| Company | Timeline | Status | |
| Chapter Brewing Company Limited Director • Director | 7 Jul 2016←9 Years→Current | Active | |
| Richard Baker Harrison Limited Director • Chemical Trade | 6 Mar 2008←8 Years→31 Jan 2017 | Active | |
| Richard Baker Harrison Limited Director • Chemical Trader | 1 Jul 2007←8 Months→4 Mar 2008 | Active | |
| Amcol Minerals Europe Limited Director • Marketing | 10 Oct 1991←12 Years→31 Dec 2003 | Active | |
| Guangxi Talc Limited Director • Mineral Merchant | 9 Aug 1991←12 Years→26 Feb 2004 | Active | |
| Haichen Talc Limited Director • Mineral Merchant | 9 Aug 1991←12 Years→26 Feb 2004 | Active | |
| Baker Sillavan Limited Director • Mineral Merchant | 9 Aug 1991←12 Years→26 Feb 2004 | Active | |
