR 1640799-9 | OtherDeputy auditor | 2011 – 2023 | — | Active |
| Head Corporate Advisor Oy CVR 1648608-4 | OtherAudit | 2015 – 2020 | — | Active |
| Silmäasema Sairaala Oy CVR 1654111-9 | OtherAudit | 2020 – 2023 | — | Dissolved |
| Svorza Oy CVR 1655342-7 | OtherAudit | 2020 – 2023 | — | Active |
| Wisetime Oy CVR 1702832-5 | OtherAudit | 2015 – 2020 | — | Active |
| Asunto Oy Oulunsalon Takarannantie 6 CVR 1702833-3 | OtherAudit | 2008 – 2023 | — | Active |
| M-Technology Oy CVR 1704935-3 | OtherAudit | 2001 – 2024 | — | Active |
| Kiinteistö Oy UK-Pallas CVR 1706155-5 | OtherAudit | 2020 – 2024 | — | Active |
| Kiinteistö Oy Hotelli Kilpis CVR 1706207-2 | OtherAudit | 2022 – 2023 | — | Active |
| Kiinteistö Oy Hotelli Hetta CVR 1706208-0 | OtherAudit | 2022 – 2023 | — | Active |
| Kiinteistö Oy Kilpisranta CVR 1706210-1 | OtherAudit | 2022 – 2023 | — | Active |
| Oulu Ventures Oy CVR 1707850-9 | OtherAudit | 2016 – 2023 | — | Active |
| Kiinteistö Oy Napapiirin Kartano CVR 1709558-7 | OtherAudit | 2022 – 2023 | — | Active |
| Sokeri-Jussin Kievari Oy CVR 1710164-1 | OtherAudit | 2015 – 2019 | — | Active |
| Woodcomp Oy CVR 1710369-8 | OtherAudit | 2015 – 2022 | — | Active |
| Pyhäsalmi Mine Oy CVR 1712341-0 | OtherAudit | 2019 – 2023 | — | Active |
| Suomen Oikia Oy CVR 1732469-3 | OtherAudit | 2017 – 2023 | — | Active |
| Alte Invest Oy CVR 1743828-7 | OtherAudit | 2021 – 2023 | — | Active |
| Asunto Oy Kempeleen Kiripuisto CVR 1746501-5 | OtherAudit | 2009 – 2023 | — | Active |
| Asunto Oy Kempeleen Ykköspesä CVR 1746505-8 | OtherAudit | 2016 – 2022 | — | Active |
| Coronaria Oy CVR 1752598-9 | OtherAudit | 2014 – 2022 | — | Active |
| Mediracer Oy CVR 1769016-7 | OtherAudit | 2012 – 2023 | — | Active |
| Anna ja Aatu Oy CVR 1771445-6 | OtherAudit | 2018 – 2019 | — | Active |
| Tekne Kiinteistöt Oy CVR 1777496-9 | OtherDeputy auditor | 2007 – 2025 | — | Active |
| Kiinteistöosakeyhtiö Luoston Kelot CVR 1782643-1 | OtherAudit | 2022 – 2023 | — | Active |
| Coronaria Analyysipalvelut Oy CVR 1789425-8 | OtherAudit | 2017 – 2022 | — | Active |
| Wintertestcenter Service Oy CVR 1796834-1 | OtherAudit | 2022 – 2023 | — | Active |
| Northern Lights Investments Oy Ltd CVR 1800294-4 | OtherAudit | 2022 – 2023 | — | Active |
| Kiinteistö Oy Automaatiotie 1 CVR 1800607-2 | OtherAudit | 2021 – 2023 | — | Active |
| Coronaria Radiologipalvelu Oy CVR 1806567-0 | OtherAudit | 2014 – 2022 | — | Active |
| Touhula Virne Oy CVR 1808743-1 | OtherAudit | 2016 – 2019 | — | Active |
| Palvelukeskus Kaski Oy CVR 1816473-2 | OtherAudit | 2017 – 2019 | — | Dissolved |
| Coronaria Contextia Oy CVR 1824918-9 | OtherAudit | 2016 – 2022 | — | Active |
| Silmäasema Optiikka Oy CVR 1827711-2 | OtherAudit | 2020 – 2022 | — | Active |
| Wasaborgin Näkökeskus Oy CVR 1844100-7 | OtherAudit | 2021 – 2022 | — | Dissolved |
| Asunto Oy Oulun Hirsiraitti CVR 1859853-0 | OtherDeputy auditor | 2020 – 2023 | — | Active |
| Vetrea Terveys Oy CVR 1860871-9 | OtherAudit | 2021 – 2022 | — | Active |
| Kimmo Sorjonen Oy CVR 1861595-1 | OtherAudit | 2007 – 2025 | — | Active |
| Wintertestcenter Oy CVR 1865125-8 | OtherAudit | 2022 – 2023 | — | Active |
| Neuron Oy CVR 1866148-0 | OtherAudit | 2021 – 2022 | — | Active |
| Polar Events Oy CVR 1866246-7 | OtherAudit | 2022 – 2023 | — | Active |
| Ounasvaaran Pirtit Oy CVR 1866257-1 | OtherAudit | 2022 – 2023 | — | Active |
| Kauppi Export Oy CVR 1870764-5 | OtherDeputy auditor | 2010 – 2023 | — | Active |
| Asunto Oy Oulun Kaakkurinhuuto CVR 1873106-3 | OtherAudit | 2020 – 2024 | — | Active |
| Coronaria Optical Oy CVR 1876802-6 | OtherAudit | 2014 – 2023 | — | Dissolved |
| Karttusenranta Oy CVR 1877402-0 | OtherAudit | 2018 – 2019 | — | Dissolved |
| Puumesta Oy CVR 1881073-0 | OtherAudit | 2021 – 2023 | — | Active |
| Roivet Oy CVR 1881740-6 | OtherDeputy auditor | 2013 – 2022 | — | Active |
| Asunto Oy Oulun Reimari CVR 1895146-1 | OtherAudit | 2016 – 2020 | — | Active |
| K-Capital Oy CVR 1896653-2 | OtherAudit | 2014 – 2021 | — | Active |
| F. Ala-Aho Oy CVR 1897862-1 | OtherAudit | 2016 – 2019 | — | Active |
| Lossu Oy CVR 1902339-2 | OtherAudit | 2022 – 2023 | — | Active |
| Kodda Oy CVR 1902340-5 | OtherAudit | 2022 – 2023 | — | Active |
| Kobma Oy CVR 1902342-1 | OtherAudit | 2022 – 2023 | — | Active |
| Tuppuhli Oy CVR 1902344-8 | OtherAudit | 2022 – 2023 | — | Active |
| Villa Marin Hoitopalvelut Oy CVR 1903887-7 | OtherAudit | 2018 – 2019 | — | Active |
| Kiinteistö Oy Kiimingin Liiketalo 2 CVR 1910771-3 | OtherAudit | 2021 – 2023 | — | Active |
| MEVita Oy CVR 1918590-6 | OtherAudit | 2015 – 2023 | — | Active |
| Northern Star Estates Oy Ltd CVR 1920011-7 | OtherAudit | 2022 – 2023 | — | Dissolved |
| Lapaluodon Puu Oy CVR 1925581-2 | OtherAudit | 2021 – 2022 | — | Dissolved |
| Asylum Oy CVR 1927327-9 | OtherAudit | 2011 – 2023 | — | Active |
