| Company name | Reg. code |
|---|---|
| HOUMY OÜ | 14871112 |
| HOUZY HOUSE OÜ | 16828333 |
| HOUM DESIGN OÜ | 14327213 |
| SAI HOUM OÜ | 17481529 |
| HÕUM KINNISVARABÜROO OÜ (former name Hi 5 Honey OÜ) | 12670349 |
| HOUM LIVING OÜ (former name Mööblilaegas OÜ) | 12965398 |
| SVIIT HÕUM OÜ | 16876438 |
| HOMMY EESTI OÜ | 14956529 |
| YUAN HOMY OÜ | 14608745 |