| UP-GRADE FLYING OPERATIONS CO. LIMITED | Private company limited by shares | Dissolved |
| FONTANE OPERATIONS LIMITED | Private company limited by shares | Dissolved |
| Fuzo Operations Limited | Private company limited by shares | Live |
| RUHAN GENETECH HK OPERATIONS LIMITED | Private company limited by shares | Live |
| GLOBAL OPERATIONS LIMITED | Private company limited by shares | Live |
| WPL GLOBAL OPERATIONS LIMITED | | Live |
| AMOREPACIFIC GLOBAL OPERATIONS LIMITED | Private company limited by shares | Live |
| IBM GPT Global Operations Center Limited | | Live |
| HK GLOBAL TECHNOLOGY NETWORK OPERATIONS LIMITED | Private company limited by shares | Live |
| GOHG OPERATIONS LIMITED | Private company limited by shares | Live |
| Tokyo Tsukiji Market (Greater China) Service Operations Company Limited | Private company limited by shares | Live |
| DRAGON (HONGKONG) BRAND OPERATIONS GROUP CO., LIMITED | Private company limited by shares | Live |
| China Digital Operations Industry Group Co., Limited | | Live |
| MG (China) Good Life Operations Group Limited | Private company limited by shares | Live |
| FRANCE PAMENG MEILA INT'L BRAND OPERATIONS GROUP LIMITED | Private company limited by shares | Live |
| MERIDIAN OPERATIONS GROUP LIMITED | Private company limited by shares | Live |
| OU RINBO USA SINOPEC GROUP MAINLAND OPERATIONS LIMITED | Private company limited by shares | Live |
| Grow VC Operations Limited | Private company limited by shares | Live |
| HEALTHCARE VPN OPERATIONS LIMITED | Private company limited by shares | Dissolved |
| Saucony Brand Operations (HK) Limited | Private company limited by shares | Live |
| Intel China Operations II (HK) Limited | Private company limited by shares | Live |
| Intel China Operations I (HK) Limited | Private company limited by shares | Live |
| HEALTHCARE CLINIC OPERATIONS (HK) LIMITED | Private company limited by shares | Dissolved |
| AMP OPERATIONS CONSULTING (H.K.) LIMITED | | Live |
| HUICHUANG (HK) CITY OPERATIONS DEVELOPMENT LIMITED | Private company limited by shares | Live |
| Saucony Distribution Operations (HK) Limited | Private company limited by shares | Live |
| TeaM Energy Operations (HK) Limited | Private company limited by shares | Dissolved |
| HEALTHCARE TCM OPERATIONS (HK) LIMITED | Private company limited by shares | Dissolved |
| LIFESTYLE OPERATIONS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| HEALTHCARE LIFESTYLE OPERATIONS (HK) LIMITED | Private company limited by shares | Dissolved |
| HEALTHCARE VPN PHARMACY OPERATIONS (HK) LIMITED | Private company limited by shares | Dissolved |
| DUPONT POLYESTER ASIA OPERATIONS (HK) LIMITED | Private company limited by shares | Dissolved |
| HEALTHCARE2U PORTAL OPERATIONS (HK) LIMITED | Private company limited by shares | Dissolved |
| PRIMADOLLAR OPERATIONS (HK) LIMITED | Private company limited by shares | Live |
| HKRB Operations Limited | Private company limited by shares | Dissolved |
| VALSPAR (ASIA) OPERATIONS HOLDINGS LIMITED | Private company limited by shares | Live |
| MINGFANGTANG (HONG KONG) BRAND OPERATIONS LIMITED | Private company limited by shares | Dissolved |
| YJ CYPRUS INVESTMENT HONG KONG OPERATIONS CENTRE LIMITED | Private company limited by shares | Live |
| CHINA NETCOM (HONG KONG) OPERATIONS LIMITED | Private company limited by shares | Dissolved |
| WORLD CHINESE ASSOCIATION (HONG KONG) OPERATIONS CENTER CO., LIMITED | Private company limited by shares | Dissolved |
| HONG KONG TPG OPERATIONS CENTER CO., LIMITED | Private company limited by shares | Live |
| G.A. OPERATIONS HONG KONG LIMITED | Private company limited by shares | Live |
| HONG KONG HARMONIOUS GROUP OPERATIONS LIMITED | Private company limited by shares | Live |
| JIA HONG KONG OPERATIONS LIMITED | Private company limited by shares | Live |
| NBA Hong Kong Operations Limited | Private company limited by shares | Live |
| WSY Operations (Hong Kong) Limited | Private company limited by shares | Live |
| Hong Kong Zhong Heng Famous Sky Business Operations Management Limited | Private company limited by shares | Live |
| Hong Kong Huisheng Business Operations Management Co., Limited | | Live |
| Hong Kong Green Energy Operations Management Co., Limited | | Live |
| Hong Kong Huiyin Lianhang Asset Operations and Management Co., Limited | Private company limited by shares | Live |
| Fai Genesis (Hong Kong) Operations Management Co., Limited | Private company limited by shares | Live |
