| Company | Timeline | Status | |
| Robert Frith Two Limited Director • Unreported | 4 Oct 2018←7 Years→Current | Active | |
| Robert Frith Opticians (Twickenham) Limited Director • Unreported | 1 Oct 2018←7 Years→Current | Active | |
| Robert Frith Services Limited Director • Unreported | 7 Dec 2000←24 Years→Current | Active | |
| Robert Frith Opticians (Wessex) Limited Director • Unreported | 12 Mar 1999←26 Years→Current | Active | |
