| Company name | Reg. code |
|---|---|
| BEST SERVICE OÜ | 12032577 |
| LSP BEST SERVICE OÜ kustutatud | 14981319 |
| BEST PRO SERVICE OÜ (former name MegaMarket OÜ) | 16393869 |
| BEST SERVICE INVEST OÜ kustutatud (former name Best Service Invest UÜ) | 12447218 |
| BEST LOGISTICS SERVICE OÜ | 12562789 |
| BEST SERVICE CONSULTING OÜ kustutatud | 12087532 |
| BEST INNOVATION SERVICES OÜ | 14761435 |
| BESTER SERVICE OÜ kustutatud | 11546727 |
| BESTAIR SERVICE OÜ kustutatud | 16664133 |
| BESTCAR SERVICE OÜ | 17465849 |
| BESTECON SERVICE OÜ kustutatud (former name Bestecon Service UÜ) | 16330780 |
| BESTPRO FOOD AND SERVICES OÜ | 17281517 |
| CITYSERVICE PROPERTY PARTNERS OÜ (former name EST Services OÜ) | 12648976 |