| 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 |
| AIF Operations Management Limited | Private company limited by shares | Live |
| CATHAYA OPERATIONS MANAGEMENT LIMITED | Private company limited by shares | Live |
| ENDLESS INTERNATIONAL BRAND OPERATIONS MANAGEMENT CO., LIMITED | Private company limited by shares | Live |
| WENZHOU BUSINESSMAN ICAR (CHINA) BUSINESS OPERATIONS MANAGEMENT CO., LIMITED | Private company limited by shares | Live |
| HongKong Benyuan Health Operations Management Co., Limited | Private company limited by shares | Live |
| HONGKONG SHENG YUE LONG INVESTMENT OPERATIONS MANAGEMENT CO., LIMITED | Private company limited by shares | Dissolved |
| SINGAPORE DUOPUDA CHINA OPERATIONS MANAGEMENT CO., LIMITED | Private company limited by shares | Live |
| METROLINK COMMERCIAL OPERATIONS MANAGEMENT LIMITED | Private company limited by shares | Live |
| Dirac Operations Management Limited | | Live |
| HK CHINESE RESERVE MANAGEMENT OPERATIONS GROUP LIMITED | Private company limited by shares | Live |
| HONGKONG ACM AUTO CULTURE OPERATIONS AND MANAGEMENT GROUP LIMITED | Private company limited by shares | Dissolved |
| HK Infrastructure Management Operations Limited | Private company limited by shares | Live |
| GOH AND MING MARINE OPERATIONS LIMITED | Private company limited by shares | Live |
| Marine Operations Supply Limited | Private company limited by shares | Live |
| AA Marketing Operations Limited | Private company limited by shares | Live |
| All-Media Operations & Marketing Association Limited | | Live |
| MASS OPERATIONS LIMITED | Private company limited by shares | Live |
| TEAM UP MATERIALS OPERATIONS LIMITED | Private company limited by shares | Dissolved |
| McNamara Operations Limited | Private company limited by shares | Live |
| HEALTHCARE MEDICAL & PARAMEDICAL SERVICES OPERATIONS (HK) LIMITED | Private company limited by shares | Live |
| MedViser Operations Limited | Private company limited by shares | Live |
| Minerva Operations Limited | Private company limited by shares | Live |
| MINERVA ADVISORS OPERATIONS LIMITED | Private company limited by shares | Live |
| MIRACLE OPERATIONS LIMITED | Private company limited by shares | Live |
| MMMarine Operations Limited | Private company limited by shares | Live |
| MOMENTUM OPERATIONS LIMITED | Private company limited by shares | Live |
| Moyu Operations Limited | Private company limited by shares | Live |
| MTD-KE OPERATIONS COMPANY LIMITED | Private company limited by shares | Live |
| Nero Operations Limited | | Live |
| Fu On Network Operations Limited | Private company limited by shares | Live |
| i-CABLE Network Operations Limited | Private company limited by shares | Live |
| Neuron Operations Limited | Private company limited by shares | Live |
| UNIT NINE OPERATIONS LIMITED | Private company limited by shares | Live |
| Nogle Operations Limited | Private company limited by shares | Live |
| CLP Nuclear Power Operations & Management (China) Limited | Private company limited by shares | Live |
| OFFGRID OPERATIONS ASIA LIMITED | Private company limited by shares | Live |
| ORIENTALDAILY.COM.HK OPERATIONS LIMITED | Private company limited by shares | Dissolved |
| HK Otter Operations Limited | Private company limited by shares | Live |
| HK American Foster Eye Vision Asia Pacific Operations Limited | | Live |
| AI ASIA PACIFIC OPERATIONS HOLDING LIMITED | Private company limited by shares | Live Commenced dormancy on 03-Apr-2012 |
| PUY DU FOU CHINA PARK OPERATIONS LIMITED | Private company limited by shares | Live |
| STRATEGIC OPERATIONS PARTNERS LIMITED | Private company limited by shares | Dissolved |
| ORIENT PEACE OPERATIONS LIMITED | Private company limited by shares | Live |
| BHP PETROLEUM (OPERATIONS) LIMITED | Private company limited by shares | Dissolved |
| HEALTHCARE PHONE ADVISORY OPERATIONS (HK) LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL CHILDREN'S PLAY INVESTMENT OPERATIONS MANAGEMENT CO., LIMITED | Private company limited by shares | Dissolved |
| OPERATIONS PROGRESS LIMITED | Private company limited by shares | Dissolved |
| CHEONG SHING OPERATIONS PROJECT LIMITED | Private company limited by shares | Live |
| Quality Risk Management & Operations (QRMO) Limited | Private company limited by shares | Live |
| Quantified Operations Limited | Private company limited by shares | Live |
| Reliable Operations Limited | | Live |
| REVENUE OPERATIONS LIMITED | Private company limited by shares | Live |
| Rich Operations Limited | Private company limited by shares | Live |