| SINGFAI INDUSTRIES (H.K.) COMPANY LIMITED | Private company limited by shares | Live |
| SINGFAI LOGISTICS HK CO., LIMITED | Private company limited by shares | Live |
| SINGFAR ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINGFENG TRADING LIMITED | Private company limited by shares | Dissolved |
| SingFest Limited | Company limited by guarantee | Live |
| SINGFIELD LIMITED | Private company limited by shares | Live |
| Singfire Trading Co., Limited | | Live |
| Singflux Environmental Hong Kong Limited | Private company limited by shares | Live |
| SINGFO SOLAR ENERGY CO., LIMITED | Private company limited by shares | Dissolved |
| SINGFOR LIMITED | Private company limited by shares | Dissolved |
| SINGFORD COMPANY LIMITED | Private company limited by shares | Dissolved |
| Hangzhou Singfu Group Co., Limited | Private company limited by shares | Live |
| Singfu Marine Co., Limited | Private company limited by shares | Live |
| SINGFUL TRANSPORTATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINGFULL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SingFuture Limited | Private company limited by shares | Live |
| SINGGA COMPANY LIMITED | Private company limited by shares | Live |
| SINGGAU INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| SINGGER FUR COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINGGIE SHIPPING LIMITED | Private company limited by shares | Live |
| SINGGIE TRADING COMPANY LIMITED | | Live |
| SINGH AND COMPANY LIMITED | Private company limited by shares | Dissolved |
| JT SINGH LIMITED | Private company limited by shares | Live |
| SINGH GPS LIMITED | | Live |
| Singh Cap Limited | | Live |
| BRAHAM SINGH & ASSOCIATES LIMITED | | Live |
| Singh Capital Limited | Private company limited by shares | Live |
| SINGH INT CO., LIMITED | Private company limited by shares | Live |
| KLINGEL ENKEMANN & SINGH, LIMITED | Private company limited by shares | Dissolved |
| SINGH ENTERPRISE PVT LIMITED | Private company limited by shares | Dissolved |
| Singh Exchange Limited | Private company limited by shares | Live |
| HARI SINGH & COMPANY LIMITED | Private company limited by shares | Live |
| T. Singh Brother Hong Kong Limited | Private company limited by shares | Live |
| SUN SINGH ENGINEERING (HONG KONG) LIMITED | | Live |
| GIAN SINGH & COMPANY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINGH SEMICONDUCTORS AND SYSTEMS LIMITED | Private company limited by shares | Live |
| SINGH SOLUTIONS LIMITED | Private company limited by shares | Live |
| MR SINGH TRADING LIMITED | Private company limited by shares | Live |
| Singh Trading Limited | Private company limited by shares | Live |
| SINGH BROTHER'S TRADING COMPANY LIMITED | Private company limited by shares | Live |
| SINGH WELFARE LIMITED | Company limited by guarantee | Live |
| SINGHA COMPANY, LIMITED | Private company limited by shares | Dissolved |
| Singha Asia Pacific Limited | | Live |
| SINGHAI GLOBAL LIMITED | Private company limited by shares | Live |
| SINGHAI INVESTMENT LIMITED | Private company limited by shares | Live |
| SINGHALL LIMITED | Private company limited by shares | Dissolved |
| SINGHAM LIMITED | Private company limited by shares | Live |
| Singhang (HK) Block Chain Technology Limited | Private company limited by shares | Live |
| SingHapiads Limited | | Live |
| SINGHENGTAI TRADE CO., LIMITED | | Live |
| SINGHFELLOWS LIMITED | Private company limited by shares | Live |
| SINGHI JEWELS LIMITED | Private company limited by shares | Live |
| SINGHIGH ELECTRICAL EQUIPMENT COMPANY LIMITED | Private company limited by shares | Live |
| SINGHIGH INTERNATIONAL IMPORT AND EXPORT CO., LIMITED | Private company limited by shares | Live |
| SINGHIGH INTERNATIONAL TRADE LIMITED | Private company limited by shares | Dissolved |
| Singhing Trade Co., Limited | | Live |
| Singhing (Hong Kong) Co., Limited | Private company limited by shares | Live |
| SINGHO ENTERPRISE LIMITED | Private company limited by shares | Live |
| SING-HO FINANCE COMPANY LIMITED | Private company limited by shares | Live |
| SING-HO (NOMINEE) LIMITED | Private company limited by shares | Live |
| SINGHON LIMITED | Private company limited by shares | Live |
| SINGHOTEX CO., LIMITED | Private company limited by shares | Dissolved |
| SINGH'S ELECTRONIC COMPANY LIMITED | Private company limited by shares | Live |
| SINGH'S EXCHANGE CO. LIMITED | Private company limited by shares | Live |
| SINGHUNGLOK COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINGHWA TRADING (HK) CO., LIMITED | Private company limited by shares | Live |
| SINGI TELE TRADE LIMITED | Private company limited by shares | Dissolved |
| SINGIN PRODUCTION COMPANY LIMITED | Private company limited by shares | Live |
| SINGING JOY LIMITED | Private company limited by shares | Live |
| A SINGING DOG LIMITED | Private company limited by shares | Live |
| SINGING LONG (ASIA) TRADE COMPANY LIMITED | Private company limited by shares | Live |
| HK ELDERLY SINGING DANCING ASSOCIATION LIMITED | Private company limited by shares | Live |
| SINGING MOON ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| CHINA SINGING BOWLS ASSOCIATION LIMITED | Private company limited by shares | Live |
| CHINA SINGING ENGLISH GROUP LIMITED | Private company limited by shares | Dissolved |
| DEER SINGING LIMITED | Private company limited by shares | Live |
| SINGING INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| ZHE JIANG SINGING SNOW KNITTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINGING PHOENIX RESTAURANT LIMITED -THE- | Private company limited by shares | Dissolved |
| SingiTel Networks Limited | Private company limited by shares | Live |
| Singja Industry Co., Limited | Private company limited by shares | Live |
| HongKong SINGJI Industry Group Limited | | Live |
| Singjik Trade Limited | Private company limited by shares | Live |
| SINGJOY TRADE LIMITED | Private company limited by shares | Live |
| SINGJYUN TRADING LIMITED | Private company limited by shares | Live |
| HK SINGK LIMITED | Private company limited by shares | Live |
| SingKai Corporation Limited | Private company limited by shares | Dissolved |
| SINGKAI INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINGKARAK LIMITED | Private company limited by shares | Dissolved |
| SINGKEL INVESTMENT LIMITED | Private company limited by shares | Live |
| SINGKIN LIMITED | Private company limited by shares | Dissolved |
| SINGKLE TECH LIMITED | Private company limited by shares | Dissolved |
| SINGKONG INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINGKONG SUPPLIERS LIMITED | Private company limited by shares | Dissolved |
| SINGKWONG (OVERSEAS) INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINGLAND ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINGLAR SOLUTION LIMITED | Private company limited by shares | Dissolved |
| 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 |