| THEOPALD LIMITED | Private company limited by shares | Dissolved |
| FRANCE THEOPHILA&QUEEN JEWELERY CO., LIMITED | Private company limited by shares | Live |
| THEOPO COMPANY LIMITED | Private company limited by shares | Dissolved |
| THEOREMWORKS LIMITED | Private company limited by shares | Live |
| theOrigo Limited | Private company limited by shares | Live |
| Chinese Calligraphy Theorist Association Limited | Private company limited by shares | Live |
| NEW THEORY LIMITED | Private company limited by shares | Dissolved |
| HAN THEORY LIMITED | Private company limited by shares | Dissolved |
| THEORY LIMITED | Private company limited by shares | Live |
| TAO TIN THEORY LIMITED | Private company limited by shares | Live |
| theory theory Limited | | Live |
| NEO BUSINESS THEORY LIMITED | Private company limited by shares | Live |
| Happy Theory Limited | Private company limited by shares | Live |
| HongKong Landau Theory Of Phase Transition Technology Limited | | Live |
| NEW THEORY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| iONE THEORY LIMITED | Private company limited by shares | Live |
| LINKING THEORY LIMITED | Private company limited by shares | Live |
| Next Theory Limited | Private company limited by shares | Live |
| Skin Theory Company Limited | Private company limited by shares | Live |
| NEW SOCIAL THEORY LIMITED | | Live |
| Time Theory Limited | | Live |
| Theorycraft Asia Pacific Limited | | Live |
| THEOS HK LIMITED | Private company limited by shares | Dissolved |
| THEOS MEDICAL SYSTEMS LIMITED | Private company limited by shares | Live |
| THEOS CYBER SOLUTIONS LIMITED | Private company limited by shares | Live |
| THEOSGRID LIMITED | Private company limited by shares | Dissolved |
| Theotech Solutions Limited | | Live |
| THEOTRONICS LIMITED | Private company limited by shares | Dissolved |
| CHAOZHOU THEOYA CERAMICS LIMITED | Private company limited by shares | Live |
| ThePaper Co. Limited | Private company limited by shares | Live |
| THEPARTNERS LIMITED | Private company limited by shares | Dissolved |
| ThePetitPelican Limited | Private company limited by shares | Live |
| THEPILLS Co., Limited | Private company limited by shares | Live |
| THEPIN COMPANY LIMITED | Private company limited by shares | Dissolved |
| THEPOINTOFSALE.HK LIMITED | Private company limited by shares | Live |
| THE-PRINT-MASTERS LIMITED | Private company limited by shares | Live |
| THEQUEENNEST COMPANY LIMITED | Private company limited by shares | Live |
| Speech TheraCare Limited | Private company limited by shares | Live |
| Theracode Trading Limited | | Live |
| THERACOS LIMITED | Private company limited by shares | Live |
| THERAFIT LIMITED | Private company limited by shares | Live |
| THERALOGIC LIMITED | Private company limited by shares | Live |
| Theramed Limited | Private company limited by shares | Live |
| LA THERAP CO., LIMITED | Private company limited by shares | Live |
| ROSENSUAL NATUROPATHIC THERAPAY TREATMENT CENTRE LIMITED | Private company limited by shares | Dissolved |
| TheraPeads Limited | Private company limited by shares | Live |
| Therapeautic Limited | | Live |
| CENTRAL CHIROPRACTIC THERAPEUTIC CENTRE LIMITED | Private company limited by shares | Live |
| Oma Clinical Psychology Integrated Therapeutic Centre Limited | Private company limited by shares | Live |
| FOK WING CHINESE MEDICAL & THERAPEUTICAL CENTRE LIMITED | Private company limited by shares | Live |
| TA Therapeutics Limited | Private company limited by shares | Dissolved |
| LAB RMS THERAPEUTICS LIMITED | Private company limited by shares | Live |
| SCI Therapeutics Limited | Private company limited by shares | Live |
| BK Therapeutics Limited | Private company limited by shares | Live |
| GS Therapeutics Limited | Private company limited by shares | Live |
| RG Therapeutics Limited | Private company limited by shares | Live |
| UTC Therapeutics Limited | Private company limited by shares | Live |
| EMP THERAPEUTICS LIMITED | Private company limited by shares | Live |
| APM Therapeutics Limited | Private company limited by shares | Live |
| M6P Therapeutics Limited | Private company limited by shares | Live |
| LTZ Therapeutics Limited | | Live |
| IBT Therapeutics Limited | | Live |
| OD Therapeutics Limited | | Live |
| AbCellent Therapeutics Limited | Private company limited by shares | Live |
| ABRAM Therapeutics Limited | | Live |
| AccuGen Therapeutics Limited | Private company limited by shares | Live |
| Accuredit Therapeutics Hongkong Limited | Private company limited by shares | Live |
| AceLink Therapeutics HK Limited | Private company limited by shares | Live |
| AEGIS THERAPEUTICS CO. LIMITED | Private company limited by shares | Live |
| AIDGENE THERAPEUTICS INC. LIMITED | Private company limited by shares | Dissolved |
| NORTH AMERICAN GENE DIAGNOSTICS AND THERAPEUTICS LIMITED | Private company limited by shares | Live |
| APRINOIA Therapeutics Limited | Private company limited by shares | Live |
| Aptacure Therapeutics Limited | Private company limited by shares | Live |
| Therapeutics Atelier Limited | Private company limited by shares | Live |
| Axis Therapeutics Limited | Private company limited by shares | Live |
| Base Therapeutics (HK), Limited | Private company limited by shares | Live |
| Harbour BioMed Therapeutics Limited | Private company limited by shares | Live |
| Black Marlin Therapeutics Limited | Private company limited by shares | Live |
| CAPO THERAPEUTICS LIMITED | Private company limited by shares | Live |
| Cello Therapeutics Limited | | Live |
| Innovative Cellular Therapeutics Limited | Private company limited by shares | Live |
| IVIEW Therapeutics China Co. Limited | Private company limited by shares | Live |
| Cloudbreak Therapeutics Limited | Private company limited by shares | Live |
| Cognesy Therapeutics HK Limited | | Live |
| CombiForm Therapeutics Limited | Private company limited by shares | Dissolved |
| CONSTELLATION THERAPEUTICS LIMITED | Private company limited by shares | Live |
| DIVERSIFIED THERAPEUTICS LIMITED | Private company limited by shares | Dissolved |
| DragonKnight Therapeutics Limited | Private company limited by shares | Live |
| Editact Therapeutics Limited | | Live |
| ETERNAL THERAPEUTICS LIMITED | Private company limited by shares | Live |
| Fgen Therapeutics Limited | Private company limited by shares | Live |
| Gardedam Therapeutics Limited | Private company limited by shares | Live |
| GLOBAL THERAPEUTICS LIMITED | Private company limited by shares | Dissolved |
| Hawthorn Therapeutics (HK) Limited | Private company limited by shares | Live |
| HEBO THERAPEUTICS LIMITED | Private company limited by shares | Live |
| Hepagene Therapeutics (HK) Limited | Private company limited by shares | Live |
| HERCULES THERAPEUTICS GROUP COMPANY LIMITED | Private company limited by shares | Live |
| SanReno Therapeutics (Hong Kong) Limited | | Live |
| IMMTECH THERAPEUTICS LIMITED | Private company limited by shares | Dissolved |
| Innolix Therapeutics Limited | Private company limited by shares | Live |