| ICSA BoardRoom Apps (HK) Limited | Private company limited by shares | Live |
| Boardroom (HK) Limited | Private company limited by shares | Dissolved |
| BOARDROOM CORPORATE SECRETARIES (HK) LIMITED | Private company limited by shares | Live |
| Boardroom Nominee (HK) Limited | Private company limited by shares | Live |
| Boardroom Share Registrars (HK) Limited | Private company limited by shares | Live |
| BOARDROOM INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Boardroom Professionals Company Limited | Private company limited by shares | Live |
| BOARDROOM PROFESSIONALS NOMINEES LIMITED | Private company limited by shares | Live |
| Boardroom Secretaries Limited | Private company limited by shares | Live |
| BOARDROOM CORPORATE SERVICES (HK) LIMITED | Private company limited by shares | Live |
| BOARDROOM TRADING LIMITED | Private company limited by shares | Dissolved |
| Boardroom Trustee Limited | Public company limited by shares | Live |