| 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 |
| HK SINGLIAN TRADE LIMITED | | Live |
| SINGLIGHT LIMITED | Private company limited by shares | Dissolved |
| SINGLIN IMPORTS & EXPORTS LIMITED | Private company limited by shares | Dissolved |
| SINGLIN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINGLINK TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINGLIWORLD HK PTE LIMITED | Private company limited by shares | Live |
| SinGlo Global Sourcing Limited | | Live |
| SINGLOBAL LIMITED | Private company limited by shares | Dissolved |
| SINGLOK LIMITED | Private company limited by shares | Live |
| Singlong Enterprise Limited | Private company limited by shares | Live |
| HUA SINGLONG TRADING COMPANY LIMITED | | Live |
| SINGLORY CO., LIMITED | Private company limited by shares | Dissolved |
| SINGLORY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Singlten Art Product Limited | Private company limited by shares | Live |
| TAO TAO SINGLUMKHUI COMPANY LIMITED | Private company limited by shares | Live |
| SINGLUNG TECH LIMITED | Private company limited by shares | Live |
| SINGLUNG WIRE & PLASTIC COMPANY LIMITED | Private company limited by shares | Live |
| SINGLUNGYU INT'L LIMITED | Private company limited by shares | Live |
| SINGLY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINGMA LIMITED | Private company limited by shares | Live |
| SINGMA INT'L CO., LIMITED | Private company limited by shares | Live |
| SINGMA DELUXE HOLDING LIMITED | Private company limited by shares | Live |
| SINGMA ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SINGMA INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINGMA INTRACO TRADING (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SINGMAI TRADING LIMITED | | Live |
| SINGMAL CONTRACTORS LIMITED | Private company limited by shares | Dissolved |
| SINGMALAY COMPANY LIMITED | Private company limited by shares | Live |
| SINGMASTATE (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Singme Catering Limited | Private company limited by shares | Live |
| Singmed HK Limited | | Live |
| SingMeng Telemedia (Hong Kong) Limited | Private company limited by shares | Live |
| SINGMI (CHINA) HOLDING LIMITED | Private company limited by shares | Live |
| SINGMING COMPANY LIMITED | Private company limited by shares | Live |
| Singmokee Limited | Private company limited by shares | Live |
| Singmon Business Limited | Private company limited by shares | Live |
| SINGMONT TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINGMORE LIMITED | Private company limited by shares | Dissolved |
| HK SINGO LIMITED | Private company limited by shares | Live |
| SINGO LIMITED | Private company limited by shares | Live |
| SINGO (ASIA) LIMITED | Private company limited by shares | Live |
| SINGO ELECTRIC COMPANY LIMITED | Private company limited by shares | Live |
| SINGO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINGO TOYS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINGOF GROUP CO., LIMITED | Private company limited by shares | Live |
| SINGOKUR LIMITED | Private company limited by shares | Dissolved |
| SINGOLDEN COMPANY LIMITED | Private company limited by shares | Live |
| SINGON HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| SingOn Productions Limited | Private company limited by shares | Live |
| SINGONE HK SHIPPING CO., LIMITED | Private company limited by shares | Live |
| Singone Trading Limited | | Live |
| HONG KONG SINGOO CO., LIMITED | Private company limited by shares | Live |
| Singoo Technology Limited | | Live |
| SINGOO TRADING LIMITED | Private company limited by shares | Live |
| SINGORA LIMITED | Private company limited by shares | Dissolved |
| SINGOU CO., LIMITED | Private company limited by shares | Live |
| SINGPAC FINANCE AND EQUITY CORPORATION LIMITED | Private company limited by shares | Live |
| SINGPAC INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| HK Singphone Limited | Private company limited by shares | Live |
| SINGPLUS HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SINGPO LIMITED | Private company limited by shares | Dissolved |
| SINGPO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINGPOINT LIMITED | Private company limited by shares | Dissolved |
| SINGPOLI LIMITED | Private company limited by shares | Dissolved |
| Singpower Electronic Technology Co., Limited | Private company limited by shares | Live |
| SingPro Limited | Private company limited by shares | Live |
| SingQueen Limited | | Live |
| SINGR MUSIC PRODUCTION LIMITED | Private company limited by shares | Live |
| SINGRA TECHNOLOGY (HK) CO., LIMITED | | Live |
| SINGRAND INTERNATIONAL (H.K) CO., LIMITED | Private company limited by shares | Live |