| Company | Timeline | Status | |
| J A Kemp LLP Non-designated LLP Member • Unreported | 30 Sep 2019←3 Months→31 Dec 2019 | Active | |
| Fenkle Street BPRA Property Fund LLP Non-designated LLP Member • Unreported | 22 Mar 2011←14 Years→Current | Active | |
| J A Kemp Holdings Limited Director • None | 6 Aug 2010←9 Years→17 Dec 2019 | Active | |
Cpa Germany Holdings Limited Director • Patent Attorney | 18 Nov 2005←6 Years→14 Dec 2011 | Dissolved | |
| Cpa Global Management Services Ltd Director • Patent Attorney | 18 Nov 2005←6 Years→14 Dec 2011 | Active | |
| Cpaush Ltd Director • Patent Attorney | 18 Nov 2005←6 Years→14 Dec 2011 | Active | |
Cpafh1 Ltd Director • Patent Attorney | 18 Nov 2005←6 Years→14 Dec 2011 | Dissolved | |
Cpafh2 Ltd Director • Patent Attorney | 18 Nov 2005←6 Years→14 Dec 2011 | Dissolved | |
| Computer Patent Annuities International Limited Director • Patent Attorney | 18 Nov 2005←6 Years→14 Dec 2011 | Active | |
| Overtidy Limited Director • Patent Attorney | 31 Dec 2001←17 Years→17 Dec 2019 | Active | |
