| Seinäjoen Tavara-Aitta Oy CVR 0315283-5 | OtherAudit | 2006 – 2022 | — | Active |
| Lapuan Latomeri Oy CVR 0696083-8 | OtherAudit | 2004 – 2019 | — | Active |
| Omj-Line Oy CVR 0841793-5 | OtherAudit | 2002 – 2022 | — | Active |
| Ylistaron Talotehdas Oy CVR 0987737-8 | OtherAudit | 2005 – 2020 | — | Active |
| Oy Pureman Ltd CVR 0990595-7 | OtherAudit | 1998 – 2022 | — | Active |
| Audacon Oy CVR 1092894-5 | OtherDeputy auditor | 2005 – 2022 | — | Active |
| Kiinteistö Oy Kauhavan Siljo CVR 1523277-9 | OtherAudit | 1998 – 2020 | — | Active |
| Finncora Oy CVR 1539990-7 | OtherAudit | 2006 – 2021 | — | Active |
| Atso Rakennus Oy CVR 1587831-8 | OtherAudit | 2000 – 2022 | — | Active |
| Panostus Pekka Saarela Oy CVR 1612472-9 | OtherDeputy auditor | 2004 – 2022 | — | Active |
| Oiva Koskela Oy CVR 1702224-9 | OtherAudit | 2001 – 2022 | — | Active |
| Vaasan Softis Oy CVR 1831136-8 | OtherAudit | 2003 – 2022 | — | Active |
| Asunto Oy Seinäjoen Hippukatu CVR 1835358-4 | OtherAudit | 2003 – 2022 | — | Active |
| Kiinteistö Oy Nurmon Kairatie CVR 1858989-6 | OtherAudit | 2003 – 2022 | — | Active |
| E-P:n kauppiasosuuskunta CVR 1887029-0 | OtherAudit | 2004 – 2022 | — | Active |
| AKISO Holding Oy CVR 1898048-1 | OtherAudit | 2004 – 2020 | — | Active |
| Rakennusliike Olli Lahdensuo Oy CVR 1898396-5 | OtherDeputy auditor | 2004 – 2022 | — | Active |
| Rauta R. Buckman Oy CVR 2000750-9 | OtherDeputy auditor | 2005 – 2022 | — | Active |
| Pohjanmaan Asbestisaneeraus Oy CVR 2075418-4 | OtherAudit | 2006 – 2022 | — | Active |
| Asunto Oy Lapuan Raimonraitti CVR 2076676-7 | OtherAudit | 2006 – 2022 | — | Active |
| Kiinteistö Oy Lapuan Unikonkulma CVR 2132586-7 | OtherDeputy auditor | 2007 – 2022 | — | Active |