| Company name | Reg. code |
|---|---|
| ATTEXO OÜ | 12550303 |
| ATTENT OÜ kustutatud | 11983329 |
| ATTIMO OÜ | 12250423 |
| ATTOXA OÜ | 14041528 |
| ATTIVO OÜ kustutatud | 10096248 |
| ATTEK OÜ kustutatud | 11257765 |
| ATTEST ACCOUNTING OÜ | 16120491 |
| ATTELA KIRJASTUS OÜ kustutatud | 12374036 |
| ATTIKO SOLUTIONS OÜ (former name MBeauty Solutions OÜ) | 14637617 |
| ATTEND ÕIGUSBÜROO OÜ | 11013230 |
| ATTIGO CAPITAL OÜ | 12983284 |
| ATTEST HOLDING OÜ | 16410504 |
| ATTEST ADVISORY OÜ (former name Upper Market OÜ) | 14048720 |
| ATTEST INVEST OÜ | 16506575 |
| ATTEST MANAGEMENT OÜ | 16110021 |
| ATTESA CAPITAL OÜ kustutatud | 12486752 |
| ATTELA ADVOKAADIBÜROO OÜ kustutatud | 12599456 |
| ATTELA ADVOKAADIBÜROO OÜ (former name CASUS AB OÜ) | 11329281 |
| ATTEND FINANCE & COLLECTION OÜ kustutatud | 12754810 |
| ALTERO OÜ kustutatud | 11159620 |
| ALTERO OÜ (former name LoanFiner OÜ) | 14188970 |
| CANTEXO OÜ (former name Cannab OÜ) | 14720413 |
| ATLEVO OÜ (former name Atlevo UÜ) | 17311419 |
| NATTEX OÜ | 17322943 |
| ARTEXT OÜ | 16214594 |
| TERVEYSTALO ESTONIA OÜ (former name Attendo Estonia OÜ) | 12176247 |
| HINGEKODU OÜ kustutatud (former name Attendo Group OÜ) | 11908116 |
| ATLEX OÜ (former name aktsiaselts ATLEX) | 10085109 |
| ATEMO OÜ | 16161314 |
| ARTEX OÜ kustutatud | 12686209 |
| ALEXO OÜ | 14690505 |
| ATGEO OÜ | 16200899 |
| ARTEO OÜ | 12801260 |
| ARTECO INVEST OÜ | 16600914 |
| ANTERO DEVELOPMENT OÜ | 11558656 |
| ARTECO HOLDING OÜ kustutatud | 11214684 |
| ANTERO EHITUS OÜ kustutatud | 10200941 |
| ALTECO SYSTEMS OÜ | 12192625 |
| ANTEKO GRUPP OÜ | 14260733 |
| ANTERO ÄRI OÜ | 10415512 |
| ARTEGO KIVI OÜ | 11208241 |
| ANTERO CONSULT OÜ | 10076814 |
| ARNEXO GRUPP OÜ | 11240227 |
| AITELO TECHNOLOGIES OÜ kustutatud (former name Scanvic Systems OÜ) | 14059267 |
| ARTEKO GROUP OÜ | 16599039 |
| ARTECO STUDIO OÜ | 16789426 |
| ANTERO FOREST OÜ | 16254197 |
| ALTEKO OIL OÜ | 12364581 |
| ANTEKO EHITUS OÜ | 12119433 |
| ARTEKO TEAM OÜ | 11098717 |