| Company | Timeline | Status | |
| John Ritchie (Christian Publisher) Ltd Director • None | 25 Jan 2012←10 Years→19 Dec 2022 | Active | |
| Ritchie Christian Media Ltd Director • None | 25 Jan 2012←10 Years→19 Dec 2022 | Active | |
| John Ritchie (Kilmarnock) Ltd Director • None | 25 Jan 2012←10 Years→19 Dec 2022 | Active | |
| John Ritchie Limited Director • Retired | 22 Dec 2011←9 Years→19 Aug 2021 | Active | |
| The Skills Development Scotland Co. Limited Director • Retired | 19 May 2008←2 Years 2 Months→31 Jul 2010 | Active | |
| Ulster Real Estate Limited Director • Retired Uni Vice Chancellor | 1 Apr 2006←16 Years→28 Mar 2022 | Dissolved | |
| Sac Corporate Trustee Limited Director • Retired-former University Prin | 5 Oct 2005←8 Years→10 Oct 2013 | Active | |
| Sruc Innovation Limited Director • Retired-former University Principal | 5 Oct 2005←8 Years→10 Oct 2013 | Active | |
| Sruc Director • Retired-former University Prin | 5 Oct 2005←8 Years→10 Oct 2013 | Active | |
| Scottish Ufi Limited Director • Retired | 1 Nov 2004←5 Years→31 Jul 2010 | Dissolved | |
