| Company | Timeline | Status | |
| Chalk Contractor Management Limited Director • Architect | 22 Oct 2015←9 Years→3 Mar 2025 | Dissolved | |
Chalk D & P Ltd Director • Director | 17 Jan 2014←4 Years→27 Feb 2018 | Dissolved | |
Threshold Architecture Hub Cic Director • Architect | 18 Jul 2013←2 Years 8 Months→5 Apr 2016 | Dissolved | |
| Chalk Architecture Limited Director • Director | 6 Jun 2008←16 Years→3 Mar 2025 | Dissolved | |
