| Company | Timeline | Status | |
| Building Products Index Limited Director • Manager | 30 Jan 2003←22 Years→Current | Active | |
| Building Products Index Limited Director • Manager | 30 Jan 2003←22 Years→9 Oct 2025 | Active | |
Architech Publishing Limited Director • Manager | 2 Oct 1992←21 Years→8 Apr 2014 | Dissolved | |
