| Company | Timeline | Status | |
| Youth Theatre ARTS Scotland Director • Building Services Design Engineer | 27 Apr 2012←2 Years 7 Months→5 Dec 2014 | Active | |
| Cryptic Glasgow Ltd Director • Engineer | 26 Sep 2000←7 Years→13 Nov 2007 | Active | |
| Dance Base Limited Director • Engineer | 23 Nov 1998←7 Years→24 Apr 2006 | Active | |
Henderson Warnock Facilities Management Limited Director • Engineer | 21 Oct 1998←20 Years→11 Dec 2018 | Dissolved | |
| Glasgow Sculpture Studios Limited Director • Engineer | 17 Aug 1998←5 Years→5 May 2004 | Active | |
| The Scottish Youth Theatre Limited Director • Engineer | 18 May 1998←20 Years→25 Jun 2018 | Active | |
| Shelf Company (70 HD) Limited Director • Engineer | 26 Jan 1998←7 Years→2 Jun 2005 | Active | |
| Henderson Warnock Limited Director • Engineer | 29 Oct 1997←28 Years→Current | Active | |
