| NEW ARTS (LIKE SUN) TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SHUI ON NURSING CENTRE (SUN TIN WAI) COMPANY LIMITED | Private company limited by shares | Live |
| SUN. TM INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| KONG SUN YUEN (FUNG SUN) MEAT CO LIMITED | | Live |
| ASSOCIATION FOR NG YUP (YAN, HOI, SUN, TOI & HOK) COUNTRYMEN IN PENG CHAU, LIMITED -THE- | Company limited by guarantee | Live |
| KARL LEE (SUN KEE) S. & D. FACTORY LIMITED | Private company limited by shares | Dissolved |
| FAIRYLAND RESTAURANT (SUN KEE) COMPANY, LIMITED | Private company limited by shares | Dissolved |
| POON'S (SUN KEE) COMPANY LIMITED | Private company limited by shares | Live |
| CHIT SZE (SUN) PAPER PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| Pinnacle Fitness (Sun) Company Limited | | Live |
| SUN FA CHAU (SUN LIGHT) RESTAURANT LIMITED | Private company limited by shares | Dissolved |
| SUN LOONG SHING RESTAURANT (SUN KEE) CO. LIMITED | Private company limited by shares | Live |
| KIT SHING (SUN HO) TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| Man Tin Restaurant (Sun Sing) Limited | | Live |
| ZHONGSHAN (SUN YAT SEN) UNIVERSITY ALUMNI ASSOCIATION (H.K.) LIMITED | Company limited by guarantee | Dissolved |
| New Times Investment (SUN WAH) Co., Limited | Private company limited by shares | Live |
| XINDONGFANG (WING SUN) TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUN1 LIMITED | Private company limited by shares | Live |
| SUN1 DESIGN LIMITED | | Live |
| SUN2 PROPERTY SERVICES LIMITED | Private company limited by shares | Dissolved |
| Sun2020 Limited | Private company limited by shares | Live |
| Sun2021 Limited | Private company limited by shares | Live |
| Sun2022 Limited | Private company limited by shares | Live |
| SUN2K LIMITED | Private company limited by shares | Dissolved |
| SUNA LIMITED | Private company limited by shares | Dissolved |
| SUNA LIMITED | Private company limited by shares | Dissolved |
| QINGDAO SUNA JEWELRY CO., LIMITED | Private company limited by shares | Live |
| SUNA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SUNA SRS FINANCE LIMITED | Private company limited by shares | Live |
| SUNA HOLDING COMPANY LIMITED | | Live |
| SUNA LUMA LIMITED | | Live |
| SUNA PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| SUNA TRADING LIMITED | Private company limited by shares | Live |
| Sunabel Co Limited | Private company limited by shares | Live |
| LAI ZHI SUNAC LIMITED | Private company limited by shares | Live |
| Sunac Finance Limited | Private company limited by shares | Live |
| SUNACE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUNACE TRADING COMPANY LIMITED | Private company limited by shares | Live |
| SUNACO CO., LIMITED | Private company limited by shares | Dissolved |
| SUNACRO D.O.O. HKG CO., LIMITED | Private company limited by shares | Dissolved |
| SUNACT COMPANY LIMITED | Private company limited by shares | Live |
| SUNACT INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| U.K SUNADE INTERNATIONAL GROUP COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUNAGA (HK) LIMITED | Private company limited by shares | Live |
| Sunagakure Trading Limited | Private company limited by shares | Live |
| SUNAGE LIMITED | Private company limited by shares | Live |
| SUNAGE ADVERTISING LIMITED | Private company limited by shares | Live |
| Sunai Technologies Co., Limited | Private company limited by shares | Live |
| SUNAIDAR TRADE LIMITED | Private company limited by shares | Live |
| SUNAIR LIMITED | Private company limited by shares | Live |
| SUNAIR TECHNOLOGY TRADE CO., LIMITED | Private company limited by shares | Live |
| SUNAIR INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SUNAIR INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| SUNAIR INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| SUN-AIR TRAVEL LIMITED | Private company limited by shares | Live |
| Sunairgas International (HK) CO., Limited | Private company limited by shares | Live |
| SUNAIS INTERNATIONAL ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| SUNALLIANCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUNALLIANCE CAPITAL LIMITED | Private company limited by shares | Live |
| SUNALLY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUNAM LIMITED | Private company limited by shares | Dissolved |
| SUNAM ASIA LIMITED | Private company limited by shares | Dissolved |
| SUNAM INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SUNAMERICA GLOBAL COMERCIO LIMITED | Private company limited by shares | Live |
| SUNAMERICA INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| SUNAN LIMITED | Private company limited by shares | Dissolved |
| SUNAN TRADE LIMITED | | Live |
| Sunanda Group Holding Limited | | Live |
| SUNANO GROUP LIMITED | Private company limited by shares | Live |
| SUNAO LIMITED | Private company limited by shares | Live |
| SUN-AP Consulting Co., Limited | | Live |
| Sunapps Energy (HK) Limited | | Live |
| Sunapsis Limited | Private company limited by shares | Live |
| SUNAQUA CONCEPTS LIMITED | Private company limited by shares | Live |
| Sunar Design & Creative Limited | Private company limited by shares | Live |
| SUNARHAUSERMAN ASIA LIMITED | Private company limited by shares | Dissolved |
| SunArk Power Co., Limited | | Live |
| SUNARK PEGASUS (CHINA) HOLDINGS GROUP LIMITED | Private company limited by shares | Dissolved |
| SUNARK PEGASUS (CHINA) TOURISM STOCK LIMITED | Private company limited by shares | Dissolved |
| SUNARROW INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUNART LIMITED | Private company limited by shares | Live |
| SUNASIA LIMITED | Private company limited by shares | Dissolved |
| CHILL SUN(ASIA)ENTERPRISE LIMITED | | Live |
| SUNASUN LIMITED | Private company limited by shares | Live |
| SUNATCO MERCANTILE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUNATL STEAMSHIP LIMITED | Private company limited by shares | Live |
| SUNAURA CO, LIMITED | Private company limited by shares | Dissolved |
| SUNAWAY LIMITED | Private company limited by shares | Live |
| Sunawning (Hong Kong) Leisure Products Co. Limited | Private company limited by shares | Live |
| SUNAWON KOREAN RESTAURANT LIMITED | Private company limited by shares | Dissolved |
| SUNAX CAPITAL LIMITED | Private company limited by shares | Live |
| SUNAX ELECTRONICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Sunay Co., Limited | Private company limited by shares | Live |
| SUNB TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SUNBAAL INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| Sunback Technology Limited | Private company limited by shares | Live |
| SUNBALANCE LIMITED | | Live |
| Sunball Electronics Co., Limited | Private company limited by shares | Live |
| SUNBAND INDUSTRIAL (HONGKONG) LIMITED | Private company limited by shares | Live |
| HK SUNBANG TECHNOLOGY LIMITED | Private company limited by shares | Live |