| EFFICIENT LIMITED | Private company limited by shares | Dissolved |
| EFFICIENT LIMITED | Private company limited by shares | Dissolved |
| EFFICIENT LIMITED | Private company limited by shares | Dissolved |
| Efficient Limited | Private company limited by shares | Dissolved |
| EFFICIENT LIMITED | Private company limited by shares | Live |
| EFFICIENT WAY LIMITED | | Live |
| EFFICIENT CONSOLIDATOR ALLIANCE COMPANY LIMITED | Private company limited by shares | Live |
| Efficient In Asset Limited | | Live |
| EFFICIENT ENERGY TECHNOLOGIES AUSTRALASIA LIMITED | Private company limited by shares | Live |
| EFFICIENT TRADE BROKERS LIMITED | Private company limited by shares | Live |
| EFFICIENT BUSINESS LIMITED | Private company limited by shares | Live |
| CHINA INTERNET EFFICIENT FINANCE HOLDING LIMITED | Private company limited by shares | Live |
| HK EFFICIENT INDUSTRY GROUP CO., LIMITED | Private company limited by shares | Live |
| HK Efficient Technology Co., Limited | Private company limited by shares | Live |
| Efficient trading co., Limited | Private company limited by shares | Live |
| EFFICIENT COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| EFFICIENT CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| EFFICIENT CONSULTING LIMITED | Private company limited by shares | Live |
| EFFICIENT CONTRACTOR LIMITED | Private company limited by shares | Live |
| Efficient Power Conversion Limited | Private company limited by shares | Live |
| EFFICIENT DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| Efficient Development Limited | | Live |
| EFFICIENT PERFECTION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| EFFICIENT DISH WASHING LIMITED | Private company limited by shares | Live |
| Efficient Electronics Limited | Private company limited by shares | Live |
| Smart & Efficient Energy Group Co. Limited | Private company limited by shares | Live |
| ENERGY EFFICIENT & ECO SOLUTIONS LIMITED | Private company limited by shares | Live |
| EFFICIENT ENERGY SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| Energy Efficient Technologies Limited | Private company limited by shares | Live |
| EFFICIENT ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| EFFICIENT ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| EFFICIENT ELECTRONIC ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| EFFICIENT ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| HUDGENS ENERGY EFFICIENT EQUIPMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| VERDANT EFFICIENT FARMING LIMITED | Private company limited by shares | Live |
| Efficient Finance Holding Limited | Private company limited by shares | Live |
| EFFICIENT FORCE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GLOBAL EFFICIENT LIMITED | Private company limited by shares | Live |
| Efficient Global Limited | Private company limited by shares | Live |
| Global Efficient Lighting Centre Limited | Private company limited by shares | Live |
| Efficient Global Projects Limited | Private company limited by shares | Live |
| Efficient Global Service Limited | Private company limited by shares | Live |
| EFFICIENT INNOVATION INVESTMENTS GROUP LIMITED | Private company limited by shares | Live |
| EFFICIENT SECURITY & GUARDS SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| EFFICIENT ENGINEERING (HK) LIMITED | Private company limited by shares | Live |
| EFFICIENT INDUSTRIAL (HK) LIMITED | | Live |
| EFFICIENT (HK) INDUSTRY LIMITED | Private company limited by shares | Live |
| EFFICIENT TECHNOLOGY (HK) Company Limited | Private company limited by shares | Live |
| G-CITY EFFICIENT ENERGY HOLDINGS LIMITED | Private company limited by shares | Live |
| HONEST & EFFICIENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG EFFICIENT CONSULTING LIMITED | Private company limited by shares | Live |
| EFFICIENT FRONTIER HONG KONG LIMITED | Private company limited by shares | Dissolved |
| EFFICIENT OFFICE (HONG KONG) LIMITED | Private company limited by shares | Live |
| HONGKONG EFFICIENT DELIVERY INTERNATIONAL CO. LIMITED | Private company limited by shares | Dissolved |
| HONGKONG POLY EFFICIENT FINANCE HOLDING LIMITED | Private company limited by shares | Live |
| HE Efficient Industry Group Limited | Private company limited by shares | Live |
| EFFICIENT INFORMATION SECURITY LIMITED | Private company limited by shares | Live |
| EFFICIENT INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| EFFICIENT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| EFFICIENT BUSINESS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| EFFICIENT CHANNEL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Efficient DriveTrains International Limited | Private company limited by shares | Dissolved |
| EFFICIENT DYNASTY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HANHUA INTERNATIONAL EFFICIENT FINANCE HOLDING LIMITED | Private company limited by shares | Live |
| EFFICIENT INTERNATIONAL TRADING (HK) LIMITED | Private company limited by shares | Dissolved |
| EFFICIENT INVESTMENTS LIMITED | Private company limited by shares | Live |
| DET Efficient Lighting Limited | Private company limited by shares | Live |
| EFFICIENT LINK LIMITED | Private company limited by shares | Live |
| EFFICIENT TRADING & LOGISTICS CONSULTING LIMITED | Private company limited by shares | Live |
| EFFICIENT MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| EFFICIENT PROPERTY MANAGEMENT CO. LIMITED | Private company limited by shares | Live |
| EFFICIENT MARKET LIMITED | Private company limited by shares | Live |
| EFFICIENT (NOMINEES) LIMITED | Private company limited by shares | Live |
| OCEAN EFFICIENT COMPANY LIMITED | Private company limited by shares | Live |
| EFFICIENT PARTNERS LIMITED | Private company limited by shares | Live |
| EFFICIENT PLATINUM LIMITED | Private company limited by shares | Live |
| Efficient Power Capital Limited | | Live |
| EFFICIENT PRINTING AND LABEL COMPANY LIMITED | Private company limited by shares | Dissolved |
| Efficient Architectural Products Limited | | Live |
| BRIGHT & EFFICIENT PROFESSIONAL DISH WASHING LIMITED | Private company limited by shares | Live |
| Efficient Profit Limited | Private company limited by shares | Live |
| EFFICIENT PROMOTIONS (HK) COMPANY LIMITED | Private company limited by shares | Live |
| EFFICIENT RUBBER PRODUCTS LIMITED | Private company limited by shares | Live |
| Efficient Secretaries Limited | Private company limited by shares | Live |
| EFFICIENT SERVICES LIMITED | Private company limited by shares | Live |
| EFFICIENT SERVICES (1991) LIMITED | Private company limited by shares | Dissolved |
| EFFICIENT SERVICES (2005) LIMITED | Private company limited by shares | Dissolved |
| EVER EFFICIENT SERVICES COMPANY LIMITED | Private company limited by shares | Dissolved |
| EFFICIENT SHEEN LIMITED | Private company limited by shares | Live |
| EFFICIENT SHIPPING LIMITED | Private company limited by shares | Dissolved |
| EFFICIENT SOURCING CO., LIMITED | Private company limited by shares | Live |
| Efficient Supply Limited | Private company limited by shares | Live |
| Efficient Systems Limited | | Live |
| BO Efficient Technologies Limited | | Live |
| EFFICIENT TECHNOLOGIES (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| EFFICIENT TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| EFFICIENT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| RBS Efficient Technology Limited | Private company limited by shares | Live |
| EFFICIENT TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Efficient Electronic Technology Limited | Private company limited by shares | Live |