| NEW PORTER LIMITED | Private company limited by shares | Dissolved |
| ECO PORTER LIMITED -THE- | Private company limited by shares | Live |
| Porter Capital Limited | | Live |
| PORTER ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| LuMa Porter Limited | | Live |
| WISDOM PORTER LIMITED | Private company limited by shares | Live |
| PORTERFIELD COMPANY LIMITED | Private company limited by shares | Live |
| UK PORTERGATE LIMITED | Private company limited by shares | Live |
| PORTERHOUSE LIMITED | Private company limited by shares | Dissolved |
| PORTERMAN LIMITED | Private company limited by shares | Live |
| PORTERMAN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| PORTERRA LIMITED | Private company limited by shares | Live |
| PORTERS LIMITED | Private company limited by shares | Dissolved |