| Company name | Reg. code |
|---|---|
| OFFICIA OÜ | 12284149 |
| REPAIR OFFICIA OÜ | 17316243 |
| KAZUM OFFICIAL OÜ | 16906346 |
| OFFICIAL PROPERTY OÜ | 17206183 |
| UNICORNER OFFICIAL OÜ | 16474272 |
| OFFICIAL RELATIONS OÜ | 14676416 |
| ALEXXANDRA OFFICIAL OÜ | 16702715 |
| OFFICIAL LUXURY ITEMS OÜ kustutatud (former name Block&Bau OÜ) | 12968020 |
| OFFICIUM OÜ | 16623819 |
| 1OFFICE OÜ | 12310390 |
| OFFICE 31 OÜ (former name CIT Capital OÜ) | 16314887 |
| 24/7 OFFICE OÜ | 16591546 |
| 24/7 OFFICE OÜ kustutatud (former name HammerHub OÜ) | 12807363 |
| ASSISTANCE OFFICES OÜ | 14949593 |
| OFFICIUM SERVITOR OÜ | 16966420 |
| CREATIVE OFFICER OÜ | 12373389 |
| MAESTRO OFFICIIS OÜ (former name Maestro massaažid OÜ) | 14696407 |
| FINTECH OFFICES OÜ (former name Auxledger OÜ) | 14517215 |
| AG OFFICIUS OÜ kustutatud | 14727773 |
| CC OFFICER OÜ kustutatud | 12803313 |
| OFFICIUM GROUP OÜ | 14642162 |
| HITS OFFICES OÜ | 14875392 |
| OFFICIALEVENT OÜ | 17150117 |
| STRATEGY OFFICE OÜ | 16468478 |
| MOBILE OFFICE OÜ | 11991206 |
| OFFICE PARTNER OÜ | 10944481 |
| OFFICE SALUVEER OÜ | 16117690 |
| MINI OFFICE OÜ kustutatud | 12110490 |
| 1OFFICE GROUP OÜ | 12133700 |
| NORDIC OFFICE OÜ kustutatud | 12317854 |
| MR OFFICE OÜ | 11474468 |
| INTERNO OFFICE OÜ | 11473598 |
| 1OFFICE GLOBAL OÜ (former name Sometimes Office OÜ) | 14207868 |
| ESTDIRECT OFFICE OÜ kustutatud | 11118360 |
| 1OFFICE LEGAL OÜ kustutatud | 12625478 |
| OFFICE GRUPP OÜ | 10831038 |
| OFFICE SYSTEM OÜ (former name OÜ OFFICE ECONOMICUS) | 10169668 |
| M4OFFICE OÜ | 10860790 |
| LOGITEX OFFICE OÜ | 12924287 |
| OFFICE MASSAGE OÜ | 12844683 |
| MOLIS OFFICE OÜ | 12808523 |
| 1OFFICE ESTONIA OÜ (former name 1Office Eesti OÜ) | 11528017 |
| OFFICE PLUS OÜ | 14421082 |
| RITBEL OFFICE OÜ | 11298698 |
| BEST OFFICE OÜ | 11464330 |
| AV OFFICE OÜ kustutatud (former name VARE konsultatsioonid OÜ) | 16486878 |
| FINANTS OFFICE OÜ | 16074963 |
| VIRTUAL OFFICE OÜ kustutatud | 11298592 |
| KARAL OFFICE OÜ | 14135100 |
| ABRAMS OFFICE OÜ | 10429129 |