| Company | Timeline | Status | |
| Taxguard Limited Secretary • Chartered Tax Advisor | 15 Feb 2005←9 Years→21 Oct 2014 | Active | |
| Price Pearson Limited Director • Chartered Secretary Lecturer | 1 May 2002←8 Years→31 Jul 2010 | Active | |
| Vatwise Limited Director • Chartered Tax Adviser | 14 Nov 1997←16 Years→21 Oct 2014 | Active | |
| Vatwise Limited Secretary • Chartered Tax Adviser | 14 Nov 1997←16 Years→21 Oct 2014 | Active | |
| Taxwise Limited Director • Tax Practitioner | 31 Dec 1991←22 Years→21 Oct 2014 | Active | |
| Crotel Management Limited Director • Tax Practitioner | 7 Dec 1991←20 Years→25 May 2012 | Active | |
