| Company | Timeline | Status | |
Trevor Johnson Associates Ltd Director • Director | 7 Jan 2003←12 Years→7 Apr 2015 | Dissolved | |
| The Association Of Taxation Technicians Director • Chartered Tax Adviser | 24 Jul 1992←11 Years→6 Jul 2004 | Active | |
| Institute Of Taxation(The) Director • Tax Practitioner | 31 May 1992←11 Years→27 Jun 2003 | Active | |
