| Helsingin KTK Oy CVR 0116492-0 | OtherDeputy auditor | 2019 – 2021 | — | Active |
| Kiinteistö Oy Tela Fastighets Ab CVR 0221996-2 | OtherAudit | 2022 – 2023 | — | Active |
| Tapio Palvelut Oy CVR 0498749-8 | OtherAudit | 2022 – 2023 | — | Active |
| Oy Scan-Shipping Ab CVR 0613530-1 | OtherAudit | 2022 – 2023 | — | Active |
| LKL-Kustannus Oy CVR 0720355-6 | OtherAudit | 2021 – 2023 | — | Active |
| Betesda-palvelut Oy CVR 0814962-7 | OtherAudit | 2021 – 2023 | — | Active |
| Kiinteistö Oy Rekolanpohjankatu 3 CVR 0965779-7 | OtherAudit | 2022 – 2023 | — | Active |
| Laboratoriolääketieteen Koulutuskeskus Koulab Oy CVR 0977891-9 | OtherAudit | 2019 – 2022 | — | Active |
| NetBooster Finland Oy CVR 1473785-5 | OtherAudit | 2018 – 2023 | — | Active |
| Gerflor Oy CVR 1505566-1 | OtherAudit | 2022 – 2023 | — | Active |
| Oy Strait Air Transport Ab CVR 1567240-8 | OtherAudit | 2021 – 2023 | — | Active |
| BY-Koulutus Oy CVR 1585603-9 | OtherAudit | 2021 – 2023 | — | Dissolved |
| Tammenlehvän kunniamerkkipalvelu Oy CVR 1605390-8 | OtherAudit | 2020 – 2025 | — | Active |
| Betesdan vuokra-asunnot Oy CVR 1615754-7 | OtherAudit | 2022 – 2023 | — | Dissolved |
| Oy Shipco Transport Ab CVR 1756430-4 | OtherAudit | 2021 – 2023 | — | Active |
| Asunto Oy Vantaan Sahapuisto CVR 2143356-9 | OtherAudit | 2022 – 2023 | — | Active |
| Tapio Oy CVR 2660009-8 | OtherAudit | 2022 – 2023 | — | Active |
| Nordic Energy Homes Oy CVR 2935728-1 | OtherAudit | 2019 – 2020 | — | Active |
| Boxon Oy CVR 2998860-6 | OtherAudit | 2022 – 2023 | — | Active |
| DigiTapio Oy CVR 3010774-9 | OtherAudit | 2022 – 2023 | — | Active |
| Nordic Energy Crew Oy CVR 3090274-2 | OtherAudit | 2019 – 2020 | — | Active |
| Nordic Energy Construction Oy CVR 3090278-5 | OtherAudit | 2019 – 2020 | — | Active |
