| Company name | Reg. code |
|---|---|
| GOLDEXPERT OÜ | 12078177 |
| HOLDEXPERT OÜ | 17155853 |
| FOODEXPERT OÜ | 12638564 |
| GRIDEXPERT OÜ | 17395528 |
| WELDEXPERT OÜ kustutatud | 12488933 |
| NORDEXPERT OÜ | 10781625 |
| VOLTEXPERT OÜ | 16127228 |
| GOEXPERT OÜ kustutatud | 12437104 |
| WOODEXPERT ESTONIA OÜ kustutatud | 16153154 |
| GOEXPERT LEARNING SYSTEMS OÜ (former name GoExpert OÜ) | 16726644 |