| Posti Logistiikkaratkaisut Oy CVR 0775983-7 | OtherConfidential Clerk | Since 2022 | — | Active |
| Posti Satamalogistiikka Oy CVR 1090596-2 | OtherConfidential Clerk | Since 2022 | — | Active |
| Posti Teollisuusratkaisut Oy CVR 1646732-6 | OtherConfidential Clerk | Since 2022 | — | Active |
| Posti Henkilöstöratkaisut Oy CVR 2344204-7 | OtherConfidential Clerk | Since 2022 | — | Active |
| Posti Logistics Services Oy CVR 2466441-8 | OtherConfidential Clerk | Since 2022 | — | Active |
| Posti Logistics Handling Oy CVR 2466442-6 | OtherConfidential Clerk | Since 2022 | — | Active |
| Posti Logistics Warehousing Oy CVR 2466443-4 | OtherConfidential Clerk | Since 2022 | — | Active |
| Posti Logistics Terminal Oy CVR 2466444-2 | OtherConfidential Clerk | Since 2022 | — | Active |
| Posti Warehousing Oy CVR 2527740-1 | OtherConfidential Clerk | Since 2022 | — | Active |
| Posti Logistics Solutions Supply Oy CVR 2527743-6 | OtherConfidential Clerk | Since 2022 | — | Active |
| Posti Logistiikka ja Varastointi Oy CVR 2690000-7 | OtherConfidential Clerk | Since 2022 | — | Active |
| Posti Rakennuslogistiikka Oy CVR 2793154-2 | OtherConfidential Clerk | Since 2022 | — | Active |
| Posti Logistics Wholesale Oy CVR 2793157-7 | OtherConfidential Clerk | Since 2022 | — | Active |
| Posti Logistiikkaratkaisut 10 Oy CVR 2811617-9 | OtherConfidential Clerk | Since 2022 | — | Dissolved |
| Posti 3PL Pääkaupunkiseutu Oy CVR 2982201-6 | OtherConfidential Clerk | Since 2022 | — | Active |
| Posti 3PL Etelä-Suomi Oy CVR 2982233-1 | OtherConfidential Clerk | Since 2022 | — | Active |
| Posti 4PL Contract Logistics Oy CVR 3121164-4 | OtherConfidential Clerk | Since 2022 | — | Active |
| Posti 3PL Contract Logistics Oy CVR 3121167-9 | OtherConfidential Clerk | Since 2022 | — | Active |