| Coronaria RehaFit Oy CVR 1935287-4 | OtherAudit | 2019 – 2023 | — | Dissolved |
| Asunto Oy Oulun Etu-Värttö CVR 1939205-9 | OtherAudit | 2009 – 2021 | — | Active |
| Suomen Paikallinen Mainostoimisto -verkosto Oy CVR 1945866-0 | OtherDeputy auditor | 2013 – 2023 | — | Active |
| Nivalan Tehdassijoitus Oy CVR 1959327-2 | OtherAudit | 2016 – 2023 | — | Active |
| Hyllykallion Silmäasema Oy CVR 1959332-8 | OtherAudit | 2021 – 2023 | — | Dissolved |
| Cuuma Communications Oy CVR 1968505-4 | OtherAudit | 2011 – 2023 | — | Active |
| Ounasvaaran Hiihtokeskus Oy CVR 1970691-9 | OtherAudit | 2022 – 2023 | — | Active |
| Kiinteistö Oy Luoston Tuotto 1 CVR 1980232-9 | OtherAudit | 2022 – 2023 | — | Active |
| Medigo Oy CVR 1985272-1 | OtherAudit | 2022 – 2023 | — | Active |
| Porituuli Oy CVR 1987636-0 | OtherAudit | 2012 – 2020 | — | Dissolved |
| Rajaville Oy CVR 2004847-4 | OtherAudit | 2017 – 2021 | — | Dissolved |
| Picodeon Ltd Oy CVR 2007808-3 | OtherAudit | 2013 – 2023 | — | Active |
| Medifamilia Oy CVR 2008940-1 | OtherAudit | 2016 – 2022 | — | Dissolved |
| Veitikanharju Oy CVR 2011352-0 | OtherAudit | 2015 – 2019 | — | Dissolved |
| Kiinteistö Oy Oulun Haaransuontie 11 CVR 2018455-6 | OtherDeputy auditor | 2015 – 2023 | — | Active |
| Professio Group Oy CVR 2020719-9 | OtherAudit | 2014 – 2022 | — | Active |
| Petri Kokko Oy CVR 2021130-7 | OtherAudit | 2013 – 2023 | — | Active |
| Sähäkkä Oy CVR 2022074-8 | OtherAudit | 2018 – 2019 | — | Dissolved |
| As Oy Oulun Mesaanitie 14 CVR 2022289-0 | OtherAudit | 2013 – 2022 | — | Active |
| SIJOITUS KAPTEENI OY CVR 2022488-8 | OtherAudit | 2010 – 2023 | — | Active |
| Sotkamo Silver Oy CVR 2029706-7 | OtherAudit | 2012 – 2023 | — | Active |
| Maustaja Oy CVR 2031955-3 | OtherAudit | 2022 – 2023 | — | Active |
| Coronaria Kirurgia Oy CVR 2036139-9 | OtherAudit | 2014 – 2023 | — | Dissolved |
| Touhula Riemu Oy CVR 2036747-5 | OtherAudit | 2017 – 2019 | — | Active |
| Lapland Hotels & Safaris Services Oy CVR 2041198-2 | OtherAudit | 2022 – 2023 | — | Active |
| Asunto Oy Oulun Kaakkurinkoti CVR 2043088-4 | OtherAudit | 2018 – 2024 | — | Active |
| Lapland Management Oy CVR 2043922-1 | OtherAudit | 2022 – 2023 | — | Active |
| Oulun Kuivaustekniikka Oy CVR 2045666-2 | OtherAudit | 2020 – 2023 | — | Active |
| Arctic Reindeer Oy CVR 2046747-6 | OtherAudit | 2022 – 2023 | — | Active |
| Hammaslaboratorio Oulun Hammaspaja Oy CVR 2057056-1 | OtherDeputy auditor | 2017 – 2023 | — | Active |
| Asunto Oy Rovaniemen Kotiharju CVR 2057637-3 | OtherAudit | 2014 – 2021 | — | Active |
| Kiinteistö Oy Savutoppila CVR 2062894-6 | OtherAudit | 2014 – 2022 | — | Active |
| As Oy Oulun Metsälauhantie 3 CVR 2065403-6 | OtherAudit | 2018 – 2020 | — | Active |
| Coronaria FysioJärvenpää Oy CVR 2075269-9 | OtherAudit | 2020 – 2023 | — | Dissolved |
| Kiinteistö Oy SprinGo CVR 2078103-5 | OtherAudit | 2015 – 2020 | — | Active |
| Kiinteistö Oy Myymälänelikko CVR 2078818-1 | OtherDeputy auditor | 2022 – 2023 | — | Dissolved |
| Alcemed Group Oy CVR 2078940-8 | OtherDeputy auditor | 2015 – 2023 | — | Active |
| Hoivakymppi Oy CVR 2079664-0 | OtherAudit | 2021 – 2022 | — | Active |
| Saletti Oy CVR 2087187-4 | OtherAudit | 2018 – 2020 | — | Active |
| Botnia 24 h Oy CVR 2091344-8 | OtherAudit | 2017 – 2019 | — | Dissolved |
| Asunto-osakeyhtiö Rovaniemen Rovala 3 CVR 2091493-4 | OtherAudit | 2022 – 2023 | — | Active |
| Abinit Oy CVR 2099139-0 | OtherAudit | 2015 – 2023 | — | Active |
| Pohjolan Peruna Oy CVR 2101104-0 | OtherAudit | 2020 – 2023 | — | Active |
| Feelia Oy CVR 2113001-5 | OtherAudit | 2014 – 2026 | — | Active |
| Cajanuksentienkoti Oy CVR 2114734-3 | OtherAudit | 2015 – 2019 | — | Active |
| Asunto Oy Oulun Tähtitarha CVR 2116376-5 | OtherAudit | 2016 – 2020 | — | Active |
| Kiinteistö Oy Oulun Autovoima CVR 2118020-7 | OtherAudit | 2018 – 2023 | — | Dissolved |
| JK-Decorest Oy CVR 2119788-5 | OtherDeputy auditor | 2007 – 2025 | — | Active |
| Samira Group Oy CVR 2121667-9 | OtherAudit | 2008 – 2022 | — | Active |
| Silmäasema Julkiset Silmäterveyspalvelut Oy CVR 2125483-5 | OtherAudit | 2014 – 2022 | — | Active |
| Miilupipe Oy CVR 2126166-4 | OtherAudit | 2013 – 2023 | — | Active |
| Pekapi 1 Oy CVR 2128286-0 | OtherAudit | 2015 – 2023 | — | Active |
| Wilhelmiinakoti Oy CVR 2130102-1 | OtherAudit | 2018 – 2019 | — | Active |
| Iltatuulikoti Oy CVR 2141642-7 | OtherAudit | 2017 – 2019 | — | Active |
| Norrhydro Group Oyj CVR 2144656-2 | OtherAudit | 2018 – 2023 | — | Active |
| Lehtonen Trucks Oy CVR 2148819-9 | OtherAudit | 2019 – 2023 | — | Dissolved |
| Kuljetusliike Ilmari Lehtonen Oy CVR 2148820-1 | OtherAudit | 2019 – 2023 | — | Active |
| Arinan Kiinteistöt Oy CVR 2156810-5 | OtherAudit | 2011 – 2023 | — | Dissolved |
| KL-Company Oy CVR 2160805-8 | OtherAudit | 2007 – 2021 | — | Active |
| Global Boiler Works Oy CVR 2170629-9 | OtherDeputy auditor | 2013 – 2023 | — | Active |
