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| Asunto Oy Joensuun Kalevankatu 36 CVR 0212397-9 | OtherDeputy auditor | Since 2026 | — | Active |
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| Otsotek Oy CVR 0964823-3 | OtherAudit | Since 2026 | — | Active |
| Asianajotoimisto Martti Juvonen Oy CVR 1483218-2 | OtherAudit | Since 2026 | — | Active |
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| Metsätoimisto Tuomiaho Oy CVR 2261549-5 | OtherAudit | Since 2025 | — | Active |
| Kuutec Oy CVR 2309646-3 | OtherAudit | Since 2025 | — | Active |
| Tohmajärven Autohuolto Oy CVR 2651518-4 | OtherAudit | Since 2025 | — | Active |
| Taksi Ihanus oy CVR 2701176-2 | OtherAudit | Since 2025 | — | Active |
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| Metsälogistiikka Väänänen Oy CVR 2906853-5 | OtherAudit | Since 2025 | — | Active |
| Ticcola Oy CVR 3368663-5 | OtherAudit | Since 2025 | — | Active |
| Karelian Tilintarkastajat Oy CVR 3516541-1 | BoardBoard of Directors | Since 2025 | — | Active |
| Kauppaliike S. Varis Oy CVR 3516960-7 | OtherAudit | Since 2025 | — | Active |
| Tilintarkastus Martikainen Oy CVR 3581270-3 | BoardBoard of Directors | Since 2025 | — | Active |
| Työosuuskunta OmaOn CVR 3585811-1 | OtherAudit | Since 2026 | — | Active |