| Hong Kong Riemann Operations Management Limited | Private company limited by shares | Live |
| MARITIME OPERATIONS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| N.E. Operations (Hong Kong) Limited | Private company limited by shares | Dissolved |
| HONG KONG INTELLECTUAL PROPERTY OPERATIONS LIMITED | Private company limited by shares | Live |
| SOCIETY OF OPERATIONS ENGINEERS (HONG KONG REGION) LIMITED | Company limited by guarantee | Live |
| HONG KONG TAIGU COMMERCIAL PROPERTY & OPERATIONS LIMITED | Private company limited by shares | Dissolved |
| PCCW TELESERVICES OPERATIONS (HONG KONG) LIMITED | Private company limited by shares | Live |
| HONG KONG THUNDER INTERNATIONAL BRAND STRATEGIC OPERATIONS LIMITED | Private company limited by shares | Live |
| Uglii Hong Kong Operations Limited | Private company limited by shares | Live |
| CHINA UNICOM (HONG KONG) OPERATIONS LIMITED | Private company limited by shares | Live |
| Cross Border (HongKong) Operations Limited | Private company limited by shares | Live |
| Hongkong Bodu BPO Operations Management Co., Limited | Private company limited by shares | Live |
| HONGKONG MS BUSINESS MANAGEMENT OPERATIONS LIMITED | Private company limited by shares | Live |
| HONGKONG HUADING OPERATIONS MANAGEMENT CO., LIMITED | Private company limited by shares | Live |
| HOSPITALITY OPERATIONS SYSTEMS AND TECHNICAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| DLM Operations House Limited | | Live |
| Husky Oil Operations (China) Limited | Private company limited by shares | Live |
| INTERKILN OVERSEAS OPERATIONS LIMITED | Private company limited by shares | Dissolved |
| JCB International Operations Limited | Private company limited by shares | Live |
| Outlets International Brand Operations Limited | Private company limited by shares | Live |
| FORTUNE INTERNATIONAL OPERATIONS LIMITED | Private company limited by shares | Live |
| OPERATIONS INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| HEALTH CARE INTERNATIONAL OPERATIONS LIMITED | Private company limited by shares | Dissolved |
| OPERATIONS INTERNATIONAL INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| Leimo International Operations Limited | Private company limited by shares | Dissolved |
| INTERNATIONAL OPERATIONS & MAINTENANCE CO. LIMITED | Private company limited by shares | Dissolved |
| GD INTERNATIONAL MARKETING OPERATIONS LIMITED | Private company limited by shares | Live |
| MATTEL INTERNATIONAL OPERATIONS LIMITED | Private company limited by shares | Live |
| International Olympic Operations (Asia) Co., Limited | Private company limited by shares | Live |
| INTERNATIONAL OPERATIONS & SERVICES COMPANY (HK) LIMITED | Private company limited by shares | Live |
| Vita International Holiday Operations Group Limited | Private company limited by shares | Live |
| WALLINS INTERNATIONAL OPERATIONS LIMITED | Private company limited by shares | Dissolved |
| INTERSEA OPERATIONS LIMITED | Private company limited by shares | Dissolved |
| ZYH (INT'L) OPERATIONS MANAGEMENT CO., LIMITED | Private company limited by shares | Live |
| INTERNATIONAL RAILWAY SIGNALLING AND OPERATIONS CONSULTANTS (IRSOC) LIMITED | Private company limited by shares | Dissolved |
| JARDINE OFFSHORE OPERATIONS LIMITED | Private company limited by shares | Dissolved |
| Johnston Operations Limited | Private company limited by shares | Live |
| Joolca Supply Operations HK Limited | Private company limited by shares | Live |
| DY KENT OPERATIONS LIMITED | Private company limited by shares | Dissolved |
| LIFESTYLE OPERATIONS LIMITED | Private company limited by shares | Dissolved |
| ELI LILLY ASIAN OPERATIONS, LIMITED | Private company limited by shares | Live |
| LINK ENTER OPERATIONS LIMITED | Private company limited by shares | Live |
| Lion Ship Operations Limited | Private company limited by shares | Dissolved |
| Logos Operations Limited | Private company limited by shares | Live |
| LONG LUNCH OPERATIONS LIMITED | Private company limited by shares | Live |
| Maestronic Operations Limited | Private company limited by shares | Live |
| HK INTERNATIONAL PROJECT MANAGED OPERATIONS INCUBATION GROUP CO., LIMITED | Private company limited by shares | Live |
| MANAGEMENT OPERATIONS LIMITED | Private company limited by shares | Dissolved |
| C&A Operations Management Limited | Private company limited by shares | Live |