| Sensapex Oy CVR 2188423-9 | OtherAudit | 2009 – 2022 | — | Active |
| Defia Oy CVR 2193140-2 | OtherAudit | 2009 – 2024 | — | Active |
| Ylläs-Ski Oy CVR 2199743-6 | OtherAudit | 2022 – 2023 | — | Active |
| Lapland Hotels Lappi Oy CVR 2199747-9 | OtherAudit | 2022 – 2023 | — | Active |
| Northern Engineering Oy CVR 2200908-1 | OtherAudit | 2022 – 2023 | — | Active |
| Pirtakoti Oy CVR 2203782-4 | OtherAudit | 2016 – 2019 | — | Active |
| Mirion Technologies (Cermot) Oy CVR 2205791-3 | OtherAudit | 2008 – 2019 | — | Dissolved |
| Jouko Viinikanoja Holding Oy CVR 2205960-1 | OtherAudit | 2008 – 2023 | — | Active |
| Coronaria Hammasklinikka Oy CVR 2207193-4 | OtherAudit | 2014 – 2022 | — | Active |
| Kiinteistö Oy Raksilan Tekojääkentän Katsomo CVR 2212928-6 | OtherAudit | 2010 – 2023 | — | Active |
| Beofood Oy CVR 2217105-4 | OtherAudit | 2020 – 2023 | — | Dissolved |
| Digifundus Oy CVR 2219705-1 | OtherDeputy auditor | 2013 – 2023 | — | Active |
| FINGU Electronic Technology Oy CVR 2220383-7 | OtherAudit | 2008 – 2023 | — | Active |
| Kiinteistö Oy Runoilevi I CVR 2229636-7 | OtherDeputy auditor | 2013 – 2023 | — | Active |
| Kiinteistö Oy Satuilevi II CVR 2229642-0 | OtherAudit | 2008 – 2021 | — | Active |
| Kiinteistö Oy Satuilevi I CVR 2229646-3 | OtherAudit | 2008 – 2023 | — | Active |
| Stoka Oy CVR 2233644-5 | OtherAudit | 2008 – 2024 | — | Active |
| Valtavalo Oy CVR 2239453-0 | OtherAudit | 2015 – 2023 | — | Active |
| North European Invest Oy CVR 2253560-4 | OtherAudit | 2022 – 2023 | — | Active |
| Kiinteistö Oy Hotelli Olos CVR 2253562-0 | OtherAudit | 2022 – 2023 | — | Active |
| Kiinteistö Oy Hotelli Pallas CVR 2253564-7 | OtherAudit | 2022 – 2023 | — | Active |
| Kiinteistö Oy Hotelli Äkäs CVR 2253565-5 | OtherAudit | 2022 – 2023 | — | Active |
| Kiinteistö Oy Hotelli Kaltio CVR 2253569-8 | OtherAudit | 2022 – 2023 | — | Active |
| Kiinteistö Oy Hotelli Sirkantähti CVR 2253571-9 | OtherAudit | 2022 – 2023 | — | Active |
| Kiinteistö Oy Sky Ounasvaara CVR 2253574-3 | OtherAudit | 2022 – 2023 | — | Active |
| Kiinteistö Oy Hotelli Oloksen huoneistot CVR 2253575-1 | OtherAudit | 2022 – 2023 | — | Active |
| Kiinteistö Oy Tähtipuisto CVR 2253580-7 | OtherAudit | 2022 – 2023 | — | Active |
| Asunto Oy Oulun Keisarinkruunu CVR 2262431-6 | OtherAudit | 2018 – 2024 | — | Active |
| PM-Legacy Oy CVR 2264665-4 | OtherAudit | 2009 – 2023 | — | Active |
| 9Solutions Oy CVR 2269554-4 | OtherAudit | 2015 – 2023 | — | Active |
| Coronaria FysioHetki Oy CVR 2273498-8 | OtherAudit | 2019 – 2023 | — | Dissolved |
| DirectNu Energy Oy CVR 2281989-3 | OtherAudit | 2009 – 2023 | — | Dissolved |
| Kristallihovi Oy CVR 2288773-0 | OtherAudit | 2018 – 2019 | — | Dissolved |
| Kymsol Oy CVR 2292941-9 | OtherAudit | 2009 – 2020 | — | Active |
| Ravintolayhtiö Säkenöivä Voima Oy CVR 2293664-3 | OtherAudit | 2009 – 2023 | — | Active |
| Cardu Global Oy CVR 2303055-2 | OtherAudit | 2011 – 2021 | — | Active |
| Handshake Finland Oy CVR 2304112-0 | OtherAudit | 2018 – 2023 | — | Active |
| Greenled Oy CVR 2311958-1 | OtherAudit | 2010 – 2023 | — | Active |
| Niplan Oy CVR 2317088-9 | OtherAudit | 2010 – 2023 | — | Active |
| Kiinteistö Oy SkiStar Levi CVR 2318029-4 | OtherAudit | 2010 – 2021 | — | Active |
| Oulunsalon ranta Oy CVR 2319271-1 | OtherDeputy auditor | 2010 – 2023 | — | Active |
| Lapland Safaris Oy CVR 2320997-4 | OtherAudit | 2022 – 2023 | — | Active |
| Touhula Leikki Oy CVR 2334458-6 | OtherAudit | 2014 – 2019 | — | Active |
| Jahorak Oy CVR 2344367-2 | OtherDeputy auditor | 2010 – 2023 | — | Active |
| Ginolis Oy CVR 2344452-8 | OtherAudit | 2020 – 2021 | — | Active |
| Coronaria Uniklinikka Oy CVR 2346039-2 | OtherAudit | 2018 – 2022 | — | Dissolved |
| Ravintola Uuden Seurahuoneen Hugo Oy CVR 2352067-4 | OtherAudit | 2015 – 2020 | — | Active |
| LP Lakkapää Oy CVR 2356248-7 | OtherAudit | 2010 – 2022 | — | Active |
| Koma Oy CVR 2370551-3 | OtherAudit | 2010 – 2023 | — | Active |
| IPReye Global Oy CVR 2371592-2 | OtherAudit | 2016 – 2023 | — | Active |
| Plus Verkkokaupat Oy CVR 2373243-1 | OtherAudit | 2010 – 2023 | — | Active |
| Walkko Oy CVR 2374117-8 | OtherDeputy auditor | 2010 – 2023 | — | Active |
| Kuoppaharju Oy CVR 2374176-8 | OtherDeputy auditor | 2010 – 2023 | — | Active |
| PK-TECH OY CVR 2374178-4 | OtherDeputy auditor | 2010 – 2023 | — | Active |
| Solenmie Oy CVR 2374179-2 | OtherDeputy auditor | 2010 – 2022 | — | Active |
| Kiinteistö Oy Tervahovin Siilo 4 CVR 2374254-1 | OtherDeputy auditor | 2011 – 2023 | — | Active |
| Kiinteistö Oy Tervahovin K21 CVR 2374261-3 | OtherDeputy auditor | 2011 – 2022 | — | Dissolved |
| Kiinteistö Oy Tervahovin Möljä 1 CVR 2374262-1 | OtherDeputy auditor | 2011 – 2023 | — | Active |
| Kiinteistö Oy Tervahovin Möljä 2 CVR 2374265-6 | OtherDeputy auditor | 2011 – 2023 | — | Active |
