| Company name | Reg. code |
|---|---|
| MARMUI INVEST OÜ | 14723618 |
| MARCUS INVEST OÜ | 12802236 |
| MARCUS INVEST OÜ kustutatud | 10326688 |
| DOWNCREEK OÜ (former name Marmel Invest OÜ) | 14259931 |
| MARMAR INVEST OÜ | 14352671 |
| MARMAE INVEST OÜ | 14392920 |
| MARKII INVEST OÜ | 11209358 |
| ERKKI MARKUS INVEST OÜ (former name Mailbow OÜ) | 11660774 |