| Company | Timeline | Status | |
| Derby Quad Limited Director • Curator | 22 Jan 2015←4 Years→27 Mar 2019 | Active | |
| Chris Brown Structural Engineering Limited Director • Director | 1 Apr 2008←8 Years→18 Jan 2017 | Active | |
| Chris Brown Structural Engineering Limited Secretary • Director | 1 Apr 2008←8 Years→18 Jan 2017 | Active | |