| Kiinteistö Oy Tervahovin Möljä 3 CVR 2374268-0 | OtherDeputy auditor | 2011 – 2023 | — | Active |
| Kiinteistö Oy Tervahovin Möljä 4 CVR 2374269-9 | OtherDeputy auditor | 2011 – 2023 | — | Active |
| Kiinteistö Oy Tervahovin Möljä 5 CVR 2374270-1 | OtherDeputy auditor | 2011 – 2023 | — | Active |
| Kiinteistö Oy Tervahovin Möljä 6 CVR 2374272-8 | OtherDeputy auditor | 2011 – 2023 | — | Active |
| Kiinteistö Oy Tervahovin Möljä 7 CVR 2374273-6 | OtherDeputy auditor | 2011 – 2023 | — | Active |
| Colleqium Oy CVR 2379293-6 | OtherDeputy auditor | 2011 – 2023 | — | Active |
| Sievitalo Oy CVR 2382003-6 | OtherAudit | 2020 – 2023 | — | Active |
| Korsu Ovet Oy CVR 2383187-8 | OtherAudit | 2016 – 2023 | — | Active |
| Ferrovan Oy CVR 2383887-7 | OtherAudit | 2018 – 2023 | — | Dissolved |
| Lakeuden Pojat Oy CVR 2387295-2 | OtherAudit | 2018 – 2019 | — | Dissolved |
| CLC Holdings Oy CVR 2389092-3 | OtherAudit | 2019 – 2023 | — | Active |
| Peki-Invest Oy CVR 2391819-9 | OtherAudit | 2011 – 2023 | — | Active |
| Greene Finland Oy CVR 2393969-4 | OtherAudit | 2017 – 2022 | — | Dissolved |
| Midas Equities Oy CVR 2394298-1 | OtherDeputy auditor | 2020 – 2023 | — | Active |
| Osarata Oy CVR 2395449-9 | OtherAudit | 2011 – 2023 | — | Active |
| Humana Kettu Oy CVR 2397006-9 | OtherAudit | 2018 – 2019 | — | Dissolved |
| Kiinteistö Oy Äkäslompolon Kaivohuone CVR 2397520-6 | OtherAudit | 2022 – 2023 | — | Active |
| Medieri Oy CVR 2397878-1 | OtherDeputy auditor | 2011 – 2019 | — | Active |
| Head Automation Oy CVR 2405647-1 | OtherAudit | 2017 – 2023 | — | Active |
| Junnujalmari Oy CVR 2405909-0 | OtherDeputy auditor | 2011 – 2023 | — | Active |
| Touhula Lysti Oy CVR 2406965-1 | OtherAudit | 2019 – 2019 | — | Dissolved |
| easyPartner Oy CVR 2409934-0 | OtherAudit | 2011 – 2023 | — | Active |
| Asunto Oy Oulun Myrskyluoto A CVR 2411809-7 | OtherAudit | 2011 – 2023 | — | Active |
| Asunto Oy Oulun Myrskyluoto B CVR 2411814-2 | OtherAudit | 2011 – 2023 | — | Active |
| Asunto Oy Oulun Myrskyluoto C CVR 2411820-6 | OtherAudit | 2011 – 2023 | — | Active |
| Asunto Oy Oulun Myrskyluoto D CVR 2411825-7 | OtherAudit | 2011 – 2023 | — | Active |
| Kiinteistö Oy Nilitaika II CVR 2419892-0 | OtherAudit | 2011 – 2023 | — | Dissolved |
| Sustera Green Building Oy CVR 2422434-0 | OtherAudit | 2017 – 2020 | — | Dissolved |
| Norwide Finland Oy CVR 2422565-0 | OtherAudit | 2011 – 2023 | — | Active |
| Flexo Nordic Oy CVR 2425646-5 | OtherAudit | 2014 – 2021 | — | Active |
| Woodcomp Modules Oy CVR 2431853-1 | OtherAudit | 2017 – 2022 | — | Active |
| Sacculus Oy CVR 2434328-6 | OtherDeputy auditor | 2011 – 2023 | — | Active |
| Kiinteistö Oy Maahisenrinne 1 CVR 2436423-9 | OtherAudit | 2011 – 2021 | — | Active |
| Kiinteistö Oy Velhotar 7 CVR 2436424-7 | OtherAudit | 2011 – 2023 | — | Active |
| Kiinteistö Oy Velhotar 8 CVR 2436425-5 | OtherAudit | 2011 – 2023 | — | Active |
| Kiinteistö Oy Velhotar 9 CVR 2436427-1 | OtherAudit | 2011 – 2023 | — | Active |
| Domisi Oy CVR 2436522-3 | OtherDeputy auditor | 2017 – 2023 | — | Active |
| Wild Motion Oy CVR 2436813-3 | OtherAudit | 2022 – 2023 | — | Dissolved |
| Kiinteistö Oy Ylläs Saaga kiinteistö 1 CVR 2441529-4 | OtherAudit | 2022 – 2023 | — | Active |
| Getra Oy CVR 2444431-9 | OtherAudit | 2012 – 2021 | — | Active |
| Kiinteistö Oy Taruilevi 9 CVR 2446281-6 | OtherAudit | 2012 – 2023 | — | Active |
| Kiinteistö Oy Taruilevi 11 CVR 2446282-4 | OtherAudit | 2012 – 2023 | — | Active |
| Kiinteistö Oy Taruilevi 5 CVR 2446289-1 | OtherAudit | 2012 – 2023 | — | Active |
| Kiinteistö Oy Taruilevi 7 CVR 2446291-2 | OtherAudit | 2012 – 2023 | — | Active |
| Kiinteistö Oy Sointuilevi 6 CVR 2446295-5 | OtherAudit | 2012 – 2021 | — | Active |
| Kiinteistö Oy Sointuilevi 8 CVR 2446301-8 | OtherAudit | 2012 – 2021 | — | Active |
| Kiinteistö Oy Sointuilevi 10 CVR 2446302-6 | OtherAudit | 2012 – 2021 | — | Active |
| Kiinteistö Oy Sointuilevi 7 CVR 2446305-0 | OtherAudit | 2012 – 2021 | — | Active |
| Kiinteistö Oy Sointuilevi 9 CVR 2446310-6 | OtherAudit | 2012 – 2021 | — | Active |
| Kiinteistö Oy Taruilevi 8 CVR 2446365-9 | OtherAudit | 2012 – 2019 | — | Active |
| Kiinteistö Oy Taruilevi 10 CVR 2446367-5 | OtherAudit | 2012 – 2021 | — | Active |
| KIINTEISTÖ OY LOIMUILEVI CVR 2446582-2 | OtherAudit | 2012 – 2023 | — | Active |
| Kiinteistö Oy Taruilevi 3 CVR 2446585-7 | OtherAudit | 2012 – 2023 | — | Active |
| RKC Construction Oy CVR 2447396-1 | OtherAudit | 2011 – 2023 | — | Active |
| Lapland Ski Resorts Oy CVR 2448061-9 | OtherAudit | 2022 – 2023 | — | Active |
| Merihovi Kiinteistöt Oy CVR 2450111-7 | OtherDeputy auditor | 2012 – 2023 | — | Active |
| Kiinteistö Oy Könkäänkartano CVR 2458667-5 | OtherDeputy auditor | 2012 – 2023 | — | Active |
| Kiinteistö Oy Levin Hullu Poro CVR 2458671-2 | OtherDeputy auditor | 2012 – 2023 | — | Active |
| Kiinteistö Oy Porokartano CVR 2458674-7 | OtherDeputy auditor | 2012 – 2023 | — | Active |
