| REGA LIMITED | Private company limited by shares | Live |
| REGAIN COMPANY LIMITED | Private company limited by shares | Dissolved |
| REGAIN LIMITED | Private company limited by shares | Dissolved |
| REGAIN LIMITED | | Live |
| BEST REGAIN LIMITED | Private company limited by shares | Live |
| Regain Biotech Limited | Private company limited by shares | Live |
| REGAIN CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| REGAIN TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| REGAIN FASHION LIMITED | Private company limited by shares | Live |
| Regain Global Limited | Private company limited by shares | Live |
| ROYAL REGAIN INTERNATIONAL HEALTH INDUSTRY GROUP COMPANY LIMITED | Private company limited by shares | Live |
| Regain Insurance Group Limited | Private company limited by shares | Live |
| REGAIN SOLDIER WELFARE CAUSE INVESTMENT (GROUP) LIMITED | Private company limited by shares | Live |
| REGAIN (HK) LIMITED | Private company limited by shares | Live |
| REGAIN IMPORT & EXPORT CO., LIMITED | Private company limited by shares | Live |
| REGAIN INTERNATIONAL COMPANY (HONG KONG) LIMITED | Private company limited by shares | Live |
| REGAIN INVESTMENT LIMITED | Private company limited by shares | Live |
| REGAIN ASSET MANAGEMENT LIMITED | Private company limited by shares | Live |
| Regain Risk Management Limited | Private company limited by shares | Live |
| Regain Insurance Marketing Limited | Private company limited by shares | Live |
| Regain Memories Limited | | Live |
| REGAIN INSURANCE FINANCIAL MANAGEMENT SERVICES LIMITED | Private company limited by shares | Live |
| Regain Motor Services Limited | Private company limited by shares | Live |
| REGAL COMPANY, LIMITED | Private company limited by shares | Dissolved |
| REGAL WAY COMPANY LIMITED | Private company limited by shares | Live |
| REGAL WIN LIMITED | Private company limited by shares | Dissolved |
| REGAL ACE COMPANY LIMITED | Private company limited by shares | Dissolved |
| REGAL ART LIMITED | Private company limited by shares | Dissolved |
| REGAL TOP LIMITED | Private company limited by shares | Dissolved |
| REGAL LOT LIMITED | Private company limited by shares | Dissolved |
| REGAL SKY LIMITED | Private company limited by shares | Dissolved |
| NEW REGAL LIMITED | Private company limited by shares | Dissolved |
| ON REGAL LIMITED | Private company limited by shares | Dissolved |
| REGAL TEC LIMITED | Private company limited by shares | Dissolved |
| WIN REGAL LIMITED | Private company limited by shares | Dissolved |
| REGAL COMPANY LIMITED | Private company limited by shares | Live |
| REGAL SET LIMITED | Private company limited by shares | Dissolved |
| REGAL JOY LIMITED | Private company limited by shares | Dissolved |
| REGAL RAY LIMITED | Private company limited by shares | Live |
| REGAL ACT LIMITED | Private company limited by shares | Dissolved |
| REGAL ACE LIMITED | Private company limited by shares | Dissolved |
| REGAL AGE LIMITED | Private company limited by shares | Dissolved |
| ADD REGAL LIMITED | Private company limited by shares | Live |
| REGAL FIT LIMITED | Private company limited by shares | Dissolved |
| TOP REGAL LIMITED | Private company limited by shares | Dissolved |
| REGAL MAX LIMITED | Private company limited by shares | Live |
| REGAL TOP LIMITED | Private company limited by shares | Live |
| SKY REGAL LIMITED | Private company limited by shares | Dissolved |
| REGAL SKY LIMITED | Private company limited by shares | Live |
| REGAL JOY LIMITED | Private company limited by shares | Live Commenced dormancy on 30-Jun-2006 |
| SUN REGAL LIMITED | Private company limited by shares | Dissolved |
| REGAL SUN LIMITED | Private company limited by shares | Dissolved |
| NEW REGAL LIMITED | Private company limited by shares | Dissolved |
| REGAL WIN LIMITED | Private company limited by shares | Live |
| TOP REGAL LIMITED | Private company limited by shares | Live |
| REGAL & CIE LIMITED | Private company limited by shares | Live |
| REGAL ART LIMITED | Private company limited by shares | Live |
| WIN REGAL LIMITED | Private company limited by shares | Live |
| NEW REGAL LIMITED | Private company limited by shares | Live |
| REGAL AIM LIMITED | Private company limited by shares | Dissolved |
| REGAL TOP INC LIMITED | Private company limited by shares | Live |
| REGAL II LIMITED | Private company limited by shares | Live |
| REGAL SEA LIMITED | Private company limited by shares | Dissolved |
| SKY REGAL LIMITED | Private company limited by shares | Dissolved |
| MAX REGAL LIMITED | Private company limited by shares | Live |
| ACE REGAL LIMITED | Private company limited by shares | Live |
| SEA REGAL LIMITED | Private company limited by shares | Live |
| JOY REGAL LIMITED | Private company limited by shares | Live |
| ART REGAL LIMITED | Private company limited by shares | Live |
| SUN REGAL CO. LIMITED | Private company limited by shares | Live |
| REGAL SEA LIMITED | Private company limited by shares | Live |
| MJ Regal HKG Limited | Private company limited by shares | Live |
| SKY REGAL LIMITED | Private company limited by shares | Live |
| NEW REGAL LIMITED | Private company limited by shares | Live |
| MAX REGAL LIMITED | Private company limited by shares | Live |
| JY REGAL LIMITED | Private company limited by shares | Live |
| REGAL FU HO LIMITED | Private company limited by shares | Live |
| MAN REGAL LIMITED | Private company limited by shares | Live |
| REGAL SUN LIMITED | Private company limited by shares | Live |
| REGAL LIMITED | Private company limited by shares | Live |
| JET REGAL LIMITED | Private company limited by shares | Live |
| REGAL 2000 LIMITED | Private company limited by shares | Live |
| REGAL ACCESS LIMITED | Private company limited by shares | Dissolved |
| REGAL ETERNAL ACCOUNTING & SECRETARIAL SERVICES LIMITED | Private company limited by shares | Live |
| REGAL SECRETARIAL AND ACCOUNTING SERVICES LIMITED | Private company limited by shares | Live |
| REGAL ACHIEVE LIMITED | Private company limited by shares | Live |
| REGAL ACHIEVER LIMITED | Private company limited by shares | Dissolved |
| REGAL ACME LIMITED | Private company limited by shares | Dissolved |
| REGAL ACTION LIMITED | Private company limited by shares | Dissolved |
| REGAL ACTION LIMITED | Private company limited by shares | Live |
| REGAL ACTIVE LIMITED | Private company limited by shares | Live |
| REGAL ACTIVE TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| ADAMANT REGAL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| ADVANCE REGAL LIMITED | Private company limited by shares | Live |
| REGAL AGENCIES LIMITED | Private company limited by shares | Dissolved |
| Regal Hill Property Agency Company Limited | Private company limited by shares | Live |
| REGAL ESTATE AGENTS LIMITED | Private company limited by shares | Live |
| REGAL POWER AGENTS LIMITED | Private company limited by shares | Dissolved |
| REGAL ALLIANCE LIMITED | Private company limited by shares | Live |
| REGAL ALLIED LIMITED | Private company limited by shares | Dissolved |