| Company name | Reg. code |
|---|---|
| MART-STUDIO OÜ | 16009084 |
| STUDIO MARTS OÜ | 16264787 |
| MARI STUDIO OÜ kustutatud | 14247247 |
| MARI RAIDAL STUDIO OÜ | 14486609 |
| KAITSEN OÜ (former name Studio Mari Seger OÜ) | 14399075 |
| MARTING STUDIO OÜ kustutatud | 10893944 |
| LART STUUDIO OÜ | 17428274 |
| MARH STUUDIOD OÜ (former name OÜ Allee) | 12315200 |
| RENTALGRUPP OÜ (former name ART-CUT STUDIO OÜ) | 12652191 |