| TANDEM LIMITED | Private company limited by shares | Dissolved |
| E & M TANDEM LIMITED | Private company limited by shares | Live |
| TANDEM CAPITAL LIMITED | Private company limited by shares | Live |
| Tandem Estate Co., Limited | | Live |
| TANDEM DESIGN LIMITED | Private company limited by shares | Live |
| Digital Tandem Limited | | Live |
| Tandem Groups Limited | Private company limited by shares | Live |
| TANDEM INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| Tandem Investors Limited | Private company limited by shares | Live |
| Tandem Legendary Limited | Private company limited by shares | Live |
| Tandem Moving Limited | Private company limited by shares | Live |
| Tandem Plus Limited | Private company limited by shares | Live |
| Shipshape Tandem Limited | Private company limited by shares | Live |
| Tandem Venture Studio Limited | | Live |
| Tandem Technology Company Limited | Private company limited by shares | Live |
| TANDEM TOYS LIMITED | Private company limited by shares | Live |
| TANDEM VENTURE CAPITAL LIMITED | Private company limited by shares | Live |