| Company | Timeline | Status | |
| Blythswood 5481 Limited Director • Business Owner Communications Consultant | 24 Mar 2016←2 Years 11 Months→5 Mar 2019 | Active | |
| Horsecross ARTS Limited Director • Consultant | 4 Dec 2013←1 Year 4 Months→1 May 2015 | Active | |
| Glasgow School Of Art Director • Media Consultant | 1 Jun 2013←8 Years→13 Dec 2021 | Active | |
| Spreng Thomson Holdings Limited Director • Director | 23 Jun 2010←14 Years→31 Mar 2025 | Active | |
| Birmingham Royal Ballet Director • Management Consultant | 7 Dec 2009←3 Years→17 Jun 2013 | Active | |
| Spreng & Co. Limited Director • Director | 13 Feb 2008←16 Years→19 Sep 2024 | Dissolved | |
| Dewar ARTS Awards Director • Management Consultant | 15 May 2007←18 Years→Current | Active | |
| Glasgow School Of Art Director • Management Consultant | 1 Aug 2003←1 Month→17 Sep 2003 | Active | |
| Scottish Opera Director • Communications Management Cons | 29 Feb 2000←3 Years→16 Apr 2003 | Active | |
| Scottish Ballet Director • Management Consultant | 18 Sep 1997←9 Years→6 Dec 2006 | Active | |