| Kiinteistö Oy Levin Areena CVR 2458676-3 | OtherDeputy auditor | 2012 – 2023 | — | Active |
| Seven Seasons Invest Oy CVR 2458681-9 | OtherDeputy auditor | 2012 – 2023 | — | Active |
| Kiinteistö Oy LC-Holding CVR 2458684-3 | OtherDeputy auditor | 2012 – 2023 | — | Active |
| Kiinteistö Oy Levin Casino Resort CVR 2460031-8 | OtherDeputy auditor | 2012 – 2023 | — | Active |
| Kiinteistö Oy Aino & Alvar CVR 2460034-2 | OtherDeputy auditor | 2012 – 2023 | — | Active |
| Kiinteistö Oy Röllimetsä CVR 2460035-0 | OtherDeputy auditor | 2012 – 2023 | — | Dissolved |
| Kiinteistö Oy Pyhäkangas CVR 2460036-9 | OtherDeputy auditor | 2012 – 2023 | — | Active |
| Kiinteistö Oy Kotkan Hoivatalo CVR 2460255-9 | OtherAudit | 2021 – 2022 | — | Dissolved |
| As Oy Oulun Otsonkuja 5 CVR 2463842-0 | OtherAudit | 2013 – 2019 | — | Active |
| Terveysteekki Oy CVR 2464092-6 | OtherDeputy auditor | 2012 – 2023 | — | Active |
| Kristallikartano Oy CVR 2469221-6 | OtherAudit | 2018 – 2019 | — | Active |
| Lapland Snowman Oy CVR 2473136-9 | OtherAudit | 2022 – 2023 | — | Active |
| Nastarakennus Oy CVR 2479309-2 | OtherAudit | 2015 – 2024 | — | Active |
| Agronic Oy CVR 2479928-3 | OtherAudit | 2018 – 2021 | — | Active |
| Lapland Proving Ground Oy CVR 2481988-9 | OtherAudit | 2022 – 2023 | — | Active |
| Tire Testing Lapland Oy CVR 2482004-6 | OtherAudit | 2022 – 2023 | — | Active |
| Indoor Testing Lapland Oy CVR 2482009-7 | OtherAudit | 2022 – 2023 | — | Active |
| ICE LAND EUROPE OY CVR 2482017-7 | OtherAudit | 2022 – 2023 | — | Active |
| Markkinointiviestintätoimisto Kuulu Oy CVR 2482209-2 | OtherAudit | 2020 – 2023 | — | Active |
| LaplandTours Oy CVR 2488901-9 | OtherAudit | 2022 – 2023 | — | Active |
| Creoir Oy CVR 2493442-2 | OtherAudit | 2012 – 2023 | — | Active |
| Rakennus-Hanka Oy CVR 2497673-7 | OtherAudit | 2016 – 2023 | — | Active |
| Raahen Lasi Oy CVR 2498655-6 | OtherAudit | 2013 – 2019 | — | Active |
| Posion Energia Oy CVR 2500790-3 | OtherAudit | 2018 – 2021 | — | Active |
| Kiinteistö Oy Nilitaika IB CVR 2500941-5 | OtherAudit | 2013 – 2023 | — | Active |
| Kiinteistö Oy Nilitaika IC CVR 2500947-4 | OtherAudit | 2013 – 2023 | — | Active |
| Kiinteistö Oy Nilitaika ID CVR 2500949-0 | OtherAudit | 2013 – 2023 | — | Active |
| Kiinteistö Oy Nilitaika V CVR 2503157-5 | OtherAudit | 2012 – 2023 | — | Active |
| Kiinteistö Oy SkiStar CVR 2503160-4 | OtherAudit | 2012 – 2019 | — | Active |
| Kiinteistö Oy Nilitaika IV CVR 2503162-0 | OtherAudit | 2012 – 2023 | — | Active |
| Augumenta Oy CVR 2506930-3 | OtherAudit | 2016 – 2019 | — | Active |
| Sähkö-Aulis Oy CVR 2509729-1 | OtherAudit | 2013 – 2022 | — | Active |
| Kiinteistö Oy Raahen Sorvari CVR 2509733-9 | OtherAudit | 2013 – 2023 | — | Active |
| Lampuset Oy CVR 2511536-5 | OtherAudit | 2012 – 2023 | — | Active |
| Coronaria Terameri Oy CVR 2512039-1 | OtherAudit | 2015 – 2022 | — | Active |
| As Oy Oulun Kuusirinne CVR 2514724-4 | OtherAudit | 2013 – 2020 | — | Active |
| Geo-Work Oy CVR 2518876-7 | OtherDeputy auditor | 2013 – 2019 | — | Active |
| Saraware Oy CVR 2520131-9 | OtherDeputy auditor | 2013 – 2023 | — | Active |
| Miilumachine Oy CVR 2527243-2 | OtherAudit | 2013 – 2023 | — | Active |
| Kotikatu 365 Oy CVR 2538041-7 | OtherAudit | 2014 – 2022 | — | Active |
| Gamelion Oy CVR 2538465-3 | OtherAudit | 2014 – 2023 | — | Active |
| Mectalent Medical Services Oy CVR 2538577-9 | OtherAudit | 2014 – 2023 | — | Dissolved |
| Sonic Force Oy CVR 2540804-5 | OtherAudit | 2015 – 2023 | — | Active |
| Koimi Oy CVR 2540920-8 | OtherDeputy auditor | 2013 – 2019 | — | Active |
| Coronaria Fysiopalvelu Kunto Kuopio Oy CVR 2543595-9 | OtherAudit | 2018 – 2023 | — | Active |
| Specula Oy CVR 2546291-4 | OtherDeputy auditor | 2013 – 2023 | — | Active |
| Autokorjaamo VP Niemi Oy CVR 2550414-1 | OtherDeputy auditor | 2013 – 2023 | — | Active |
| Touhula Onni Oy CVR 2554646-4 | OtherAudit | 2017 – 2019 | — | Active |
| Touhula Loru Oy CVR 2555622-4 | OtherAudit | 2017 – 2019 | — | Dissolved |
| Ilumoi Oy CVR 2555987-1 | OtherDeputy auditor | 2017 – 2021 | — | Active |
| Kymsol Oy CVR 2557079-8 | OtherAudit | 2015 – 2020 | — | Active |
| Lynsight Oy CVR 2558287-9 | OtherAudit | 2013 – 2023 | — | Active |
| Ceruus Oy CVR 2560688-5 | OtherAudit | 2014 – 2023 | — | Active |
| As Oy Oulun Ojavainiontie 4 CVR 2564505-9 | OtherDeputy auditor | 2020 – 2023 | — | Active |
| Ruona Oy CVR 2566578-9 | OtherAudit | 2013 – 2023 | — | Active |
| M-CAST STEEL FOUNDRY Oy CVR 2570121-7 | OtherAudit | 2013 – 2023 | — | Active |
| T J Jockis Oy CVR 2572579-6 | OtherAudit | 2021 – 2023 | — | Active |
| Pita Factory Oy CVR 2572842-8 | OtherAudit | 2021 – 2023 | — | Active |
| Kymppi Consulting Oy CVR 2574435-6 | OtherAudit | 2015 – 2020 | — | Dissolved |
| Coronaria Hammasklinikka Oulu Oy CVR 2587241-1 | OtherAudit | 2018 – 2022 | — | Dissolved |
