| Company name | Reg. code |
|---|---|
| SPARKBEST OÜ kustutatud (former name SparkBest UÜ) | 12871823 |
| SPARKNEST OÜ | 17078940 |
| SPARKLES OÜ | 10809369 |
| SPARKNET COMPANY OÜ | 11609655 |
| SPARKIES GROUP OÜ (former name PMW Invest OÜ) | 16385396 |
| STARKEST OÜ | 14631365 |
| PARKEST OÜ | 12847380 |