| SKY BRAIN LIMITED | Private company limited by shares | Dissolved |
| SEA BRAIN LIMITED | Private company limited by shares | Dissolved |
| BRAIN LIMITED | Private company limited by shares | Live |
| TOP BRAIN LIMITED | Private company limited by shares | Live |
| SKY BRAIN LIMITED | Private company limited by shares | Live |
| Brain Fun Company Limited | Private company limited by shares | Dissolved |
| EAT BRAIN LIMITED | Private company limited by shares | Live |
| EC Brain Limited | Private company limited by shares | Live |
| Brain It On Limited | | Live |
| WHOLE BRAIN ACCELERATED LEARNING ASSOCIATION LIMITED | Private company limited by shares | Live Commenced dormancy on 02-Apr-2015 |
| BRAIN I ADVERTISING CONSULTANCY & P R AGENCY LIMITED | Private company limited by shares | Dissolved |
| USA AILUN BRAIN SCIENCE INT'L SHARES LIMITED | Private company limited by shares | Live |
| AMERICAN NATIONAL BRAIN SCIENCE ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| BRAIN ARTS LIMITED | Private company limited by shares | Dissolved |
| BRAIN ASIA LIMITED | Private company limited by shares | Dissolved |
| BRAIN VALUE ASIA Limited | Private company limited by shares | Dissolved |
| BRAIN ASSETS LIMITED | Private company limited by shares | Dissolved |
| BRAIN BASE LIMITED | Private company limited by shares | Live |
| BRAIN LUCK BIOTECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| BIRD BRAIN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Brain Bouncy (Asia) Limited | Private company limited by shares | Live |
| BRIGHT BRAIN INTERNATIONAL ADVERTISEMENT LIMITED | Private company limited by shares | Dissolved |
| BRAIN CAPITAL BROTHERS LIMITED | Private company limited by shares | Dissolved |
| BRAIN BUILDER LEARNING CENTRE LIMITED | Private company limited by shares | Dissolved |
| BRAIN AND BULB LIMITED | | Live |
| BUSINESS BRAIN LIMITED | Private company limited by shares | Dissolved |
| Brain Business Consultant Limited -The- | Private company limited by shares | Live |
| BRAIN CASTING CO., LIMITED | Private company limited by shares | Live |
| BRAIN CHI CENTER LIMITED | Private company limited by shares | Dissolved |
| I BRAIN PLAYGROUP CENTER CO. LIMITED | Private company limited by shares | Live |
| BRAIN CENTRE LIMITED -THE- | Company limited by guarantee | Live |
| CHAMP BRAIN LIMITED | Private company limited by shares | Live |
| BRAIN CHAMPION LIMITED | | Live |
| BRAIN CHARM MOVIE COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHARTER BRAIN LIMITED | Private company limited by shares | Dissolved |
| BRAIN CHASE LIMITED | Private company limited by shares | Dissolved |
| Chiaki Brain Limited | Private company limited by shares | Live |
| Chili Brain Limited | Private company limited by shares | Live |
| CHINA BRAIN FOUNDATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| BRAIN CHINA INVEST LIMITED | Private company limited by shares | Dissolved |
| BRAIN CITY LIMITED | Private company limited by shares | Dissolved |
| BRAIN CLASSIC LIMITED | Private company limited by shares | Dissolved |
| CLEVER BRAIN LIMITED | Private company limited by shares | Live Commenced dormancy on 13-Mar-2015 |
| BRAIN PCB CO., LIMITED | Private company limited by shares | Dissolved |
| BRAIN ADVERTISING CO., LIMITED | Private company limited by shares | Dissolved |
| BRAIN EDU (H.K.) CO., LIMITED | Private company limited by shares | Dissolved |
| BRAIN HOLDING CO., LIMITED | Private company limited by shares | Live |
| BRAIN INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| Reno Brain Co., Limited | Private company limited by shares | Live |
| BRAIN SOLUTION CO., LIMITED | Private company limited by shares | Live |
