| Company | Timeline | Status | |
| Rateblock Property Management Limited Director • Viticultural Consultant And Author | 18 Nov 2020←4 Years→Current | Active | |
| SP Skelton Limited Director • Unreported | 27 Oct 2011←14 Years→Current | Active | |
| Institute Of Masters Of Wine(The) Director • Consultant And Writer | 8 Sep 2010←6 Years→14 Sep 2016 | Active | |
| Ashdown Residents Association Limited Director • Unreported | 22 Sep 2004←21 Years→Current | Active | |
| Marshalsea Road Management Company Limited Director • Writer | 11 Aug 2000←7 Years→22 Oct 2007 | Active | |
| English Wine Producers Limited Director • Wine Consultant | 27 Jun 2000←7 Years→12 Sep 2007 | Active | |
| Wines Of Great Britain Limited Secretary • Winemaker | 13 Jun 1996←1 Year 1 Month→21 Jul 1997 | Active | |
| Wines Of Great Britain Limited Director • Winemaker | 13 Jun 1996←6 Years→7 May 2003 | Active | |
