| Company | Timeline | Status | |
| Robert Davies John West Limited Director • Architect | 24 Jun 2002←23 Years→Current | Active | |
| Robert Davies John West Limited Director • Architect | 24 Jun 2002←22 Years→12 Jan 2025 | Active | |
| Robert Davies John West Investments Limited Director • Architectural | 8 Aug 1997←28 Years→Current | Active | |
| Robert Davies John West Investments Limited Director • Architectural | 8 Aug 1997←27 Years→12 Jan 2025 | Active | |
| Staines Preparatory School Trust Director • Architectural Consultant | 13 Feb 1993←30 Years→10 Mar 2023 | Active | |
| Wren Insurance Association Limited(The) Director • Architect Planner | 7 Mar 1992←4 Months→16 Jul 1992 | Active | |
