| Teho-Turve Oy CVR 0135334-2 | OtherAudit | 2020 – 2023 | — | Active |
| Purso Group Oy CVR 0151563-9 | OtherAudit | 2020 – 2022 | — | Active |
| Artekno-Saarioinen Oy CVR 0152890-7 | OtherDeputy auditor | 2021 – 2022 | — | Active |
| Saarioinen Oy CVR 0152895-8 | OtherDeputy auditor | 2021 – 2022 | — | Active |
| Kiinteistö Oy Tampereen Hämeenkatu 26 CVR 0702098-7 | OtherAudit | 2018 – 2023 | — | Dissolved |
| Kiinteistö Oy Hervannan Insinöörinkatu 78 CVR 0755047-8 | OtherAudit | 2018 – 2023 | — | Dissolved |
| Asunto Oy Carmen CVR 0763443-6 | OtherAudit | 2018 – 2020 | — | Active |
| Leptiitti Oy CVR 0807603-4 | OtherAudit | 2018 – 2025 | — | Active |
| Villa-Urpo Oy CVR 0809727-3 | OtherAudit | 2018 – 2023 | — | Dissolved |
| Kiinteistö-osakeyhtiö Hämeenpuisto 21 CVR 0809763-6 | OtherAudit | 2018 – 2023 | — | Dissolved |
| Hymy Lahtinen Oy CVR 0854536-3 | OtherAudit | 2018 – 2025 | — | Active |
| Jeppe Lahtinen Oy CVR 0854542-7 | OtherAudit | 2018 – 2023 | — | Dissolved |
| Kinnalan Taimisto Oy CVR 0871802-5 | OtherAudit | 2021 – 2022 | — | Active |
| Kiinteistö Oy Tampereen Pispalanvaltatie 134 CVR 0907655-4 | OtherAudit | 2018 – 2023 | — | Dissolved |
| Fennosteel Oy CVR 0913130-6 | OtherAudit | 2020 – 2022 | — | Active |
| Purso AluCool Oy CVR 0948122-6 | OtherDeputy auditor | 2020 – 2022 | — | Active |
| Tampereen Mummu ja Poika Oy CVR 1071217-5 | OtherAudit | 2018 – 2025 | — | Active |
| Millidyne Oy CVR 1108737-5 | OtherDeputy auditor | 2018 – 2023 | — | Active |
| Tahkon Klaara Oy CVR 1474340-3 | OtherAudit | 2018 – 2025 | — | Active |
| Tahkon Kukka Oy CVR 1474345-4 | OtherAudit | 2018 – 2025 | — | Active |
| Artekno Oy CVR 2211574-9 | OtherDeputy auditor | 2021 – 2022 | — | Active |
| Purso Oy CVR 2238041-1 | OtherAudit | 2020 – 2022 | — | Active |
| Quva Oy CVR 2348506-3 | OtherAudit | 2018 – 2022 | — | Active |
| SCHOTT Primoceler Oy CVR 2355307-0 | OtherAudit | 2020 – 2023 | — | Active |
| Tammer-Lattiat Oy CVR 2507623-9 | OtherAudit | 2018 – 2023 | — | Active |
| Kiinteistö Oy Tampereen Kauppilaisenkatu 2 b CVR 2536655-1 | OtherAudit | 2018 – 2025 | — | Active |
| Trackinno Oy CVR 2677783-8 | OtherAudit | 2018 – 2023 | — | Dissolved |
| Gaschema Finland Oy CVR 2709863-4 | OtherAudit | 2018 – 2020 | — | Active |
| Exafore Oy CVR 2723792-1 | OtherAudit | 2017 – 2023 | — | Active |
| Sonova Finland Oy CVR 2748612-7 | OtherAudit | 2021 – 2023 | — | Active |
