| Company name | Reg. code |
|---|---|
| UNICHAIN OÜ kustutatud | 16594119 |
| UNICHAT OÜ | 16772578 |
| BLUE UNICOIN OÜ kustutatud | 14405433 |
| VINCHAIN OÜ (former name Eurocrew OÜ) | 14322374 |
| QICHAIN OÜ kustutatud | 14642630 |
| ZICHAIN OÜ kustutatud (former name BaGuk Finance OÜ) | 14432499 |
| UMCHAIN OÜ | 16483456 |
| INCHAIN DIGITAL OÜ (former name Weaver Incorporated OÜ) | 16593284 |
| TOMYA TECHNOLOGY OÜ kustutatud (former name ONCHAIN OÜ) | 14893705 |