| Company | Timeline | Status | |
| Richert & Co Development Crigglestone Limited Director • Company Director | 27 Aug 2025←4 Months→Current | Active | |
| Richert & Co Development Burn Limited Director • Director | 17 Mar 2023←2 Years 9 Months→Current | Active | |
| Richert & Co Development Otterington Ltd Director • Director | 14 Mar 2023←2 Years 9 Months→Current | Active | |
| Richert Homes Limited Director • Director | 19 Aug 2021←2 Years 1 Month→17 Oct 2023 | Dissolved | |
| Richert & Co Construction Limited Director • Director | 18 Aug 2021←2 Years 8 Months→7 May 2024 | Dissolved | |
| Richert & Co Management Limited Director • Consultant | 18 Mar 2020←3 Years→17 Oct 2023 | Dissolved | |
| Richert & Co Development Limited Director • Consultant | 6 Mar 2020←5 Years→Current | Active | |
| Richert & Co Limited Director • Consultant | 4 Mar 2020←5 Years→Current | Active | |
| Egr Properties Limited Director • Director | 2 Oct 2014←11 Years→Current | Active | |
| Dr Karen H Simpson Expert Reports Ltd Director • Unreported | 2 Dec 2013←12 Years→Current | Active | |
