| OPTIMUS MACHINERY LIMITED | | Live |
| OPTIMUS CAPITAL MANAGEMENT INC LIMITED | Private company limited by shares | Dissolved |
| HY Optimus Capital Management Limited | | Live |
| OPTIMUS MEDICAL MANAGEMENT LIMITED | Private company limited by shares | Live |
| Optimus Medical Imagings Limited | Private company limited by shares | Live |
| Optimus Network Solutions Limited | Private company limited by shares | Live |
| Ocean Optimus Limited | Private company limited by shares | Live |
| OPTIMUS PACIFIC LIMITED | Private company limited by shares | Live |
| Optimus Pathways Company Limited | | Live |
| Optimus Planning Company Limited | Private company limited by shares | Live |
| OPTIMUS PROPERTIES LIMITED | Private company limited by shares | Live |
| OPTIMUS REALTY LIMITED | Private company limited by shares | Live |
| OPTIMUS RICH LIMITED | Private company limited by shares | Live |
| OPTIMUS SEARCH LIMITED | Private company limited by shares | Live |
| OPTIMUS SOLUTIONS LIMITED | Private company limited by shares | Live |
| Spina Optimus Limited | Private company limited by shares | Live |
| OPTIMUS DE TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Optimus Technology Limited | Private company limited by shares | Live |
| OPTIMUS SMART TECHNOLOGY LIMITED | | Live |
| OPTIMUS TRADING LIMITED | Private company limited by shares | Live |
| Optimus Trading Company Limited | | Live |
| OPTIMUS TRADING PRIVATE LIMITED | Private company limited by shares | Live |
| Optimuszone Limited | Private company limited by shares | Live |
| OPTIMUX (ASIA) LIMITED | Private company limited by shares | Live |
| OPTIMUX VALVES CORPORATION LIMITED | Private company limited by shares | Live |
| OPTIN LIMITED | Private company limited by shares | Live |
| OPTINETWORKS LIMITED | Private company limited by shares | Dissolved |
| Optinvest Limited | | Live |
| Optioil Limited | | Live |
| OPTION LIMITED | Private company limited by shares | Dissolved |
| OPTION LIMITED | Private company limited by shares | Live |
| CP OPTION LIMITED | Private company limited by shares | Dissolved |
| TOP OPTION LIMITED | Private company limited by shares | Live |
| ACE OPTION LIMITED | Private company limited by shares | Live |
| Option CC Limited | Private company limited by shares | Live |
| Option One Company Limited | Private company limited by shares | Live |
| X Option Limited | | Live |
| GS option Limited | | Live |
| OPTION CAR ACCESSORIES LIMITED | Private company limited by shares | Dissolved |
| Bach Option Limited | Private company limited by shares | Live |
| BEST OPTION INVESTMENTS LIMITED | Private company limited by shares | Live |
| CHINESE OPTION LIMITED | Private company limited by shares | Dissolved |
| DAILY OPTION LIMITED | Private company limited by shares | Live |
| OPTION ENTERPRISES LIMITED | | Live |
| FIRST OPTION LIMITED | Private company limited by shares | Live |
| SKY OPTION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| OPTION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Lead Option Limited | Private company limited by shares | Live |
| JILIN GUANQUN INTERNATIONAL OPTION MARKET TRADING SERVICE COMPANY LIMITED | Private company limited by shares | Dissolved |
| OPTION SMART INVESTMENTS LIMITED | Private company limited by shares | Live |
| BPR STAFF OPTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| BC STAFF OPTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| OPTION UNIFORM COMPANY LIMITED | Private company limited by shares | Live |
| OptionAutomator Limited | Private company limited by shares | Live |
| OPTIONFORTUNE LIMITED | Private company limited by shares | Live |
| OPTIONFORTUNE TRADE LIMITED | Private company limited by shares | Live |
| Optionhobby Limited | Private company limited by shares | Dissolved |
| Biz Options Limited | Private company limited by shares | Dissolved |
| DIG OPTIONS LIMITED | Private company limited by shares | Live |
| VGI OPTIONS LIMITED | Private company limited by shares | Dissolved |
| Options Limited | Private company limited by shares | Live |
| SMI OPTIONS Limited | Private company limited by shares | Live |
| ALL OPTIONS ASIA LIMITED | Private company limited by shares | Dissolved |
| ALL OPTIONS ASIA HOLDING LIMITED | Private company limited by shares | Dissolved |
| Best Options Limited -The- | Private company limited by shares | Live |
| FIRST OPTIONS LIMITED | Private company limited by shares | Dissolved |
| Gold Options Limited | | Live |
| T. OPTIONS INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Options Investments Limited | Private company limited by shares | Live |
| PACIFIC OPTIONS LIMITED | Private company limited by shares | Dissolved |
| RESOURCING OPTIONS LIMITED | Private company limited by shares | Live |
| Options Solution Limited | Private company limited by shares | Live |
| OptionScape HK Pty Limited | Private company limited by shares | Live |
| OPTIONSXPRESS INC. LIMITED | Private company limited by shares | Dissolved |
| OptiPaint Company Limited | Private company limited by shares | Live |
| MIDA OPTIPRODUCTS MANUFACTURING LIMITED | Private company limited by shares | Live |
| OPTIQE LIMITED | Private company limited by shares | Live |
| OPTIQUE LED LIMITED | Private company limited by shares | Dissolved |
| OPTIQUE OMNI (H.K.) LIMITED | Private company limited by shares | Dissolved |
| OPTIQUE INTERNATIONAL, LIMITED | Private company limited by shares | Dissolved |
| OPTIROAM LIMITED | Private company limited by shares | Live |
| OptiRom Co., Limited | Private company limited by shares | Live |
| OptiSky Eyewear Company Limited | | Live |
| OPTISOLUTION LIMITED | Private company limited by shares | Live |
| OPTISTORAGE (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| Opti-sun Trade Limited | Private company limited by shares | Live |
| Optisuns Vision Limited | Private company limited by shares | Live |
| Optitech Investments Limited | Private company limited by shares | Live |
| OptiTech Precision Mould Co., Limited | Private company limited by shares | Live |
| Optitek Limited | Private company limited by shares | Live |
| OPTITEX ASIA LIMITED | Private company limited by shares | Live |
| OptiTrade Pro Limited | | Live |
| OPTITUNE ASIA LIMITED | Private company limited by shares | Live |
| OPTIUM JOY LIMITED | Private company limited by shares | Live |
| OPTIVA LIMITED | Private company limited by shares | Live |
| OPTIVA ASIA, LIMITED | Private company limited by shares | Dissolved |
| Optiver Alternative Investments HK Limited | Private company limited by shares | Live |
| OPTIVER HOLDING HONG KONG LIMITED | Private company limited by shares | Live |
| OPTIVER INVESTMENT HONG KONG LIMITED | Private company limited by shares | Dissolved |
| OPTIVER TRADING HONG KONG LIMITED | Private company limited by shares | Live |