| Brainstormteam Limited | Private company limited by shares | Dissolved |
| Brainstrong Company Limited | Private company limited by shares | Live |
| BRAINSTRONG ENTERTAINMENT LIMITED | | Live |
| BRAINSTUFF CREATIVES LIMITED | Private company limited by shares | Dissolved |
| Brainsum Limited | Private company limited by shares | Live Commenced dormancy on 25-Apr-2014 |
| BRAINSYNERGIES LIMITED | Private company limited by shares | Live |
| DR YIP BRAINTEQ COMPANY LIMITED | Private company limited by shares | Dissolved |
| BRAINTIME LIMITED | Private company limited by shares | Dissolved |
| BRAINTIME LIMITED | Private company limited by shares | Dissolved |
| Braintive Limited | Private company limited by shares | Live |
| BRAINTREE LIMITED | Private company limited by shares | Live |
| Braintree Business Solution Limited | Private company limited by shares | Live |
| BRAINTREE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| The Brainverse. Limited | | Live |
| POP BRAINVERSE GLOBAL TECHNOLOGY LIMITED | | Live |
| BRAINWAVE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Brainwave Limited | | Live |
| BRAINWAVES COMPANY LIMITED | Private company limited by shares | Dissolved |
| Brainwavz Audio Limited | Private company limited by shares | Live |
| BRAINWELL LIMITED | Private company limited by shares | Dissolved |
| BRAINWIN HK LIMITED | Private company limited by shares | Live |
| BRAINWIZZ LIMITED | Private company limited by shares | Dissolved |
| BRAINWORKS LIMITED | Private company limited by shares | Live |
| BRAINWORKS ASIA LIMITED | Private company limited by shares | Live |
| DAIJOR BRAINWORKS LIMITED | Private company limited by shares | Dissolved |
| BRAINWORLD LIMITED | Private company limited by shares | Dissolved |
| BrainX Company Limited | | Live |
| BRAIN-X HOLDING CO., LIMITED | Private company limited by shares | Live |
| BRAINY LIMITED | Private company limited by shares | Dissolved |
| BRAINY WIN LIMITED | Private company limited by shares | Live |
| BRAINY COMPANY LIMITED | | Live |
| Brainy 100 Limited | | Live |
| Brainy Bunch Limited -The- | Private company limited by shares | Dissolved |
| Brainy Owl English Learning Center Limited | Private company limited by shares | Live |
| BRAINY DESIGN LIMITED | Private company limited by shares | Dissolved |
| BRAINY DESIGN & ADVERTISING LIMITED | Private company limited by shares | Dissolved |
| Brainy Economist Investment Limited | Private company limited by shares | Live |
| Mr Brainy Education Limited | | Live |
| DR. BRAINY EDUCATION CENTER LIMITED | Private company limited by shares | Dissolved |
| BRAINY KIDS EDUCATION LIMITED | Private company limited by shares | Live |
| Brainy Kiddies Playgroup Limited | | Live |
| BRAINY PUBLICATION LIMITED | Private company limited by shares | Dissolved |
| BRAINY RESOURCES LIMITED | Private company limited by shares | Dissolved |
| BRAINY TRADING LIMITED | Private company limited by shares | Live |
| Brainzoom Company Limited | Private company limited by shares | Live |