| BRAINSTORM COMPANY LIMITED | Private company limited by shares | Dissolved |
| BRAINSTORM COMPANY LIMITED | Private company limited by shares | Live |
| Brainstorm Architecture Limited | Private company limited by shares | Dissolved |
| BRAINSTORM SUPPLY CHAIN COMPANY LIMITED | | Live |
| Brainstorm Consultancy Limited | Private company limited by shares | Live |
| BRAINSTORM DIGITAL COMPANY LIMITED | Private company limited by shares | Live |
| BRAINSTORM TRADE CO. LIMITED | Private company limited by shares | Live |
| AT WEALTHY BRAINSTORM LIMITED | Private company limited by shares | Live |
| BRAINSTORMER LAB LIMITED | Private company limited by shares | Live |
| BRAINSTORMER LAN LIMITED | Private company limited by shares | Live |
| BRAINSTORMERS LIMITED -THE- | Private company limited by shares | Live |
| BRAINSTORMERS GROUP LIMITED -THE- | Private company limited by shares | Live |
| BrainStormHK Limited | Private company limited by shares | Live |
| Brainstorming Limited | Private company limited by shares | Live |
| Brainstorming Entertainment Limited | Private company limited by shares | Live |
| Brainstormteam Limited | Private company limited by shares | Dissolved |