| T.T. LIMITED | Private company limited by shares | Dissolved |
| T.T. INVESTMENT (CHINA) LIMITED | Private company limited by shares | Live |
| SUNRISE (TT) CO., LIMITED | Private company limited by shares | Live |
| T.T. CAN FACTORY LIMITED | Private company limited by shares | Live |
| T.T. 121 FASHION LIMITED | Private company limited by shares | Dissolved |
| T.T. Fast Co Limited | Private company limited by shares | Dissolved |
| T.T. GROUP COMPANY LIMITED | Private company limited by shares | Dissolved |
| GOVI T.T. (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| MUSCLE T.T. LIMITED | Private company limited by shares | Live |
| T.T. BARTON AND SONS LIMITED | Private company limited by shares | Dissolved |
| T.T. CAVENDISH AND SONS LIMITED | Private company limited by shares | Dissolved |
| T.T. TOPLEY & COMPANY LIMITED | Private company limited by shares | Dissolved |
| T.T. Fruits Trading Limited | Private company limited by shares | Live |
| TT88 LIMITED | | Live |
| TT&A COMPANY LIMITED | Private company limited by shares | Live |
| T.T.A. Concepts Limited | Private company limited by shares | Live |
| TTAC Limited | Private company limited by shares | Dissolved |
| TTAF ELECTRONIC MANUFACTORY COMPANY LIMITED | Private company limited by shares | Live |
| TTAF (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| TTAGS LIMITED | Private company limited by shares | Live |
| TTASoft Consulting Limited | Private company limited by shares | Live |
| T.T.B. JEWELLERY COMPANY LIMITED | Private company limited by shares | Dissolved |
| TTBC INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TTBC Trading Limited | Private company limited by shares | Live |
| TTBS LIMITED | | Live |
| TTBT LIMITED | Private company limited by shares | Live |
| TT&C CO. LIMITED | Private company limited by shares | Dissolved |
| T.T.C. ASIA LIMITED | Private company limited by shares | Live |
| SOON FUNG (TTC) LIMITED | Private company limited by shares | Dissolved |
| T.T.C. (HOLDINGS) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG T.T.C. COMPANY LIMITED | Private company limited by shares | Live |
| T.T.C. TEXTILE LIMITED | Private company limited by shares | Dissolved |
| TT-CARGO CO., LIMITED | Private company limited by shares | Live |
| TTCC Limited | Private company limited by shares | Dissolved |
| T.T.CHING COMPANY LIMITED | | Live |
| TT&Co Asia Limited | Private company limited by shares | Live |
| TTcoinx Trade Limited | Private company limited by shares | Live |
| TTCtrl Limited | Private company limited by shares | Live |
| TTDY INTERNATIONAL TRADING (HK) LIMITED | Private company limited by shares | Dissolved |
| T-Team Limited | Private company limited by shares | Live |
| TTec Limited | Private company limited by shares | Live |
| Trinid TTEC Co., Limited | | Live |
| TTEC E&M ENGINEERING LIMITED | Private company limited by shares | Live |
| T-TEC Handels GmbH Limited | | Live |
| T-TEC CHINA (HK) CO., LIMITED | Private company limited by shares | Live |
| TTEC Innovation and Techology Co Limited | Private company limited by shares | Live |
| T-Tech Co., Limited | Private company limited by shares | Live |
| T-TECH Electronics Limited | Private company limited by shares | Live |
| T-TECH Engineering Company Limited | | Live |
| TTech Global Service Limited | Private company limited by shares | Live |
| T-TECH GROUP CO., LIMITED | Private company limited by shares | Live |
| T-TECH INDUSTRIAL LIMITED | Private company limited by shares | Live |
| TTECH (CHINA) INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| T-TECH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| TTech Technology Company Limited | Private company limited by shares | Live |
| T-teck HK Limited | | Live |
| T.TEK TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| TTERRAJ LIMITED | Private company limited by shares | Live |
| E T-Tex Enterprise Limited | Private company limited by shares | Live |
| T.TEX (ENTERPRISES) LIMITED | Private company limited by shares | Live |
| T-TEX HOLDING COMPANY LIMITED | Private company limited by shares | Live |
| TTFC Limited | Private company limited by shares | Live |
| TTFORTEE LIMITED | | Live |
| TTFXX LIMITED | Private company limited by shares | Live |
| TTG3M Limited | Private company limited by shares | Live |
| TTGL Company Limited | Private company limited by shares | Live |
| TT-GZ LIMITED | Private company limited by shares | Live |
| Tthot Limited | | Live |
| T.T.H.Q. LIMITED | Private company limited by shares | Live |
| T-Three Limited | Private company limited by shares | Live |
| T.T.I LIMITED | Private company limited by shares | Live |
| WINGS TTI. EXPRESS COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK TTIC LIMITED | Private company limited by shares | Live |
| ITALY TTIESSIETOM INT'L GROUP LIMITED | Private company limited by shares | Live |
| T-TIME LIMITED | Private company limited by shares | Live |
| TTIMES FASHION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TTIMES (HK) LIMITED | Private company limited by shares | Dissolved |
| TTING LIMITED | Private company limited by shares | Live |
| TTInternational Asia Limited | Private company limited by shares | Live |
| GERMANY TTIUMPH COSMETIC INTERNATIONAL GROUP LIMITED | Private company limited by shares | Dissolved |
| TTjewelry Co., Limited | Private company limited by shares | Live |
| TTJK INT'L AUTOCONTROL SYSTEM CO., LIMITED | Private company limited by shares | Dissolved |
| TTJK INT'L AUTOCONTROL SYSTEM CO., LIMITED | | Live |
| TTKG Industrial Trading Limited | Private company limited by shares | Live |
| TTKR LIMITED | Private company limited by shares | Live |
| TTLH Limited | Private company limited by shares | Live |
| TTLI LIMITED | Private company limited by shares | Live |
| TTLUXE LIMITED | Private company limited by shares | Live |
| TTLX HK LIMITED | Private company limited by shares | Live |
| TTMC INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TTMCL HOLDING COMPANY LIMITED | | Live |
| TTMG Limited | Private company limited by shares | Live |
| TTNKS Limited | Private company limited by shares | Live |
| TTOA IPERMIT SERVICE CENTRE LIMITED | Private company limited by shares | Live Commenced dormancy on 12-Mar-2014 |
| T-Top Express Hong Kong Company Limited | Private company limited by shares | Live |
| Hong Kong TTop Technology Co., Limited | | Live |
| T&TOP INTERNATIONAL LIMITED | Private company limited by shares | Live |
| T-TOP TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Ttoper Limited | Private company limited by shares | Live |
| TTOYS LIMITED | Private company limited by shares | Live |