| Optima Home Furniture Co., Limited | Private company limited by shares | Live |
| HONG KONG OPTIMA BATHROOM SHARES CO., LIMITED | Private company limited by shares | Live |
| OPTIMA GLOBAL INVESTMENT (HONG KONG) LIMITED | Private company limited by shares | Live |
| OPTIMA (HONG KONG) MACHINERY COMPONENTS COMPANY LIMITED | Private company limited by shares | Live |
| HONGKONG OPTIMA INTEGRATED SANITARY WARE INVESTMENT LIMITED | Private company limited by shares | Live |
| OPTIMA IMCS LIMITED | Private company limited by shares | Dissolved |
| Optima Industrial Supply Limited | Private company limited by shares | Live |
| OPTIMA INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| Optima Innovation Limited | | Live |
| OPTIMA MEDICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| OPTIMA INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| OPTIMA INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SAN OPTIMA INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ENGLAND OPTIMA INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Optima Global International Services of Asia Limited | Private company limited by shares | Live |
| OPTIMA FACIAL TONE (INTERNATIONAL) LIMITED | Private company limited by shares | Dissolved |
| FRANCE OPTIMA DUPONT INT'L GROUP LIMITED | Private company limited by shares | Live |
| OPTIMA INVESTMENTS LIMITED | Private company limited by shares | Live |
| JOSEPH OPTIMA & CO. LIMITED | Private company limited by shares | Live |
| OPTIMA LEATHER GOODS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| OPTIMA LIFE LIMITED | | Live |
| OPTIMA MANUFACTURING LIMITED | Private company limited by shares | Live |
| OPTIMA MATERIAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Optima Health and Nutrition Limited | Private company limited by shares | Live |
| OPTIMA OPTRONICS LIMITED | Private company limited by shares | Dissolved |
| Optima Partners HK Limited | Private company limited by shares | Live |
| OPTIMA PROFESSIONAL TRAINING INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| OPTIMA PROPERTY HOLDING LIMITED | Private company limited by shares | Live |
| OPTIMA RCYCLING REGENERATION (HK) TECHNOLOGY LIMITED | Private company limited by shares | Live |
| OPTIMA REGISTRATIONS LIMITED | Private company limited by shares | Dissolved |
| Optima Securities Limited | Private company limited by shares | Live |
| FX OPTIMA SERVICES LIMITED | Private company limited by shares | Dissolved |
| OPTIMA SERVICES LIMITED | Private company limited by shares | Dissolved |
| OPTIMA MINING SERVICES LIMITED | | Live |
| OPTIMA SHINE LIMITED | Private company limited by shares | Live |
| OPTIMA SHIP MANAGEMENT CO., LIMITED | | Live |
| Optima Solution Limited | Private company limited by shares | Live |
| OPTIMA STEAMER WASHING HONG KONG LIMITED | Company limited by guarantee | Live |
| Optima Stone Limited | Private company limited by shares | Live |
| OPTIMA STONE GROUP LIMITED | Private company limited by shares | Live |
| OPTIMA STRATEGIES LIMITED | Private company limited by shares | Live |
| OPTIMA SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| Optima Tech Innovations Limited | | Live |
| OPTIMA TECHNOLOGY (ASIA) LIMITED | Private company limited by shares | Dissolved |
| SPACE TIME OPTIMA LIMITED | Private company limited by shares | Live |
| OPTIMA TRADE LIMITED | | Live |
| OPTIMA TRADING LIMITED | Private company limited by shares | Live |
| OPTIMA TRADING LIMITED | Private company limited by shares | Live |
| Optima Envision Ventures Limited | Private company limited by shares | Live |
| GLOBAL OPTIMA VENTURES (HK) LIMITED | Private company limited by shares | Dissolved |
| Wise Optima Co Limited | Private company limited by shares | Live |
| Optimac Limited | Private company limited by shares | Dissolved |
| OPTIMAG LIMITED | Private company limited by shares | Dissolved |
| OPTIMAG Hong Kong Limited | Private company limited by shares | Dissolved |
| OPTIMAG MAGNETIC LIMITED | Private company limited by shares | Dissolved |
| OPTIMAGE LIMITED | Private company limited by shares | Live |
| Optimajet Limited | | Live |
| OPTIMAL KEY LIMITED | Private company limited by shares | Live |
| Optimal Ads Limited | Private company limited by shares | Live |
| Optimal Bnb Limited | Private company limited by shares | Live |
| Optimal 118 Limited | Private company limited by shares | Live |
| Optimal Limited | | Live |
| OPTIMAL ADVISORS LIMITED | Private company limited by shares | Dissolved |
| OPTIMAL AESTHETICS LIMITED | Private company limited by shares | Live |
| Optimal Asia Limited | Private company limited by shares | Live |
| Optimal Axis Limited | Private company limited by shares | Live |
| Optimal Business Performance Limited | Private company limited by shares | Live |
| OPTIMAL CHEER (HONG KONG) LIMITED | Private company limited by shares | Live |
| OPTIMAL CHENG COMPANY LIMITED | Private company limited by shares | Live |
| OPTIMAL CHINA (HK) LIMITED | Private company limited by shares | Live |
| OPTIMAL CHINA INVESTMENT SERVICE LIMITED | Private company limited by shares | Dissolved |
| OPTIMAL (CHINA) MACHINERY CO., LIMITED | Private company limited by shares | Live |
| Optimal Choice Limited | | Live |
| Chuanglai Optimal (HK) Co., Limited | Private company limited by shares | Live |
| OPTIMAL 3D SOLUTIONS CO., LIMITED | Private company limited by shares | Dissolved |
| OPTIMAL SOURCES CO., LIMITED | Private company limited by shares | Dissolved |
| Optimal Trade Co., Limited | Private company limited by shares | Live |
| YUNJI OPTIMAL (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| Optimal Health Collaboration Limited | Private company limited by shares | Live |
| OPTIMAL COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| OPTIMAL COMPETENCE LIMITED | Private company limited by shares | Live |
| Optimal Consultancy Company Limited | Private company limited by shares | Live |
| OPTIMAL CONSULTANTS LIMITED | Private company limited by shares | Live |
| OPTIMAL CONSULTING LIMITED | Private company limited by shares | Live |
| Optimal Human Resources Consulting Limited | Private company limited by shares | Live |
| OPTIMAL JEWELLERY DESIGN & CONSULTANT LIMITED | Private company limited by shares | Dissolved |
| Optimal Electronics Limited | Private company limited by shares | Live |
| ASIA BROTHERS OPTIMAL ENERGY CO., LIMITED | Private company limited by shares | Live |
| OPTIMAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| OPTIMAL ENTERPRISE LIMITED | Private company limited by shares | Live |
| OPTIMAL EQUITY LIMITED | Private company limited by shares | Live |
| OPTIMAL FOCUS LIMITED | Private company limited by shares | Live |
| OPTIMAL GAINS LIMITED | Private company limited by shares | Dissolved |
| Optimal Gene Limited | Private company limited by shares | Live |
| OPTIMAL GROUP LIMITED | Private company limited by shares | Dissolved |
| Optimal Galaxy Group Limited | Private company limited by shares | Live |
| Optimal Sources Group Limited | Private company limited by shares | Live |
| OPTIMAL GROUP (UK) LIMITED | Private company limited by shares | Live |
| OPTIMAL HEALTH CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| Optimal Health Cooperation Limited | Private company limited by shares | Live |