| Touhula Huvi Oy CVR 2599906-8 | OtherAudit | 2018 – 2019 | — | Active |
| Michell Hotel & Spa Oy CVR 2608467-9 | OtherAudit | 2014 – 2023 | — | Active |
| Touhula Hassu Oy CVR 2610565-2 | OtherAudit | 2019 – 2019 | — | Active |
| Storvik & Co Oy CVR 2612788-6 | OtherDeputy auditor | 2017 – 2020 | — | Active |
| Silmäasema Oy CVR 2627773-7 | OtherAudit | 2020 – 2022 | — | Active |
| Gynesan Oy CVR 2636687-9 | OtherDeputy auditor | 2014 – 2023 | — | Active |
| Huikku Tuulivoima Oy CVR 2641051-8 | OtherAudit | 2018 – 2021 | — | Active |
| Nordic Semiconductor Finland Oy CVR 2651281-3 | OtherAudit | 2020 – 2023 | — | Active |
| Telente Oy CVR 2659813-5 | OtherAudit | 2014 – 2021 | — | Active |
| KI-Technology Oy CVR 2674466-5 | OtherAudit | 2015 – 2023 | — | Active |
| Nukute Oy CVR 2690606-2 | OtherAudit | 2015 – 2020 | — | Active |
| Coronaria Diagnostiikka Oy CVR 2694722-7 | OtherAudit | 2015 – 2022 | — | Active |
| Cardu Oy CVR 2696229-1 | OtherAudit | 2015 – 2020 | — | Active |
| VeAnEl Oy CVR 2697467-1 | OtherDeputy auditor | 2016 – 2023 | — | Active |
| Aurora DC Park Oy CVR 2699575-5 | OtherAudit | 2015 – 2023 | — | Active |
| Kiiruna Talot Oy CVR 2703627-3 | OtherAudit | 2015 – 2019 | — | Active |
| NH Norrdigi Oy CVR 2704187-3 | OtherAudit | 2018 – 2023 | — | Active |
| Polar Group Oy CVR 2704894-4 | OtherAudit | 2015 – 2023 | — | Active |
| Touhula Ilo Oy CVR 2704960-5 | OtherAudit | 2016 – 2019 | — | Active |
| Touhula Nauru Oy CVR 2704961-3 | OtherAudit | 2016 – 2019 | — | Active |
| Sponten Oy CVR 2709577-5 | OtherAudit | 2015 – 2023 | — | Active |
| Termis Oy CVR 2710045-8 | OtherAudit | 2022 – 2023 | — | Active |
| Gynelma Oy CVR 2719501-2 | OtherDeputy auditor | 2015 – 2020 | — | Active |
| Tongyu Technology Oy CVR 2732123-4 | OtherAudit | 2016 – 2023 | — | Active |
| As Oy Oulun Huurukoivu CVR 2736878-8 | OtherAudit | 2016 – 2019 | — | Active |
| As Oy Oulun Huurumänty CVR 2736881-7 | OtherAudit | 2016 – 2019 | — | Active |
| Pallas Rakennus Lappi Oy CVR 2738599-1 | OtherAudit | 2022 – 2023 | — | Active |
| Head Instruments Oy CVR 2750961-6 | OtherAudit | 2016 – 2021 | — | Active |
| Suomen VAKA-palvelut I Oy CVR 2753651-8 | OtherAudit | 2016 – 2020 | — | Active |
| Suomen VAKA-palvelut II Oy CVR 2753652-6 | OtherAudit | 2016 – 2019 | — | Active |
| Echo Marine Oy CVR 2758475-5 | OtherAudit | 2016 – 2020 | — | Active |
| Santa Claus Greeting Center Oy CVR 2767582-5 | OtherAudit | 2022 – 2023 | — | Dissolved |
| Vakaan Tuoton Sijoitusyhtiö Oy CVR 2767594-8 | OtherAudit | 2016 – 2023 | — | Active |
| Mainio Hoiva Oy CVR 2769452-4 | OtherAudit | 2016 – 2019 | — | Active |
| Coronaria Kuntoutuspalvelut Oy CVR 2770800-9 | OtherAudit | 2016 – 2022 | — | Active |
| Kokkelot Oy CVR 2771602-5 | OtherAudit | 2016 – 2023 | — | Active |
| Coronaria GE Oy CVR 2774875-6 | OtherAudit | 2016 – 2022 | — | Active |
| Kiinteistö Oy Oulun Sammakkotalo CVR 2776277-7 | OtherAudit | 2016 – 2023 | — | Dissolved |
| Kiinteistö Oy Vesala CVR 2778280-7 | OtherAudit | 2016 – 2023 | — | Active |
| Virta Advisory Oy CVR 2779868-1 | OtherAudit | 2016 – 2019 | — | Active |
| Kuntokeskus Liikku Oy CVR 2784989-9 | OtherAudit | 2016 – 2022 | — | Active |
| KL Invest Oy CVR 2787669-4 | OtherAudit | 2021 – 2023 | — | Active |
| Päiväkoti Lempi Oy CVR 2791126-9 | OtherAudit | 2018 – 2019 | — | Active |
| Lean Entries Oy CVR 2791881-5 | OtherAudit | 2021 – 2022 | — | Active |
| Silmälääkäripalvelut Kaisu Järvinen Oy CVR 2792915-1 | OtherAudit | 2020 – 2023 | — | Active |
| Normek Kiinteistöt Oy CVR 2801183-6 | OtherDeputy auditor | 2021 – 2023 | — | Active |
| Silmui Oy CVR 2801590-9 | OtherAudit | 2016 – 2022 | — | Active |
| Silmui Group Oy CVR 2801596-8 | OtherAudit | 2016 – 2023 | — | Active |
| Qstock Oy CVR 2811591-8 | OtherAudit | 2017 – 2023 | — | Active |
| Kiinteistö Oy ÄkäStar II CVR 2819143-5 | OtherAudit | 2017 – 2023 | — | Active |
| ÄkäsLand II Oy CVR 2819150-7 | OtherAudit | 2017 – 2023 | — | Dissolved |
| Kiinteistö Oy ÄkäStar I CVR 2819158-2 | OtherAudit | 2017 – 2023 | — | Active |
| ÄkäsLand I Oy CVR 2819163-8 | OtherAudit | 2017 – 2023 | — | Dissolved |
| Päiväkotikiinteistö Sodankylän Kirkko Oy CVR 2821970-9 | OtherAudit | 2017 – 2019 | — | Dissolved |
| Finlandia Holidays Oy CVR 2827770-6 | OtherAudit | 2017 – 2023 | — | Active |
| Palvelutalo Cor Mikkeli Oy CVR 2828304-9 | OtherAudit | 2017 – 2019 | — | Dissolved |
| Päiväkotikiinteistö Taasjärvi Sipoo Oy CVR 2828305-7 | OtherAudit | 2017 – 2019 | — | Dissolved |
| Päiväkotikiinteistö Kurkiaura Järvenpää Oy CVR 2829397-6 | OtherAudit | 2017 – 2019 | — | Dissolved |
| Päiväkotikiinteistö Haravakatu Joensuu Oy CVR 2829398-4 | OtherAudit | 2017 – 2019 | — | Dissolved |
| Kinland V A3 KOy CVR 2829399-2 | OtherAudit | 2017 – 2019 | — | Active |
| Kajomare Oy CVR 2831656-8 | OtherAudit | 2017 – 2023 | — | Active |
