| Company name | Reg. code |
|---|---|
| OPTIMYSE OÜ (former name Mikaels Labs OÜ) | 14437657 |
| OPTIMISM OÜ | 16063505 |
| OPTIMISER OÜ (former name Optimiser UÜ) | 14692065 |
| OPTIWISE OÜ kustutatud | 16007582 |
| OPTIMARE OÜ | 14236634 |
| OPTIMOUSE OÜ kustutatud | 16953104 |
| OPTISYS OÜ | 17297429 |
| OPTIMUS OÜ kustutatud | 12446637 |
| OPTIMUS OÜ | 14877238 |
| OPTIME OÜ | 10049237 |
| LOCAL OPTIMIZE OÜ | 14549161 |
| OPTIMIST GROUP OÜ | 14335164 |
| OPTIMIST PUBLIC OÜ | 12883097 |
| OPTIMIST CREATIVE OÜ (former name OPTIMIST GROUP OÜ) | 11683485 |
| OPTIMIST DIGITAL OÜ (former name Optimist Digital Ventures OÜ) | 14690787 |
| OPTIMISM LABS OÜ | 17143689 |
| NOMAD OPTIMIST OÜ kustutatud | 14571218 |
| OPTIMIST LIVE OÜ | 14721648 |
| OPTIMIST MOTION OÜ | 14086755 |
| OPTIMIST EHA OÜ | 17103690 |
| TACTICAL OPTIMIST OÜ | 16151054 |
| KRISSMAR OPTIMUS OÜ | 14201860 |
| OPTIMUS MUNDUS OÜ | 12390101 |
| OPTIMUS GROUP OÜ | 12870545 |
| A-OPTIMUS OÜ kustutatud | 11350358 |
| OPTIMUS MÖÖBEL OÜ | 12824350 |
| OPTIMUS INVEST OÜ kustutatud | 11491805 |
| OPTIMUS EST OÜ kustutatud | 12529987 |
| OPTIMUS FINANTS OÜ | 12434028 |
| OPTIMUS FOOD OÜ (former name Kauppavalmennus OÜ) | 12647540 |
| OPTIMUS EHITUS OÜ | 14092307 |
| OPTIMUS-HOLDING OÜ | 12762436 |
| DENTA OPTIMUS OÜ (former name OPTIMUS OÜ) | 14426122 |
| OPTIMUS TUNING OÜ | 11355278 |
| OPTIMUS CONSULTING OÜ kustutatud | 12172605 |
| OPTIMUS VAHENDUS OÜ | 14951118 |
| OPTIMUS GRUPP OÜ | 11746820 |
| OPTIMUS ENTERPRISE OÜ | 14726367 |
| OPTIMAS PROJEKT OÜ kustutatud | 11172566 |
| OPTIMUS VEDU OÜ | 16187584 |
| OPTIMUS PRO OÜ kustutatud | 12896898 |
| OPTIMUS & PARTNERS OÜ | 14312157 |
| OPTIMIZE AI AGENCY OÜ | 17170657 |
| YOPTIMISE OÜ kustutatud | 16162532 |
| CREDIT SEASON OÜ (former name Optimize Now OÜ) | 12464578 |
| OUTL1NE OÜ (former name Optimist Digital OÜ) | 12241097 |
| ÕPPIMISE VÕLU OÜ | 16092406 |
| SUHTEVESKI OÜ (former name Anu Psühholoogiline teenus OÜ) | 16119163 |