| Hay's Fitness Limited | | Live |
| HAYS HOLDING LIMITED | | Live |
| HAYS HONG KONG LIMITED | Private company limited by shares | Live |
| Hays International Limited | | Live |
| HAYS ORIENTAL HOLDING LIMITED | | Live |
| Hays Studio Limited | | Live |
| HAYS TRADING LIMITED | | Live |
| Hays Professional Training Company Limited | | Live |
| HAYSAN DISTRIBUTION LIMITED | Private company limited by shares | Live |
| HAYSAN ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| HAYSAN ENTERPRISE LIMITED | Private company limited by shares | Live |
| HAYSAN INVESTMENT LIMITED | Private company limited by shares | Live |
| Haysboro Resources Co., Limited | Private company limited by shares | Live |
| HAYSELTON ENTERPRISES LIMITED | Private company limited by shares | Live |
| HAYSEN LIMITED | Private company limited by shares | Dissolved |
| HAYSEN LIMITED | Private company limited by shares | Live |
| HAYSIAN TRADE LIMITED | Private company limited by shares | Live |
| HAYSLEP INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Hayslon Trading Company Limited | Private company limited by shares | Live |
| HAYSMILE LIMITED | Private company limited by shares | Live |
| HAYSON LIMITED | Private company limited by shares | Live |
| Hayson Brands Limited | Private company limited by shares | Live |
| HAYSON CO., LIMITED | Private company limited by shares | Dissolved |
| Hayson Inflight Co., Limited | Private company limited by shares | Live |
| HAYSON CONCEPT LIMITED | Private company limited by shares | Live |
| HAYSON DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| HAYSON DEVELOPMENT LIMITED | Private company limited by shares | Live |
| HAYSON ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| HAYSON ENGINEERING LIMITED | Private company limited by shares | Live |
| Hayson Engineering & Consulting Limited | | Live |
| HAYSON ENTERPRISES LIMITED | Private company limited by shares | Live |
| HAYSON GROUP LIMITED | Private company limited by shares | Dissolved |
| HAYSON (H.K.) ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| HONGKONG HAYSON LIMITED | Private company limited by shares | Dissolved |
| HAYSON INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Hayson International Services Company Limited | Private company limited by shares | Live |
| HAYSON INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| HAYSON INVESTMENT LIMITED | Private company limited by shares | Live |
| HAYSON RECRUITMENT SERVICES LIMITED | Private company limited by shares | Live |
| HAYSON TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HAYSTACK COMPANY LIMITED | Private company limited by shares | Dissolved |
| HAYSTAR LIMITED | Private company limited by shares | Live |
| HAYSTIN TRADING LIMITED | Private company limited by shares | Dissolved |
| HAYSTON LIMITED | Private company limited by shares | Dissolved |
| HAYSUN LIMITED | Private company limited by shares | Live |
| HAYSWHARF LIMITED | Private company limited by shares | Live |
| HAYSWING CO., LIMITED | Private company limited by shares | Live |
| HAYSYATE TRADING CO LIMITED | Private company limited by shares | Live |
| HAYTA LIMITED | Private company limited by shares | Live |
| SHENHZHEN HAYTA INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| HAYTEN CLINICAL LIMITED | Private company limited by shares | Live |
| HAYTER LIMITED | Private company limited by shares | Live |
| HAYTER-CHIP TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| HAYTIME LIMITED | Private company limited by shares | Dissolved |
| HAYTING TRADING CO., LIMITED | | Live |
| HAYTON LIMITED | Private company limited by shares | Dissolved |
| HAYTON LIMITED | Private company limited by shares | Live |
| HAYUSUN HOUSEWARE INDUSTRIAL LIMITED | Private company limited by shares | Live |
| HAYWA LIMITED | Private company limited by shares | Dissolved |
| HAYWA LIMITED | Private company limited by shares | Dissolved |
| HAYWAH INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| HAYWARD & HAYWARD LIMITED | Private company limited by shares | Dissolved |
| HAYWARD LIMITED | Private company limited by shares | Dissolved |
| HK KIM HAYWARD LIMITED | Private company limited by shares | Live |
| FABRICA HAYWARD LIMITED | Private company limited by shares | Dissolved |
| HAYWELL LIMITED | Private company limited by shares | Dissolved |
| HAYWICK LIMITED | Private company limited by shares | Live |
| HAYWOOD AND COMPANY LIMITED | Private company limited by shares | Dissolved |
| HAYWOOD LIMITED | Private company limited by shares | Dissolved |
| HAYWOOD (OVERSEAS) AGENCY LIMITED | Private company limited by shares | Dissolved |
| THOMSON HAYWOOD CAPITAL LIMITED | Private company limited by shares | Dissolved |
| HAYWOOD ESTATES LIMITED | Private company limited by shares | Dissolved |
| CARL HAYWOOD (HONG KONG) LIMITED | Private company limited by shares | Live |
| HAYWOOD INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| HAYWOOD INVESTMENT LIMITED | Private company limited by shares | Live |
| HAYWOOD INVESTMENT MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| HAYWOOD SECURITY & MANAGEMENT SERVICE LIMITED | Private company limited by shares | Dissolved |
| ICS HAYWOOD FINANCIAL PLANNING LIMITED | Private company limited by shares | Dissolved |
| HAYWOOD TRADING LIMITED | Private company limited by shares | Live |
| HAYWOOD-INVICO INVESTMENT SERVICES LIMITED | Private company limited by shares | Dissolved |
| HAYWOODS LIMITED | Private company limited by shares | Dissolved |
| HAYWORTH LIMITED | Private company limited by shares | Live |
| HAYWORTH TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| HAYYA LIMITED | | Live |
| HAYYA SHIPPING CO., LIMITED | Private company limited by shares | Live |
| HAYYAN COMPANY LIMITED | Private company limited by shares | Dissolved |
| Hayze Motor Service Limited | | Live |
| HAYZE WEDDING SERVICE LIMITED | Private company limited by shares | Live |
| HAYZOOM INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Dissolved |