| KL Tools Oy CVR 2835385-2 | OtherAudit | 2020 – 2023 | — | Dissolved |
| Tuulenvirekoti Oy CVR 2836429-5 | OtherAudit | 2017 – 2019 | — | Dissolved |
| Labquality koulutus Oy CVR 2841581-4 | OtherAudit | 2020 – 2023 | — | Dissolved |
| Genoscoper Laboratories Oy CVR 2850663-6 | OtherAudit | 2017 – 2020 | — | Active |
| Keusik Oy CVR 2852759-2 | OtherAudit | 2017 – 2023 | — | Active |
| L&CO Oy CVR 2854039-1 | OtherAudit | 2017 – 2020 | — | Active |
| Hanka-Invest Oy CVR 2857831-4 | OtherAudit | 2017 – 2023 | — | Active |
| HERO Safety Oy CVR 2858741-3 | OtherAudit | 2020 – 2023 | — | Active |
| Kasvuvara Oy CVR 2862030-8 | OtherAudit | 2017 – 2023 | — | Active |
| Motiomax Oy CVR 2862690-2 | OtherAudit | 2021 – 2023 | — | Active |
| Keskinäinen Kiinteistö Oy Kausalan Heikintie 10 CVR 2865369-5 | OtherAudit | 2017 – 2021 | — | Dissolved |
| Kiinteistö Oy Rovaniemen Ratavartijankatu 2 CVR 2867917-4 | OtherAudit | 2021 – 2021 | — | Active |
| Asunto Oy Pursimiehenpiha 2, Oulu CVR 2868253-3 | OtherAudit | 2021 – 2023 | — | Active |
| Asunto Oy Pursimiehenpiha 1, Oulu CVR 2868254-1 | OtherAudit | 2021 – 2023 | — | Active |
| Lakkapää Import Oy CVR 2876375-5 | OtherAudit | 2018 – 2022 | — | Active |
| Kiinteistö Oy Tykkyrinne CVR 2877510-7 | OtherAudit | 2018 – 2023 | — | Active |
| As Oy Oulun Maakirjankulma CVR 2888604-2 | OtherAudit | 2018 – 2023 | — | Active |
| Keskinäinen Kiinteistö Oy Lahden Päiväkoti CVR 2889948-4 | OtherAudit | 2018 – 2020 | — | Dissolved |
| Kinland V B3 KOy CVR 2895064-9 | OtherAudit | 2018 – 2021 | — | Active |
| TMJ-Asunnot Oy CVR 2898586-8 | OtherAudit | 2019 – 2023 | — | Active |
| Sievi Tilat Oy CVR 2906024-2 | OtherAudit | 2020 – 2023 | — | Active |
| Piicap Oy CVR 2907323-8 | OtherAudit | 2018 – 2022 | — | Active |
| Coronaria Erikoissairaanhoito Oy CVR 2908909-6 | OtherAudit | 2018 – 2022 | — | Dissolved |
| Coronaria Hammaslääkärit Oy CVR 2908910-9 | OtherAudit | 2018 – 2022 | — | Active |
| Headheli Oy CVR 2915702-8 | OtherAudit | 2018 – 2020 | — | Active |
| As Oy Oulun Marssirummuntie 1 CVR 2916299-4 | OtherAudit | 2018 – 2023 | — | Active |
| Keskinäinen Kiinteistö Oy Huusharjunrinne Mikkeli CVR 2924415-6 | OtherAudit | 2018 – 2020 | — | Dissolved |
| Head Recycle Systems Oy CVR 2926840-6 | OtherAudit | 2018 – 2020 | — | Active |
| Conseptas Oy CVR 2932189-5 | OtherAudit | 2019 – 2022 | — | Dissolved |
| Lumille Oy CVR 2934518-4 | OtherAudit | 2018 – 2023 | — | Active |
| Coronaria Aino Oy CVR 2941128-4 | OtherAudit | 2018 – 2023 | — | Active |
| Koy Monitila Vantaa 1, Katriinantie 3 CVR 2941943-8 | OtherAudit | 2018 – 2021 | — | Active |
| Coronaria Spesialistit Oy CVR 2944496-7 | OtherAudit | 2018 – 2021 | — | Dissolved |
| Head Capital Oy CVR 2947620-5 | OtherAudit | 2018 – 2020 | — | Active |
| Coronaria Hammasklinikka Mannerheimintie Oy CVR 2949132-5 | OtherAudit | 2018 – 2023 | — | Active |
| Coronaria Hammasklinikka Kalevankatu Oy CVR 2949137-6 | OtherAudit | 2018 – 2022 | — | Dissolved |
| Coronaria Hammasklinikka Otakaari Oy CVR 2949138-4 | OtherAudit | 2018 – 2023 | — | Active |
| Keskinäinen Kiinteistö Oy Pori Naakantie CVR 2953875-2 | OtherAudit | 2018 – 2020 | — | Dissolved |
| Sievi Element Oy CVR 2954776-3 | OtherAudit | 2020 – 2023 | — | Dissolved |
| Sievitek Oy CVR 2954825-6 | OtherAudit | 2020 – 2023 | — | Dissolved |
| Infinitium Oy CVR 2973862-3 | OtherDeputy Member | 2019 – 2020 | — | Active |
| Pallas Kodit Oy CVR 2974486-3 | OtherAudit | 2022 – 2023 | — | Active |
| Coronaria Hammasklinikka Tikkurila Oy CVR 2987555-6 | OtherAudit | 2019 – 2021 | — | Dissolved |
| Coronaria Hammasklinikka Nummela Oy CVR 2987556-4 | OtherAudit | 2019 – 2022 | — | Dissolved |
| Habitaari Oy CVR 2988128-6 | OtherAudit | 2020 – 2023 | — | Active |
| Investrak Oy CVR 2988130-7 | OtherAudit | 2020 – 2023 | — | Dissolved |
| Sievitalo Oy CVR 2988131-5 | OtherAudit | 2020 – 2023 | — | Dissolved |
| Oulun Kuivaustekniikka Group Oy CVR 2988583-4 | OtherAudit | 2020 – 2023 | — | Active |
| Coronaria Hammasklinikka LS Oy CVR 2989175-9 | OtherAudit | 2019 – 2021 | — | Dissolved |
| As Oy Oulun Huilupiha CVR 2992575-2 | OtherAudit | 2019 – 2023 | — | Active |
| Koy Monitila Vantaa 2, Katriinantie 3 CVR 2997726-1 | OtherAudit | 2019 – 2021 | — | Active |
| Coronaria Hammasklinikka Sammakkotalo Oy CVR 3005969-5 | OtherAudit | 2019 – 2022 | — | Dissolved |
| Fodelia Oyj CVR 3012268-2 | OtherAudit | 2019 – 2023 | — | Active |
| Head Medical Oy CVR 3012700-2 | OtherAudit | 2019 – 2023 | — | Active |
| Kiinteistö Oy Kempeleen Vauhtikuja CVR 3013168-5 | OtherAudit | 2019 – 2022 | — | Active |
| Makuvara Oy CVR 3013219-4 | OtherAudit | 2019 – 2023 | — | Active |
| Oy Kylävainio Ab CVR 3013668-9 | OtherAudit | 2019 – 2023 | — | Active |
| Keskinäinen Kiinteistö Oy Härmäntorni CVR 3022435-5 | OtherAudit | 2019 – 2022 | — | Active |
| Suomen Kruunu Oy CVR 3086363-2 | OtherAudit | 2019 – 2023 | — | Active |
