| Company | Timeline | Status | |
| Ready For Brexit Limited Director • Consultant | 1 May 2018←6 Months→25 Nov 2018 | Dissolved | |
| AJM Consult Limited Director • Unreported | 8 Jan 2015←10 Years→Current | Active | |
| Barth Innovations Limited Director • Company Director | 1 Mar 2007←7 Years→3 Oct 2014 | Dissolved | |
| Barth-Haas UK Limited Director • Company Director | 1 Mar 2007←7 Years→3 Oct 2014 | Active | |
| Elixarome Limited Director • Company Director | 1 Mar 2007←1 Year 5 Months→1 Aug 2008 | Active | |
Hop Services Limited Director • Company Director | 1 Mar 2007←7 Years→3 Oct 2014 | Dissolved | |
| Simply Hops Ltd Director • Company Director | 1 Mar 2007←7 Years→3 Oct 2014 | Active | |
