| Company name | Reg. code |
|---|---|
| BLOCKDAG OÜ | 17064333 |
| BLOCKRAT OÜ | 16946972 |
| BLOCKPAY OÜ | 14689146 |
| BLOCKDEX OÜ kustutatud | 14491846 |
| BLOCKING OÜ kustutatud | 16407241 |
| BLOCKLAB OÜ | 16565218 |
| LINTLOG BLOCKBAU OÜ kustutatud (former name Buildmax Group OÜ) | 14036007 |
| WENX EXCHANGE OÜ kustutatud (former name BLOCKDATA OÜ) | 14911124 |
| BLACKDOG PRODUCTIONS OÜ | 17471695 |
| ARISTOKRATES OÜ (former name Blockia Labs OÜ) | 16961316 |