| OPOLA (HK) COSMETIC LIMITED | Private company limited by shares | Live |
| OPOLA (HONGKONG) PRINK COSMETOLOGY SUPPLIES LIMITED | Private company limited by shares | Live |
| OPOLLO GROUP LIMITED | Private company limited by shares | Live |
| OPOLO Limited | Private company limited by shares | Live |
| FRANCE OPOMAN INTERNATIONAL GROUP (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| OPON LIMITED | Private company limited by shares | Dissolved |
| OPORTUNIDAD LIMITED | Private company limited by shares | Dissolved |
| Oposen Limited | | Live |
| SCREE OPOTOELECTRONICS (HK) CO., LIMITED | Private company limited by shares | Live |
| OPOWER LIMITED | Private company limited by shares | Live |
| AJA O-Power Limited | | Live |
| OPPA - CUP BOP LIMITED | Private company limited by shares | Live |
| OPPA 88 Limited | Private company limited by shares | Live |
| Captain Oppa Limited | Private company limited by shares | Live |
| OPPA CARDS LIMITED | | Live |
| OPPA CORPORATION LIMITED | Private company limited by shares | Live |
| Oppa Event Limited | | Live |
| OPPA FFBD COMPANY LIMITED | Private company limited by shares | Live |
| OPPA GROUP LIMITED | Private company limited by shares | Live |
| Oppa Catering Group Limited | | Live |
| OPPA HEALTH CARE LIMITED | | Live |
| Oppa Holding Limited | | Live |
| OPPA (HONG KONG) LIMITED | Private company limited by shares | Live |
| OPPA INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| Angry Oppa International Limited | Private company limited by shares | Live |
| OPPA MART LIMITED | Private company limited by shares | Live |
| OPPA NOONA Photo Studio Limited | Private company limited by shares | Live |
| Oppa Solution Limited | | Live |
| OPPA Solutions Limited | Private company limited by shares | Live |
| OPPA SYSTEM LIMITED | Private company limited by shares | Live |
| OPPAEIEIH ZHONGSHAN CO., LIMITED | Private company limited by shares | Live |
| Oppama Limited | Private company limited by shares | Live |
| OPPDER LIMITED | Private company limited by shares | Dissolved |
| GUANGDONG OPPEIM SHARE LIMITED | Private company limited by shares | Live |
| HK OPPEIN ELECTRIC APPLIANCE LIMITED | Private company limited by shares | Live |
| FOSHAN OPPEIN CERAMIC SANITARY WARE CO., LIMITED | Private company limited by shares | Live |
| Guangdong Oppein Home Group Limited | Private company limited by shares | Dissolved |
| OPPENHEIMER LIMITED | Private company limited by shares | Live |
| J.C. OPPENHEIMER COMPANY LIMITED | | Live |
| OppenheimerFunds International Distributor Limited | Private company limited by shares | Dissolved |
| Opperty Group Co., Limited | Private company limited by shares | Live |
| OPPIAN LIMITED | Private company limited by shares | Dissolved |
| OPPINOE SANITARY WARE (FOSHAN) INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| OPPIZI HOLDING LIMITED | Private company limited by shares | Live |
| OPPLE CO., LIMITED | Private company limited by shares | Live |
| GUANGDONG ZHONGSHAN OPPLE INTEGRATED CEILING LIMITED | Private company limited by shares | Live |
| GUANGDONG OPPLE ELECTRIC SHARE LIMITED | Private company limited by shares | Live |
| OPPLE Smart Lighting (Holding) Limited | | Live |
| ZHONGSHAN OPPLE LIGHTING ELECTRIC LIMITED | Private company limited by shares | Live |
| SHANGHAI OPPLE APPLIANCES KITCHEN COMPANY LIMITED | Private company limited by shares | Live |
| SHANGHAI OPPLE ELECTRIC CO., LIMITED | Private company limited by shares | Live |
| SHANGHAI OPPLE KITCHEN ELECTRIC APPLIANCES LIMITED | Private company limited by shares | Dissolved |
| OPPLLOO LIMITED | Private company limited by shares | Live |
| OPPO LIMITED | Private company limited by shares | Dissolved |
| OPPO LIMITED | Private company limited by shares | Live |
| OPPO CC LIMITED | Private company limited by shares | Live |
| OPPO SHO Limited | Private company limited by shares | Live |
| Oppoda (HK) Limited | Private company limited by shares | Live |
| OPPOLINK TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK OPPORTUNELY CARPENTER INDUSTRY LIMITED | Private company limited by shares | Live |
| Opportunism Limited | | Live |
| Opportunist Company Limited | Private company limited by shares | Live |
| NEW OPPORTUNITIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| OPPORTUNITIES LIMITED | Private company limited by shares | Dissolved |
| Sea of Opportunities Limited | Private company limited by shares | Live |
| Asia SD Opportunities Limited | | Live |
| BEST OPPORTUNITIES LIMITED | Private company limited by shares | Dissolved |
| BUSINESS OPPORTUNITIES LIMITED | Private company limited by shares | Dissolved |
| Business Opportunities Limited | Private company limited by shares | Live |
| BUSINESS OPPORTUNITIES PUBLISHING LIMITED | Private company limited by shares | Dissolved |
| FRG Chinese Opportunities Limited | Private company limited by shares | Live Commenced dormancy on 11-Jan-2010 |
| EXCELLENT OPPORTUNITIES COMPANY LIMITED | Private company limited by shares | Live |
| FAIR OPPORTUNITIES COMPANY LIMITED | Private company limited by shares | Live |
| GENERAL OPPORTUNITIES LIMITED | Private company limited by shares | Dissolved |
| Select Opportunities I Limited | | Live |
| CP2 SPECIAL OPPORTUNITIES INVESTMENT LIMITED | Private company limited by shares | Live |
| ZYIM Venture Opportunities Limited | Private company limited by shares | Live |
| HOP LUN OPPORTUNITY LIMITED | Private company limited by shares | Live |
| NEW OPPORTUNITY COMPANY LIMITED | Company limited by guarantee | Live |
| NEW OPPORTUNITY ONE LIMITED | Private company limited by shares | Live |
| NEW OPPORTUNITY TWO LIMITED | Private company limited by shares | Live |
| OPPORTUNITY A LIMITED | Private company limited by shares | Live |
| GAT OPPORTUNITY ONE LIMITED | Private company limited by shares | Live |
| SSA Opportunity 4 Limited | | Live |
| SSA Opportunity 5 Limited | | Live |
| Opportunity Venture (Asia) Limited | Private company limited by shares | Live |
| 38 BUSINESS OPPORTUNITY LIMITED | Private company limited by shares | Live |
| Best Opportunity Business Limited | Private company limited by shares | Live |
| Creative Business Opportunity Company Limited | Private company limited by shares | Dissolved |
| My China Opportunity Limited | Private company limited by shares | Live |
| China Achieve Opportunity Limited | Private company limited by shares | Live |
| CHINA OPPORTUNITY ADVERTISING EXHIBITION COMPANY LIMITED | Private company limited by shares | Dissolved |
| China Opportunity Fund Limited | | Live |
| CHINA OPPORTUNITY PARTNERS COMPANY LIMITED | Private company limited by shares | Live |
| Dragon Opportunity Limited | Private company limited by shares | Live |
| Best Fortune Opportunity Limited | Private company limited by shares | Live |
| GREEN OPPORTUNITY LIMITED | Private company limited by shares | Live |
| 5Y Special Opportunity Holding II Limited | | Live |
| Best Opportunity Import&Export Company Limited | Private company limited by shares | Live |
| PA Investment Opportunity VII Limited | Private company limited by shares | Live |