| Company | Timeline | Status | |
| W.N. Lindsay Limited Director • Company Director | 30 Jan 2021←4 Years→Current | Active | |
| Loretto School Limited Director • Company Director | 28 Mar 2014←6 Years→9 Oct 2020 | Active | |
| J.P. Simpson & Co. (Export) Limited Director • Managing Director | 5 Apr 2013←12 Years→Current | Active | |
| J.P. Simpson And Company (Alnwick) Limited Director • Unreported | 5 Apr 2013←12 Years→Current | Active | |
| McCreath Simpson Limited Director • Unreported | 22 Mar 2013←12 Years→Current | Active | |
| John Guthrie Limited Director • Unreported | 12 Aug 2011←14 Years→Current | Active | |
| Mistley Waterworks Limited Director • Maltster | 13 Nov 2006←1 Year 7 Months→2 Jul 2008 | Active | |
| Simpsons Malt Limited Director • Unreported | 7 Nov 2002←23 Years→Current | Active | |
| McCreath Simpson & Prentice Limited Director • Unreported | 5 May 1999←26 Years→Current | Active | |
| J.P. Simpson And Company (Alnwick) Limited Director • Sales Director | 3 Oct 1997←10 Years→21 Jan 2008 | Active | |
