| SINCERE ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINCERE CAPITAL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINCERE CARE (HONG KONG) COMPANY LIMITED | | Live |
| GRAND SINCERE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINCERE LUCK HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SINCERE INVESTMENT (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINCERE LAND ASIA LIMITED | Private company limited by shares | Dissolved |
| SINCERE LAND INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINCERE LANE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINCERE LEADER LIMITED | Private company limited by shares | Live |
| LEGEND SINCERE LIMITED | Private company limited by shares | Dissolved |
| LEGEND SINCERE LIMITED | Private company limited by shares | Live |
| SINCERE LIFE ASSURANCE COMPANY LIMITED -THE- | Public company limited by shares | Live |
| SINCERE LINE LIMITED | Private company limited by shares | Dissolved |
| SINCERE LINK LIMITED | Private company limited by shares | Dissolved |
| SINCERE LINK LIMITED | Private company limited by shares | Live |
| SINCERE LINK LIMITED | Private company limited by shares | Live |
| SINCERE LINK ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINCERE LINK INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINCERE LINKER LIMITED | Private company limited by shares | Dissolved |
| LONG SINCERE LIMITED | Private company limited by shares | Dissolved |
| SINCERE LOYAL LIMITED | Private company limited by shares | Dissolved |
| SINCERE LUCK LIMITED | Private company limited by shares | Dissolved |
| SINCERE LUCK LIMITED | Private company limited by shares | Live |
| LUCKY SINCERE LIMITED | Private company limited by shares | Live |
| MAIN SINCERE LIMITED | Private company limited by shares | Live |
| SINCERE MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| SINCERE BRAND MANAGEMENT LIMITED | Private company limited by shares | Live |
| CHINA SINCERE MANAGEMENT LIMITED | Private company limited by shares | Live |
| Sincere Grace Management Company Limited | Private company limited by shares | Live |
| SINCERE LINK ASSET MANAGEMENT LIMITED | Private company limited by shares | Live |
| SINCERE MANNER ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SINCERE APPLIANCE MANUFACTURING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINCERE MASTER LIMITED | Private company limited by shares | Live |
| MASTER SINCERE INVESTMENT LIMITED | Private company limited by shares | Live |
| SINCERE MATE LIMITED | Private company limited by shares | Dissolved |
| TOP SINCERE PLASTIC MATERIAL LIMITED | Private company limited by shares | Dissolved |
| Advanced & Sincere Materials Co., Limited | Private company limited by shares | Live |
| SINCERE MATERIALS TRADING CO. LIMITED | Private company limited by shares | Dissolved |
| Sincere Medical Beauty Limited | Private company limited by shares | Live |
| SINCERE MEDICAL CENTRE LIMITED | Private company limited by shares | Live |
| SINCERE CARE MEDICINES LIMITED | Private company limited by shares | Dissolved |
| SINCERE MERCHANDISING & COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINCERE MIND LIMITED | Private company limited by shares | Dissolved |
| SINCERE MIND LIMITED | Private company limited by shares | Live |
| Sincere Mobility Limited | | Live |
| MODE SINCERE LIMITED | Private company limited by shares | Live |
| MODERN SINCERE LIMITED | Private company limited by shares | Dissolved |
| SINCERE MOMENT LIMITED | | Live |
| Sincere Mortgage Company Limited | Private company limited by shares | Live |
| SINCERE MOTORS, LIMITED | Private company limited by shares | Dissolved |
| SINCERE MOTORS NETWORK COMPANY LIMITED | Private company limited by shares | Live |
| SINCERE MUTUAL AID ASSOCIATION LIMITED -THE- | Company limited by guarantee | Dissolved |
| SINCERE NAVIGATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| NICE SINCERE WIN LIMITED | Private company limited by shares | Dissolved |
| SINCERE NICE LIMITED | Private company limited by shares | Live |
| Sincere (North Asia) Limited | | Live |
| SINCERE OCEAN LIMITED | Private company limited by shares | Live |
| SINCERE EDUCATIONAL ORGANISATION LIMITED | Company limited by guarantee | Dissolved |
| R&L ORIENT SINCERE COMPANY LIMITED | Private company limited by shares | Live |
| SINCERE ORIENTAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINCERE ORIENTAL TRADE LIMITED | Private company limited by shares | Live |
| SINCERE OVERSEAS JEWELLERY LIMITED | Private company limited by shares | Live |
| SINCERE PACIFIC LIMITED | Private company limited by shares | Dissolved |
| SINCERE PACIFIC LIMITED | Private company limited by shares | Dissolved |
| SINCERE PAGING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINCERE PARAGON LIMITED | Private company limited by shares | Live |
| SINCERE PASS LIMITED | Private company limited by shares | Live |
| SINCERE COMPANY (PERFUMERY MANUFACTURERS), LIMITED -THE- | Public company limited by shares | Live |
| SINCERE PLACE LIMITED | Private company limited by shares | Dissolved |
| SINCERE PLUS LIMITED | Private company limited by shares | Dissolved |
| SINCERE POOL LIMITED | Private company limited by shares | Dissolved |
| SINCERE POWER LIMITED | Private company limited by shares | Dissolved |
| Sincere Power Co. Limited | Private company limited by shares | Live |
| SINCERE PRINTING LIMITED | Private company limited by shares | Dissolved |
| SINCERE PRINTING MACHINERY COMPANY LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL SINCERE PRINTING LIMITED | Private company limited by shares | Dissolved |
| SINCERE PRODUCTION LIMITED | Private company limited by shares | Dissolved |
| SINCERE PRODUCTIONS COMPANY LIMITED | Private company limited by shares | Live |
| WISON (SINCERE) PRODUCTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINCERE PROPERTIES LIMITED | Private company limited by shares | Live |
| BEST SINCERE PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| SINCERE GOLD PROPERTIES LIMITED | Private company limited by shares | Live |
| SINCERE PROPERTY LIMITED | Private company limited by shares | Dissolved |
| SINCERE PROPERTY COMPANY LIMITED | Private company limited by shares | Live |
| Sincere Property Agency Limited | Private company limited by shares | Dissolved |
| SINCERE PROPERTY INVESTMENTS LIMITED | Private company limited by shares | Live |
| Sincere Prosperous Enterprise Limited | Private company limited by shares | Live |
| PURE. SINCERE COMPANY LIMITED | Private company limited by shares | Live |
| SINCERE RANK LIMITED | Private company limited by shares | Dissolved |
| SINCERE REACH LIMITED | Private company limited by shares | Live |
| SINCERE REALTY LIMITED | Private company limited by shares | Dissolved |
| SINCERE REALTY LIMITED | Private company limited by shares | Dissolved |
| HK SINCERE REFRACTORIES CO., LIMITED | Private company limited by shares | Dissolved |
| SINCERE REGENT LIMITED | Private company limited by shares | Dissolved |
| SINCERE REGISTRATIONS LIMITED | Private company limited by shares | Dissolved |
| SINCERE CARE REHABILITATION CO. LIMITED | Private company limited by shares | Dissolved |
| SINCERE RESOURCES LIMITED | Private company limited by shares | Live |
| SINCERE TEAM RESOURCES LIMITED | Private company limited by shares | Dissolved |
| SINCERE RESTAURANT LIMITED | Private company limited by shares | Live |