| Company name | Reg. code |
|---|---|
| KAARET INVEST OÜ | 14161646 |
| KAARE INVEST OÜ | 16797408 |
| KAAREL KIIL INVEST OÜ | 16721405 |
| RACIONALE OÜ (former name OÜ Kaarel K Invest) | 12366605 |
| KAARNA INVEST OÜ | 11536821 |
| DESIGN STRATEGY OÜ (former name Kaire Invest OÜ) | 12074950 |
| EVECON RISTI OÜ (former name Saare Invest UÜ) | 10816990 |