| TNE BRAIN STORM CO., LIMITED | Private company limited by shares | Live |
| Brain Computer Limited | Private company limited by shares | Live |
| BRAIN CONSTRUCTIONS (HK) CO., LIMITED | Private company limited by shares | Live |
| BRAIN ASSET CONSULTING LIMITED | Private company limited by shares | Dissolved |
| Brain Storming Consulting Company Limited | Private company limited by shares | Live |
| TOP BRAIN INTERNATIONAL CORP LIMITED | Private company limited by shares | Live |
| COSMOS BRAIN LIMITED | Private company limited by shares | Dissolved |
| BRAIN CREATION LIMITED | Private company limited by shares | Dissolved |
| BRAIN CREATION LIMITED | Private company limited by shares | Dissolved |
| Cross Brain HK Inc. Limited | Private company limited by shares | Live |
| Brain Tec Design Limited | Private company limited by shares | Live |
| DRAGON BRAIN LIMITED | Private company limited by shares | Dissolved |
| BRAIN DRAGON LIMITED | Private company limited by shares | Dissolved |
| EAST BRAIN LIMITED | Private company limited by shares | Dissolved |
| EAST BRAIN LIMITED | Private company limited by shares | Dissolved |
| ECONOMIC BRAIN LIMITED | Private company limited by shares | Dissolved |
| EDISON BRAIN MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| HK BRAIN EDUCATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| Brain world education group co., Limited | Private company limited by shares | Live |
| BRAIN AND MIND EDUCATION CENTER CO., LIMITED | Private company limited by shares | Dissolved |
| BRAIN POWER PLUS EDUCATION LIMITED | Private company limited by shares | Live |
| BRAIN POWER EDUCATION LIMITED | Private company limited by shares | Live |
| BRAIN POWER UP EDUCATION LIMITED | Private company limited by shares | Live |
| SUPER BRAIN EDUCATION LIMITED | Private company limited by shares | Live Commenced dormancy on 20-Mar-2013 |
| WISE BRAIN EDUCATION LIMITED | | Live |
| BRAIN POWER INTERNATIONAL ELEC. CO., LIMITED | Private company limited by shares | Live |
| Electric Brain Limited | Private company limited by shares | Live |
| VEDIO BRAIN ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| BRAIN ELITE LIMITED | Private company limited by shares | Dissolved |
| BRAIN ENLIGHTENMENT LIMITED | Private company limited by shares | Dissolved |
| TOP BRAIN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| BRAIN EVER LIMITED | Private company limited by shares | Live |
| EXCEL BRAIN LIMITED | Private company limited by shares | Dissolved |
| EXPERT BRAIN LIMITED | Private company limited by shares | Dissolved |
| Brain Factory Limited | Private company limited by shares | Live |
| BRAIN FAME LIMITED | Private company limited by shares | Live |
| Brain Family Innovation HK Limited | | Live |
| FASHION BRAIN POOL LIMITED | Private company limited by shares | Dissolved |
| CHINA NEW BRAIN FERTILITY EDUCATION GROUP LIMITED | Private company limited by shares | Live |
| FOCUS BRAIN LIMITED | Private company limited by shares | Dissolved |
| BRAIN FOOTWEAR LIMITED | Private company limited by shares | Dissolved |
| BRAIN FORD LIMITED | Private company limited by shares | Dissolved |
| FORTUNE BRAIN LIMITED | Private company limited by shares | Dissolved |
| FORTUNE BRAIN PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| BRAIN CENTRE FOUNDATION LIMITED | Company limited by guarantee | Live |
| Brain Friends Limited | Private company limited by shares | Live |
| BRAIN FUTURE LIMITED | Private company limited by shares | Dissolved |
| FUTURE BRAIN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| IQ GOAT BRAIN GAMES LIMITED | | Live |
| Brain Lap Gaming Limited | Private company limited by shares | Live |