| Company | Timeline | Status | |
| Shield Environmental Holdings Limited Director • Technical Director | 19 Feb 2015←4 Years→17 May 2019 | Active | |
| Shield Environmental Services Limited Director • Technical Director | 19 Feb 2015←4 Years→17 May 2019 | Active | |
| Lilquest Asbestos Management Limited Director • Director | 1 Jan 2010←2 Years 5 Months→27 Jun 2012 | Dissolved | |
