| SUCCESS UNION ACCOUNTING SERVICES COMPANY LIMITED | Private company limited by shares | Live |
| HUGE UNION LIMITED | Private company limited by shares | Live |
| UNION JOINT LIMITED | Private company limited by shares | Live |
| UNION MARK ELECTRONICS LIMITED | Private company limited by shares | Live |
| Eastern Union International Holding Limited | Private company limited by shares | Live |
| Cableplus Unionbridge Electronics Co., Limited | Private company limited by shares | Live |
| Sino Union Technologies International Limited | Private company limited by shares | Live |
| JIANGSHAN UNION CHEMICAL CO., LIMITED | Private company limited by shares | Live |
| UNION NEUROLOGY AND ORTHOLOGY LIMITED | Private company limited by shares | Live |
| UNION OASIS LIMITED | Private company limited by shares | Live |
| NEW UNION SUCCESS LIMITED | Private company limited by shares | Live |
| UNION FLOW LIMITED | Private company limited by shares | Live |
| UNION BRIGHT CORPORATION LIMITED | Private company limited by shares | Live |
| MARK UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| Union (H.K.) Capital Market Limited | Private company limited by shares | Live |
| VEGA UNION LIMITED | Private company limited by shares | Live |
| HONGKONG GALAXY UNION COMPANY LIMITED | Private company limited by shares | Live |
| HK UNION CREDIT LIMITED | Private company limited by shares | Live |
| UNION FIDELITY CONSTRUCTION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SANXIN UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Hong Kong Beauty Industry Union Limited | Company limited by guarantee | Live |
| SMARTEN UNION CO., LIMITED | Private company limited by shares | Live |
| HEALTH UNION (HONG KONG) LIMITED | Private company limited by shares | Live |
| UNION HOPE (HK) LIMITED | Private company limited by shares | Live |
| UNION ZHONGRUN (INTERNATIONAL) FOOD LIMITED | Private company limited by shares | Live |
| UNION CARBON CO., LIMITED | Private company limited by shares | Live |
| China Riders Mutual Aid Union Group Limited | Private company limited by shares | Live |
| UNION FIRE CO., LIMITED | Private company limited by shares | Live |
| UNION GUOYIN GROUP LIMITED | Private company limited by shares | Live |
| HONGKONG BAIJIA AUTO PARTS UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| GUIYUAN UNION TRADING CO., LIMITED | Private company limited by shares | Live |
| GOOD UNION LIMITED | Private company limited by shares | Live |
| Advanced Financial Union Limited | Private company limited by shares | Live |
| Hong Kong Sports Therapists Union Limited | Private company limited by shares | Live |
| UNION WEALTH INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live |
| ASIA UNION SERVICES LIMITED | Private company limited by shares | Live |
| CHINA ZHONGCHUANG UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| Ability Union (International) Company Limited | Private company limited by shares | Live |
| China Union Arts Limited | Private company limited by shares | Live |
| UNION ADVANCE LIMITED | Private company limited by shares | Live |
| SUCCESS UNION INVESTMENTS LIMITED | Private company limited by shares | Live |
| UNION GOOD (CHINA) LIMITED | Private company limited by shares | Live |
| PIONEER UNION LIMITED | Private company limited by shares | Live |
| GLOBAL UNION WEALTH CREATION LIMITED | Private company limited by shares | Live |
| HK UNION LOGISTICS LIMITED | Private company limited by shares | Dissolved |
| Union Petro International Trading Co., Limited | Private company limited by shares | Live Commenced dormancy on 06-Aug-2018 |
| GOOD UNION INTERNATIONAL LOGISTICS LIMITED | Private company limited by shares | Live |
| GREAT UNION MANAGEMENT LIMITED | Private company limited by shares | Live |
| UNION HILL PROPERTIES LIMITED | Private company limited by shares | Live |
| MAX UNION INC. LIMITED | Private company limited by shares | Live |
