| Company | Timeline | Status | |
| Nokia Technologies (UK) Limited Director • Patent Attorney | 1 Oct 2015←2 Months→30 Nov 2015 | Dissolved | |
| Ip Federation Director • Patent Attorney | 14 Jan 2005←7 Years→18 Oct 2012 | Active | |
Nigel Johnson Limited Secretary • Patent Attorney | 20 Aug 2002←17 Years→1 Oct 2019 | Dissolved | |
| 125 Management Limited Director • Unreported | 15 Jun 2001←24 Years→Current | Active | |
| Padford Limited Director • Patent Attorney | 15 Aug 1998←1 Year 10 Months→12 Jun 2000 | Active | |
