| LINKU LIMITED | Private company limited by shares | Dissolved |
| LINK-U LIMITED | Private company limited by shares | Live |
| LINKU LIGHTING AND AUDIO LIMITED | Private company limited by shares | Live |
| Linku Consulting Co., Limited | | Live |
| LINK-U ELETRONICS LIMITED | Private company limited by shares | Live |
| HONGKONG LINKU INTERNATIONAL LIMITED | | Live |
| LINKU INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| LINK-U INTERNATIONAL CO. LIMITED | Private company limited by shares | Dissolved |
| LINKU (INTERNATIONAL) LIMITED | Private company limited by shares | Live |
| LINKU INVESTMENTS LIMITED | Private company limited by shares | Live |
| LINKU TECH LIMITED | Private company limited by shares | Live |
| LINK-UK OVERSEAS STUDENT ACCOMMODATION CONSULTANCY LIMITED | Private company limited by shares | Live |
| Link-UK Property Consultancy Limited | Private company limited by shares | Live |
| LINKUN LIMITED | Private company limited by shares | Dissolved |
| LINKUNIT LIMITED | Private company limited by shares | Dissolved |
| LINKUNIT INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| LINK-UP LIMITED | Private company limited by shares | Dissolved |
| LINKUP LIMITED | Private company limited by shares | Dissolved |
| Linkup Advertisement Co. Limited | Private company limited by shares | Dissolved |
| LINKUP ALLIANCE CORPORATION PTE LIMITED | Private company limited by shares | Dissolved |
| Linkup Asia Limited | Private company limited by shares | Live |
| B&B LINKUP SERVICE BUSINESS CORPORATION LIMITED | Private company limited by shares | Dissolved |
| LINKUP CATERING LIMITED | | Live |
| EURO CHINA LINK-UP LIMITED | Private company limited by shares | Live |
| LINKUP STORE EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| LINKUP COMPUTER LIMITED | Private company limited by shares | Live |
| Linkup Concept Limited | Private company limited by shares | Live |
| Linkup Consulting Limited | Private company limited by shares | Live |
| LinkUp Business Management and Consulting Company Limited | Private company limited by shares | Live |
| LINKUP CREATIVE LIMITED | Private company limited by shares | Live |
| LINK-UP DESIGN LIMITED | Private company limited by shares | Live |
| Easy Linkup Limited | | Live |
| LINK-UP ELECTRONICS MANUFACTURING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Link-Up Engineering Company Limited | Private company limited by shares | Live |
| Linkup Exchange Limited | | Live |
| LINK-UP CARGO EXPRESS CO., LIMITED | Private company limited by shares | Live |
| FULL LINK-UP LIMITED | Private company limited by shares | Live |
| LINK-UP GOOD LIMITED | Private company limited by shares | Live |
| LINKUP GROUP LIMITED | | Live |
| LINK-UP (HK) LIMITED | Private company limited by shares | Live |
| Link-up Company (HK) Limited | Private company limited by shares | Live |
| LINK-UP (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Linkup Technology Limited | Private company limited by shares | Live |
| LINKUP INTERNATIONAL (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| LINK-UP INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| LINKUP INDUSTRIAL LIMITED | Private company limited by shares | Live |
| LINK-UP INTERNATIONAL LIMITED | Private company limited by shares | Live |
| LINKUP INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| LINK-UP INVESTMENT LIMITED | Private company limited by shares | Live |
| LINKUP SECRETARY LIMITED | Private company limited by shares | Live |
| SMART LINKUP LIMITED | Private company limited by shares | Live |
| Linkup Solution Limited | Private company limited by shares | Live |
| Linkup Systems Limited | Private company limited by shares | Live |
| Talent Linkup Limited | Private company limited by shares | Live |
| Linkup Technologies Limited | Private company limited by shares | Live |
| Linkup Technology Limited | Private company limited by shares | Live |
| LINKUP TRADE LIMITED | Private company limited by shares | Dissolved |
| LINK-UP TRADING LIMITED | Private company limited by shares | Dissolved |
| Linkup Trading Limited | Private company limited by shares | Live |
| LINKUPON HOLDINGS, LIMITED | Private company limited by shares | Live |
| LINKUS CONCEPT STUDIO LIMITED | Private company limited by shares | Live |
| LinkUs Global Co., Limited | Private company limited by shares | Live |
| LINKUS HONG KONG LIMITED | Private company limited by shares | Live |
| LinkUs Talent Solutions Asia Limited | Private company limited by shares | Live |
| LINKUS TRADING LIMITED | Private company limited by shares | Live |
| LINKUSER INT'L TRADING LIMITED | Private company limited by shares | Live |