| TOPIC LIMITED | Private company limited by shares | Dissolved |
| SKY TOPIC LIMITED | Private company limited by shares | Live |
| Topic Inc Limited | | Live |
| TOPIC ASIAN LIMITED | Private company limited by shares | Live |
| ASIAN CONSULTING TOPIC LIMITED | Private company limited by shares | Dissolved |
| Topic Corp Limited | Private company limited by shares | Live |
| Grand Topic Company Limited | Private company limited by shares | Live |
| A TOPIC GROUP LIMITED | Private company limited by shares | Live |
| HEALTH TOPIC LIMITED | Private company limited by shares | Dissolved |
| TOPIC OFFICE SYSTEMS (HK) LIMITED | Private company limited by shares | Live |
| TOPIC INVESTMENT HOLDINGS LIMITED | Private company limited by shares | Live |
| TOPIC (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| TOPIC (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| TOPIC INDUSTRIAL LIMITED | Private company limited by shares | Live |
| BASIC TOPIC INTERNATIONAL LIMITED | Private company limited by shares | Live |
| TOPIC INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| TOPIC INTERNATIONAL DEVELOPMENT CO., LIMITED | Private company limited by shares | Live |
| New Topic International Trading Company Limited | Private company limited by shares | Live |
| GOLD TOPIC INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TOPIC INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| TOPIC LIGHT CO., LIMITED | Private company limited by shares | Dissolved |
| TOPIC ADVERTISING PRODUCTION CO., LIMITED | Private company limited by shares | Live |
| TOPIC PROPERTY INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| Topic Technology Limited | Private company limited by shares | Live |
| TOPIC TRADE LIMITED | Private company limited by shares | Dissolved |
| TOPIC TRANSIT LICENCE LIMITED | Private company limited by shares | Dissolved |
| TOPIC TRANSIT TRADING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| TOPICA (HK) LIMITED | Private company limited by shares | Live |
| TOPICAL LIMITED | Private company limited by shares | Dissolved |
| TOPICAL SKY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| TOPICAL PARADISE LIMITED | Private company limited by shares | Live |
| Topical Wealth International Limited | Private company limited by shares | Live |
| TOPICK LIMITED | Private company limited by shares | Live |
| Topick Group (Hong Kong) Limited | Private company limited by shares | Live |
| Topicks Trading Limited | Private company limited by shares | Live |
| TOPICON LIMITED | Private company limited by shares | Dissolved |
| Topicon (HK) Limited | Private company limited by shares | Live |