| BIGS FLY LIMITED | Private company limited by shares | Live |
| B.I.G.S. ASIA PACIFIC COMPANY LIMITED | Private company limited by shares | Live |
| BIGSAM PRODUCTION LIMITED | Private company limited by shares | Dissolved |
| BIGSANBROTHER LIMITED | Private company limited by shares | Live |
| BigScorpio Technology Limited | Private company limited by shares | Live |
| BIGSEA AI LIMITED | | Live |
| BIGSEA INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Big-Serve Limited | Private company limited by shares | Live |
| BIGSEVEN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BIGSHARE LIMITED | Private company limited by shares | Dissolved |
| BIGShell Limited | | Live |
| BIGSIGN LIMITED | Private company limited by shares | Dissolved |
| BIGSOURCE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| BIGSTAR LIMITED | Private company limited by shares | Live |
| HK BIGSTAR ENTERPRISE LIMITED | Private company limited by shares | Live |
| BIGSTAR INVESTMENT LIMITED | Private company limited by shares | Live |
| BIGSTART TRADING & SERVICE LIMITED | Private company limited by shares | Live |
| BIGSTATE LIMITED | Private company limited by shares | Dissolved |
| BIGSTEP LIMITED | Private company limited by shares | Live |
| HONG KONG BIGSTONE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| BIGSTONE INDUSTRIAL LIMITED | Private company limited by shares | Live |
| BIGSTONE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| BIGSTONE TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| BIGSTONE ELECTRONIC & TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |