| HONGKONG GRANDBER MATTRESSES CO., LIMITED | Private company limited by shares | Dissolved |
| SUN SEA MATTRESSES MANUFACTURING COMPANY LIMITED | Private company limited by shares | Live |
| Matt's Standard Company Limited | Private company limited by shares | Live |
| Mattsson IP Limited | Private company limited by shares | Live Commenced dormancy on 20-Jul-2018 |
| MATT-TEK LIMITED | Private company limited by shares | Dissolved |
| Sylvia Mattural Limited | Private company limited by shares | Live |
| MattVerse Limited | | Live |
| Mattvis Limited | Private company limited by shares | Live |