| Kauko Oy CVR 0100650-0 | BoardBoard of Directors | 2022 – 2024 | — | Aktiv |
| Signal Partners Oy CVR 0108147-1 | BoardBoard of Directors | 2020 – 2024 | — | Aktiv |
| Posti Jakelu Oy CVR 0109357-9 | BoardBoard of Directors | 2019 – 2021 | — | Aktiv |
| WithSecure Oy CVR 0705579-2 | OtherConfidential Clerk | 2021 – 2026 | — | Aktiv |
| Posti Logistiikkaratkaisut Oy CVR 0775983-7 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Logistics Management Oy CVR 0884187-5 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Global Mail FP Oy CVR 1014863-1 | BoardChairperson | 2019 – 2021 | — | Opløst |
| Posti Satamalogistiikka Oy CVR 1090596-2 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Group Oyj CVR 1531864-4 | OtherPerson with significant control | 2020 – 2021 | — | Aktiv |
| Posti Teollisuusratkaisut Oy CVR 1646732-6 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Logistiikkaratkaisut Länsi-Suomi Oy CVR 1744451-3 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Nightingale Health Oyj CVR 1750524-0 | BoardBoard of Directors | 2021 – 2023 | — | Aktiv |
| Posti Logistiikkaratkaisut Etelä-Suomi Oy CVR 2060544-5 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Logistiikkaratkaisut Itä-Suomi Oy CVR 2060612-2 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Joblink Myymäläpalvelut Oy CVR 2068800-9 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Logistiikkaratkaisut Keski-Suomi Oy CVR 2118976-2 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Oy CVR 2344200-4 | BoardBoard of Directors | 2019 – 2021 | — | Aktiv |
| Posti Henkilöstöratkaisut Oy CVR 2344204-7 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Group Suomi Oy CVR 2365191-4 | BoardChairperson | 2019 – 2021 | — | Aktiv |
| Posti Logistiikkaratkaisut Support Oy CVR 2462645-4 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Logistiikkaratkaisut Motion Oy CVR 2462661-4 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Logistiikkaratkaisut Fast Oy CVR 2462663-0 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Logistiikkaratkaisut Move Oy CVR 2462665-7 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Logistiikkaratkaisut Flex Oy CVR 2462666-5 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Logistiikkaratkaisut Action Oy CVR 2462741-4 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Logistics Services Oy CVR 2466441-8 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Logistics Handling Oy CVR 2466442-6 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Logistics Warehousing Oy CVR 2466443-4 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Logistics Terminal Oy CVR 2466444-2 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Stella Kotihoito Oy CVR 2501969-9 | BoardChairperson | 2019 – 2020 | — | Opløst |
| Posti Warehousing Oy CVR 2527740-1 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Logistics Solutions Supply Oy CVR 2527743-6 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Liikennevirta Oy CVR 2588986-2 | OtherConfidential Clerk | 2026 – 2026 | — | Aktiv |
| Posti Logistiikkaratkaisut Extra Oy CVR 2625542-3 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Global Oy CVR 2640761-8 | BoardChairperson | 2019 – 2021 | — | Opløst |
| KV Turva Oy CVR 2664813-9 | BoardChairperson | 2021 – 2021 | — | Aktiv |
| Posti Logistiikka ja Varastointi Oy CVR 2690000-7 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| E-log Services Oy CVR 2743005-1 | BoardChairperson | 2020 – 2021 | — | Opløst |
| Posti Logistiikkaratkaisut Uusimaa Oy CVR 2758509-6 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Logistiikkaratkaisut Flow Oy CVR 2758513-3 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Kuljetus Oy CVR 2786155-6 | BoardChairperson | 2019 – 2021 | — | Aktiv |
| Posti Rakennuslogistiikka Oy CVR 2793154-2 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Logistics Wholesale Oy CVR 2793157-7 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Logistiikkaratkaisut Espoo Oy CVR 2794269-8 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Logistiikkaratkaisut Helsinki Oy CVR 2794274-3 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Logistiikkaratkaisut Tuusula Oy CVR 2794277-8 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Logistiikkaratkaisut Vantaa Oy CVR 2794280-7 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Logistiikkaratkaisut Works Oy CVR 2811610-1 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Logistiikkaratkaisut Craft Oy CVR 2811613-6 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Logistiikkaratkaisut 10 Oy CVR 2811617-9 | BoardChairperson | 2020 – 2021 | — | Opløst |
| Posti Logistiikkaratkaisut Chain Oy CVR 2811626-7 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Logistiikkaratkaisut Kilo Oy CVR 2811630-4 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Logistiikkaratkaisut Akatemia Oy CVR 2826830-8 | BoardChairperson | 2020 – 2021 | — | Opløst |
| Flexo Palvelut Oy CVR 2827948-8 | BoardChairperson | 2020 – 2021 | — | Opløst |
| Posti Palvelut Oy CVR 2830428-4 | BoardChairperson | 2019 – 2021 | — | Aktiv |
| Flexo Palvelut Ykkönen Oy CVR 2830429-2 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Flexo Palvelut Kymppi Oy CVR 2830430-5 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Logistiikkaratkaisut Vaasa Oy CVR 2839017-8 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Logistiikkaratkaisut Sigma Oy CVR 2839021-5 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti Logistiikkaratkaisut Työmaapalvelut Oy CVR 2839025-8 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| GEP Finland Oy CVR 2846825-4 | BoardBoard of Directors | 2018 – 2019 | — | Aktiv |
| Posti Messaging Oy CVR 2876876-7 | BoardBoard of Directors | 2019 – 2021 | — | Aktiv |
| Posti Fokus Oy CVR 2952893-3 | BoardChairperson | 2018 – 2021 | — | Opløst |
| Posti 3PL Pääkaupunkiseutu Oy CVR 2982201-6 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti 3PL Etelä-Suomi Oy CVR 2982233-1 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti 4PL Contract Logistics Oy CVR 3121164-4 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Posti 3PL Contract Logistics Oy CVR 3121167-9 | BoardChairperson | 2020 – 2021 | — | Aktiv |
| Kiinteistö Oy Graniitti Bastukärr CVR 3177770-1 | BoardChairperson | 2021 – 2021 | — | Opløst |
