| Company | Timeline | Status | |
| System Training Limited Director • Chartered Accountant | 15 Feb 2016←9 Years→Current | Active | |
| David Allen Group Limited Director • Chartered Accountant | 2 Feb 2015←10 Years→Current | Active | |
| David Allen Agriculture Limited Director • Chartered Accountant | 19 Aug 2014←11 Years→Current | Active | |
| David Allen Agribusiness Limited Director • Unreported | 12 Dec 2012←13 Years→Current | Active | |
| David Allen Recovery Solutions Limited Director • Chartered Accountant | 20 Mar 2012←13 Years→Current | Active | |
| Debts-In Limited Director • Managing Partner Chartered Accountant | 3 Jan 2012←13 Years→Current | Active | |
| David Allen It Limited Director • Chartered Accountant | 5 Aug 2010←15 Years→Current | Active | |
| David Allen Employer Services Limited Director • Chartered Accountant | 5 Aug 2010←15 Years→Current | Active | |
Knights Leisure Limited Director • Chartered Accountant | 11 May 2010←2 Years 6 Months→30 Nov 2012 | Liquidation | |
| Carlisle Youth Zone Director • Charteed Accountant | 29 Dec 2009←3 Years→9 Jul 2013 | Active | |
