| SINGLE Q. LIMITED -THE- | Private company limited by shares | Live |
| At. One Single Limited | Private company limited by shares | Live |
| Fly Single Limited | Private company limited by shares | Live |
| SINGLE MINDED CATERERS LIMITED | Private company limited by shares | Live |
| SINGLE ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| Single Coffee Limited | Private company limited by shares | Live |
| Concept Single Limited | Private company limited by shares | Live |
| GALAXY SINGLE LIMITED | Private company limited by shares | Live |
| SINGLE MALT GROUP LIMITED | Private company limited by shares | Live |
| Single Knot Hong Kong Limited | Private company limited by shares | Live |
| SINGLE CHRISTIANS HOTLINE LIMITED | Private company limited by shares | Dissolved |
| SINGLE Temperature Controls Hong Kong Limited | Private company limited by shares | Live |
| SINGLE MADE LIMITED | Private company limited by shares | Live |
| SINGLE MALT ONLINE LIMITED | Private company limited by shares | Live |
| Single Family Office Limited | | Live |
| SINGLE MEETING POINTS LIMITED | Private company limited by shares | Live |
| SINGLE STAR LIMITED | Private company limited by shares | Dissolved |
| SINGLE STAR INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINGLE STUDIOS LIMITED | Private company limited by shares | Live |
| Single Dragon Trading Limited | Private company limited by shares | Live |
| SINGLE TREE ART INDUSTRY CO. LIMITED | Private company limited by shares | Live |
| SingleAccess Limited | Private company limited by shares | Live |
| SINGLEBERGE MANAGEMENT LIMITED | Private company limited by shares | Live |
| Singlelife-DS.(H.K.) Limited | Private company limited by shares | Dissolved |
| SINGLEMARK LIMITED | Private company limited by shares | Live |
| SingleMoney Investment Consultancy Company Limited | | Live |
| Singleron Biotechnologies (HK) Limited | Private company limited by shares | Live |
| Singles Limited -The- | Private company limited by shares | Live |
| SINGLES' CLUB LIMITED -THE- | Company limited by guarantee | Dissolved |
| SINGLETON COMPANY LIMITED | Private company limited by shares | Dissolved |
| Singleton Group Limited | Private company limited by shares | Live |
| Shenzhen Singlevision Digital Technology Co., Limited | Private company limited by shares | Live |
| Singleway Electronic Co., Limited | Private company limited by shares | Live |
| SINGLEWOOD ENTERPRISES LIMITED | Private company limited by shares | Dissolved |