| Best Union Industrial Company Limited | Private company limited by shares | Live |
| UNION OLYMPIC LIMITED | Private company limited by shares | Live |
| Network Union Limited | Private company limited by shares | Live |
| Uni-opto Limited | Private company limited by shares | Live |
| CHINESE CAPITAL UNION FINANCIAL LIMITED | Private company limited by shares | Live |
| HK GRAND UNION INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| IKON UNION PHARMA LIMITED | Private company limited by shares | Live |
| Ningbo Union Import & Export Co., Limited | Private company limited by shares | Live |
| Ants Union Limited | Private company limited by shares | Live |
| Union Texong Company Limited | Private company limited by shares | Live |
| ASIAN UNION ARTWORK LABORATORY LIMITED | Private company limited by shares | Live |
| UNION CENTURY INC LIMITED | Private company limited by shares | Live |
| FAITH UNION TRADING LIMITED | Private company limited by shares | Live |
| MEILE INTERNATIONAL MEDICAL REHABILITATION UNION LIMITED | Private company limited by shares | Live |
| SEA UNION LIMITED | Private company limited by shares | Live |
| UNION LIKE TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| NINETY UNION TRADING LIMITED | Private company limited by shares | Live |
| UNION INTERNATIONAL TRADING (HK) LIMITED | Private company limited by shares | Live |
| UNION CAPITAL WORLDWIDE GROUP LIMITED | Private company limited by shares | Live |
| UNION PROFIT INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live |
| COMPLIANCE UNION CONSULTING LIMITED | Private company limited by shares | Live Commenced dormancy on 21-May-2018 |
| CHINA BUDO UNION CO., LIMITED | Private company limited by shares | Live |
| PLUS UNION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| UNION LUCKY LIMITED | Private company limited by shares | Live |
| UNION BLESS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| MC UNION TRADING CO., LIMITED | Private company limited by shares | Live |
| HONG KONG GOLD UNION INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION (HK) EXCHANGE LIMITED | Private company limited by shares | Live |
| UNION FORTRESS AIR CONDITIONING ENGINEERING LIMITED | Private company limited by shares | Live |
| Elite Union Property Limited | Private company limited by shares | Live |
| China Union Telecom Company Limited | Private company limited by shares | Live |
| Union Mission Advertising & Construction Company Limited | Private company limited by shares | Live |
| B&R SUPPLY-CHAIN FINANCE UNION LIMITED | Company limited by guarantee | Live |
| UNION KING TRADING LIMITED | Private company limited by shares | Live |
| UNION BOND INVESTMENT LIMITED | Private company limited by shares | Live |
| UNION PACIFIC COMPANY LIMITED | Private company limited by shares | Live |
| UNIOLIS LIMITED | Private company limited by shares | Live |
| ASIA UNION INVESTMENT SHARE LIMITED | Private company limited by shares | Live |
| UNION SUCCESS INCORPORATION LIMITED | Private company limited by shares | Live |
| UNION TREND MEGA TRADE LIMITED | Private company limited by shares | Live |
| UNION RICH MEGA TRADE LIMITED | Private company limited by shares | Live |
| UNION STAR CREATIVE LIMITED | Private company limited by shares | Live |
| HUAXIA YI XUE UNION CO., LIMITED | Private company limited by shares | Live |
| Brother Union Holding Limited | Private company limited by shares | Live |
| CROWN UNION INDUSTRAIL LIMITED | Private company limited by shares | Live |
| UNION MEDICAL HEALTHCARE (CHONGQING) LIMITED | Private company limited by shares | Live |
| MULTI UNION HONG KONG GROUP LIMITED | Private company limited by shares | Live |
| UNION STAR INTERNATIONAL INC. LIMITED | Private company limited by shares | Live |
| UNION RISE FINANCE LIMITED | Private company limited by shares | Live |
| YIWU HOLY UNION TRADE CO., LIMITED | Private company limited by shares | Live |