| PACIFIC TELECOM (HK) LIMITED | Private company limited by shares | Dissolved |
| PENGBO Telecom (H.K.) Limited | Private company limited by shares | Live |
| PETAS TELECOM (H.K.) LIMITED | Private company limited by shares | Dissolved |
| PHONEMAX TELECOM (H.K.) LIMITED | Private company limited by shares | Dissolved |
| PORTAL TELECOM (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Prosperllion Telecom (HK) Limited | | Live |
| PUTIAN TELECOM (HK) CO., LIMITED | Private company limited by shares | Live |
| PUTIAN TELECOM (HK) INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SAKA TELECOM (HK) CO. LIMITED | Private company limited by shares | Dissolved |
| SANDY TELECOM (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SATURN TELECOM (HK) LIMITED | Private company limited by shares | Dissolved |
| SENLEE TELECOM (HK) LIMITED | Private company limited by shares | Live |
| Shiduhui (HK) Telecom Limited | Private company limited by shares | Live |
| HOP SHING TELECOM (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SMARL TELECOM (H.K.) LIMITED | Private company limited by shares | Dissolved |
| TELECOM SOLUTION (HK) LIMITED | Private company limited by shares | Dissolved |
| SPEEDWAY TELECOM (HK) LIMITED | Private company limited by shares | Live |
| STANDARD TELECOM (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| 7 STAR TELECOM (HK) LIMITED | Private company limited by shares | Live |
| SUMGENIUS TELECOM (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUNSHINE TELECOM (HK) LIMITED | Private company limited by shares | Live |
| SUNWEI (HK) TELECOM LIMITED | Private company limited by shares | Live |
| SOLAR SYSTEM TELECOM (H.K.) LIMITED | Private company limited by shares | Live |
| COSY TALK TELECOM (HK) LIMITED | Private company limited by shares | Dissolved |
| TALK2ALL TELECOM (HK) LIMITED | Private company limited by shares | Live |
| TECHNOLOGY TELECOM (H.K.) LIMITED | Private company limited by shares | Live |
| Telecom (H.K.) Technology Limited | Private company limited by shares | Live |
| Hicorpwell Telecom (HK) Technology Co., Limited | Private company limited by shares | Live |
| ASIA (H.K.) NETWORK TELECOM TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SHUNYE (HK) TELECOM TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| CHINA TELEVISION & TELECOM (H.K.) LIMITED | Private company limited by shares | Dissolved |
| TELMILEC - TELECOM & MICROELECTRONICS (HK) LIMITED | Private company limited by shares | Dissolved |
| T-ONE TELECOM (HK) LIMITED | Private company limited by shares | Live |
| LI TONG (H.K.) TELECOM COMPANY LIMITED | Private company limited by shares | Live |
| TOYO (HK) TELECOM LIMITED | Private company limited by shares | Dissolved |
| TELECOM TRADING (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHINA TREASURE TELECOM (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Trusty Telecom (HK) Limited | Private company limited by shares | Live |
| UMTEK TELECOM (HK) LIMITED | Private company limited by shares | Live |
| UNIQUE TELECOM (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| ASIA UNITED (HK) TELECOM LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL TELECOM (H.K.) LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL TELECOM (HK) CO., LIMITED | | Live |
| VTEL TELECOM (HK) LIMITED | Private company limited by shares | Dissolved |
| WANBAO TELECOM (H.K.) COMPANY, LIMITED | Private company limited by shares | Live |
| Wason Telecom (H.K) Limited | Private company limited by shares | Dissolved |
| WELL TELECOM (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| WIFLY (HK) TELECOM LIMITED | Private company limited by shares | Dissolved |
| ZHIZHEN (HK) TELECOM LIMITED | Private company limited by shares | Dissolved |
| Zone Telecom (HK) Limited | Private company limited by shares | Dissolved |
| HKFILIPINO TELECOM LIMITED | Private company limited by shares | Dissolved |
| HKINDO TELECOM LIMITED | Private company limited by shares | Dissolved |
| ASIA TELECOM HOLDING LIMITED | Private company limited by shares | Dissolved |
| WAFER TELECOM HOLDING LIMITED | Private company limited by shares | Dissolved |
| ULT TELECOM HOLDINGS LIMITED | Private company limited by shares | Live |
| TELECOM HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| GUO MEI TELECOM HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| Dee Telecom Holdings HK Limited | Private company limited by shares | Live |
| TELECOM HOLDINGS LIMITED | Private company limited by shares | Live |
| NEW TELECOM HOLDINGS LIMITED | Private company limited by shares | Live |
| ANDREA TELECOM HOLDINGS LIMITED | Private company limited by shares | Live |
| Asia Telecom Holdings Limited | | Live |
| CHINA TELECOM HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| CHINA GREATWALL TELECOM HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| Datang Telecom Holdings Group Limited | Private company limited by shares | Live |
| EPRO TELECOM HOLDINGS LIMITED | Private company limited by shares | Live |
| CCT TELECOM HOLDINGS CHARITABLE FOUNDATION LIMITED | Company limited by guarantee | Live |
| GLOBAL NETWORK TELECOM HOLDINGS LIMITED | Private company limited by shares | Live |
| CHINA-STAR TELECOM HOLDINGS (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG JL TELECOM HOLDINGS LIMITED | Private company limited by shares | Live |
| NEBULA TELECOM HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| FORTUNE TELECOM RETAIL CHAIN HOLDINGS LIMITED | Private company limited by shares | Live |
| RIGHT SKY TELECOM HOLDINGS LIMITED | Private company limited by shares | Live |
| ROUTEXE TELECOM HOLDINGS LIMITED | Private company limited by shares | Live |
| SANDA TELECOM HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| SATELLITE TELECOM (HOLDINGS) GROUP LIMITED | Private company limited by shares | Dissolved |
| SPEEDY TELECOM HOLDINGS LIMITED | Private company limited by shares | Live |
| HK INSTANTANEOUS TONG TELECOM HOLDINGS LIMITED | Private company limited by shares | Live |
| TUNG BO TELECOM (HOLDINGS) LIMITED | Private company limited by shares | Live |
| CHINA UNITED TELECOM (HOLDINGS) LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL TELECOM HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| WHOLESWITCH TELECOM HOLDINGS LIMITED | Private company limited by shares | Live |
| YUHUA TELECOM HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| HONA Telecom Limited | Private company limited by shares | Live |
| Honcen Telecom International Limited | Private company limited by shares | Dissolved |
| DRAGON HONEST ASIA TELECOM LIMITED | Private company limited by shares | Dissolved |
| HONG YI TELECOM LIMITED | Private company limited by shares | Dissolved |
| AECT (HONG KONG) TELECOM LIMITED | Private company limited by shares | Dissolved |
| ALPHANET TELECOM (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Apps Telecom Hong Kong Limited | Private company limited by shares | Live |
| HONG KONG ASIA TELECOM LIMITED | Private company limited by shares | Live |
| Bester Telecom Hong Kong Limited | Private company limited by shares | Live |
| HONG KONG CHENGJI TELECOM LIMITED | Private company limited by shares | Live |
| CHINA AND HONG KONG TELECOM ENGINEERING COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 20-Nov-2015 |
| NEW CHINA HONG KONG TELECOM LIMITED -THE- | Private company limited by shares | Dissolved |
| HONG KONG CHINA TELECOM COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHINA TELECOM (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| CHINA VIRTUAL TELECOM (HONG KONG) LIMITED | Private company limited by shares | Live |
| CHUNGHWA TELECOM (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG HOPE TELECOM CO., LIMITED | Private company limited by shares | Live |