| Bostads Ab Kyrkoesplanaden 29 CVR 0183905-1 | OtherAudit | 2011 – 2023 | — | Active |
| Oy Ecce-Re Ab CVR 0184411-7 | OtherAudit | 2003 – 2023 | — | Active |
| Kiinteistö Oy Sekahaku Fastighets Ab CVR 0248998-9 | OtherAudit | 2006 – 2023 | — | Dissolved |
| Fastighets Ab Vasa Bankborg - Kiinteistö Oy Vaasan Pankkilinna CVR 0485550-8 | OtherAudit | 2012 – 2023 | — | Active |
| Asunto Oy Kristiinan Leppäsalmenkatu 4 CVR 0598173-3 | OtherDeputy auditor | 2000 – 2023 | — | Active |
| Oy Jakobstads Business Center Ab CVR 0666489-5 | OtherAudit | 1998 – 2023 | — | Active |
| Oy Inmera Ab CVR 0666548-4 | OtherDeputy auditor | 2000 – 2023 | — | Active |
| Asunto Oy Pytkyntorppa CVR 0761133-0 | OtherAudit | 2002 – 2023 | — | Active |
| Kasi Yhtiöt Oy CVR 0908448-2 | OtherDeputy auditor | 2004 – 2024 | — | Active |
| Vöyrinpoika Oy CVR 0922944-2 | OtherAudit | 2003 – 2021 | — | Active |
| RV Line Oy Ab CVR 1525981-6 | OtherDeputy auditor | 1999 – 2023 | — | Active |
| Ab Mer Music Oy CVR 1562901-2 | OtherDeputy auditor | 2000 – 2021 | — | Active |
| Neotide Ab CVR 1574483-8 | OtherAudit | 2007 – 2019 | — | Active |
| Oy Vedaris Ab CVR 1723974-7 | OtherDeputy auditor | 2001 – 2023 | — | Active |
| Ab Närpes Dynamo Net Närpiö Oy CVR 1778124-5 | OtherAudit | 2002 – 2022 | — | Active |
| Oy GW Vasa Ab CVR 1923972-4 | OtherAudit | 2004 – 2023 | — | Active |
| Ab Wasa Logistics Shipping Ltd Oy CVR 1934124-3 | OtherAudit | 2005 – 2023 | — | Active |
| Merinova Service Oy Ab CVR 1957996-4 | OtherAudit | 2005 – 2023 | — | Active |
| Kiinteistö Oy Pietarsaaren Victoria CVR 1994381-8 | OtherAudit | 2011 – 2023 | — | Active |
| Comfort Family Hotel Oy Ab CVR 1994968-9 | OtherAudit | 2011 – 2021 | — | Active |
| Finskis Oy CVR 2011820-9 | OtherAudit | 2006 – 2023 | — | Active |
| Fastighets Ab Kvevlax Centrum CVR 2126325-6 | OtherAudit | 2007 – 2023 | — | Active |
| Fastighets Ab Sparslanten CVR 2196657-6 | OtherAudit | 2008 – 2023 | — | Active |
| Botnia Media Oy Ab CVR 2286513-6 | OtherAudit | 2009 – 2023 | — | Active |
| Messina Oy Ab CVR 2329811-0 | OtherAudit | 2010 – 2023 | — | Active |