| Coronaria Terveys Oy CVR 3087705-7 | OtherAudit | 2020 – 2022 | — | Active |
| OptiLadies Oy CVR 3093130-8 | OtherAudit | 2022 – 2023 | — | Dissolved |
| Raahen Tehdaskiinteistöt Oy CVR 3093217-5 | OtherAudit | 2019 – 2023 | — | Active |
| Mahlatti Oy CVR 3093641-6 | OtherAudit | 2022 – 2023 | — | Active |
| Kiinteistö Oy Hotkunrannan Oivanki, Kuusamo CVR 3093720-8 | OtherAudit | 2019 – 2022 | — | Active |
| Kiinteistö Oy Hotkunrannan Kuopunki, Kuusamo CVR 3093725-9 | OtherAudit | 2019 – 2022 | — | Active |
| Kiinteistö Oy Hotkunrannan Juuma, Kuusamo CVR 3093730-4 | OtherAudit | 2019 – 2021 | — | Dissolved |
| Kiinteistö Oy Tornion Varikonkatu 3 CVR 3098173-5 | OtherAudit | 2019 – 2022 | — | Active |
| Kiinteistö Oy Masetvarri 1 CVR 3106480-8 | OtherAudit | 2022 – 2023 | — | Active |
| Seldeon Oy CVR 3114090-3 | OtherAudit | 2020 – 2023 | — | Active |
| Kiinteistö Oy Sammakkotalo CVR 3115534-7 | OtherAudit | 2020 – 2021 | — | Dissolved |
| Kiinteistö Oy Saaristonkatu 22 CVR 3115535-5 | OtherAudit | 2020 – 2022 | — | Active |
| Kiinteistö Oy Oulun Keskuskansakoulu CVR 3115536-3 | OtherAudit | 2020 – 2022 | — | Active |
| As Oy Oulun Pappilantie 33 CVR 3116710-2 | OtherAudit | 2020 – 2023 | — | Active |
| Syväsenvaara 1 Koy CVR 3123756-1 | OtherDeputy auditor | 2021 – 2023 | — | Active |
| As Oy Oulun Pantturipiha 6 CVR 3126379-4 | OtherAudit | 2020 – 2023 | — | Active |
| As Oy Oulun Pantturipiha 7 CVR 3126380-7 | OtherAudit | 2020 – 2023 | — | Active |
| As Oy Oulun Pantturipiha 8 CVR 3126382-3 | OtherAudit | 2020 – 2023 | — | Active |
| Coronaria Psykiatria Oy CVR 3142383-1 | OtherAudit | 2020 – 2022 | — | Active |
| KKOY Soma CVR 3150678-4 | OtherAudit | 2022 – 2023 | — | Active |
| OloWorks Oy CVR 3152738-2 | OtherDeputy auditor | 2020 – 2023 | — | Active |
| Lumille Pro-Kiinteistöt Oy CVR 3160138-6 | OtherAudit | 2020 – 2023 | — | Active |
| Kiinteistö Oy Oulun Gneissitie 5 CVR 3160352-5 | OtherAudit | 2020 – 2022 | — | Active |
| FodNet Oy CVR 3171183-3 | OtherAudit | 2021 – 2023 | — | Dissolved |
| Suomen Ikkunakauppa Oy CVR 3180855-5 | OtherAudit | 2021 – 2023 | — | Active |
| Latausparkki IN Oy CVR 3193641-8 | OtherAudit | 2021 – 2023 | — | Active |
| CooliBlade Oy CVR 3201724-5 | OtherAudit | 2022 – 2023 | — | Active |
| Asunto Oy Lipporannan Taimen, Oulu CVR 3207448-5 | OtherAudit | 2021 – 2022 | — | Active |
| Asunto Oy Lipporannan Kuha, Oulu CVR 3208722-7 | OtherAudit | 2021 – 2022 | — | Dissolved |
| Kiinteistö Oy Hatsalan Palvelutalo - Päiväkoti, Kuopio CVR 3221037-9 | OtherAudit | 2021 – 2022 | — | Dissolved |
| Asunto Oy Lipporannan Ahven, Oulu CVR 3222933-6 | OtherAudit | 2021 – 2022 | — | Active |
| Kiinteistö Oy Oulun Kirkkotori CVR 3237462-1 | OtherAudit | 2021 – 2022 | — | Active |
| Kiinteistö Oy Oulun Kajaanintie 48 CVR 3237782-2 | OtherAudit | 2021 – 2022 | — | Active |
| Heli Oulu Oy CVR 3253365-3 | OtherAudit | 2022 – 2023 | — | Active |
| Lehtonen Logistiikka Oy CVR 3255975-7 | OtherAudit | 2022 – 2023 | — | Active |
| Asunto Oy Hatsalan Keila, Kuopio CVR 3258217-2 | OtherAudit | 2022 – 2022 | — | Active |
| Asunto Oy Hatsalan Tripla, Kuopio CVR 3266067-9 | OtherAudit | 2022 – 2022 | — | Active |
| Asunto Oy Hatsalan Paana, Kuopio CVR 3266068-7 | OtherAudit | 2022 – 2022 | — | Active |
| Asunto Oy Hatsalan Kouru, Kuopio CVR 3266069-5 | OtherAudit | 2022 – 2022 | — | Active |
| Asumisoikeus Oy Kuopion Hannes Kolehmaisen katu 17 CVR 3266070-8 | OtherAudit | 2022 – 2022 | — | Dissolved |
| Asunto Oy Hatsalan Vinsta, Kuopio CVR 3266071-6 | OtherAudit | 2022 – 2022 | — | Active |
| Asunto Oy Hatsalan Perhonen, Kuopio CVR 3266072-4 | OtherAudit | 2022 – 2022 | — | Active |
| Asunto Oy Hatsalan Delfiini, Kuopio CVR 3266073-2 | OtherAudit | 2022 – 2022 | — | Active |
| Asunto Oy Hatsalan Piikki, Kuopio CVR 3266075-9 | OtherAudit | 2022 – 2022 | — | Active |
| Kiinteistö Oy Kaato CVR 3266905-9 | OtherAudit | 2022 – 2022 | — | Active |
| Themis Holding Oy CVR 3272209-1 | OtherAudit | 2022 – 2023 | — | Active |
| KKOY Sairaalantie 3, Posio CVR 3286404-9 | OtherAudit | 2022 – 2022 | — | Active |
| Kiinteistö Oy Lipporannan Parkki, Oulu CVR 3287602-3 | OtherAudit | 2022 – 2023 | — | Active |
| Kiinteistö Oy Oulun Torikatu 22 CVR 3289703-5 | OtherAudit | 2022 – 2023 | — | Active |
| Netox Holding Oy CVR 3293170-7 | OtherAudit | 2022 – 2023 | — | Active |
| Netox Group Oy CVR 3293171-5 | OtherAudit | 2022 – 2023 | — | Active |
| Kiinteistö Oy Hatsalan Parkki, Kuopio CVR 3296916-6 | OtherAudit | 2022 – 2023 | — | Active |
| Kiinteistö Oy Rovaniemen Teollisuustie 50 CVR 3298651-3 | OtherAudit | 2022 – 2022 | — | Active |
| Heli Rovaniemi Oy CVR 3311485-6 | OtherAudit | 2022 – 2023 | — | Active |
| As Oy Oulun Pantturipiha 9 CVR 3317984-4 | OtherAudit | 2022 – 2023 | — | Active |
| BT Big Twin Oy CVR 9210534-3 | OtherDeputy auditor | 2012 – 2019 | — | Active |