| Company name | Reg. code |
|---|---|
| HOLIVIUM OÜ | 17310756 |
| HOLMIUM OÜ (former name Holmium UÜ) | 16877640 |
| SOLVIUM OÜ | 17144938 |
| STYLEHOME COMPANY OÜ kustutatud (former name Holmium OÜ) | 12142314 |
| SOLIDIUM TECHNOLOGY OÜ | 17338105 |
| SOLIDIUM INVESTMENTS OÜ kustutatud | 11839740 |