| Company | Timeline | Status | |
| Deganwy Lodge Management Limited Director • Director | 9 Jul 2025←3 Months→Current | Active | |
Henry Smith ( Structures) Ltd Director • Director | 16 Mar 2015←1 Year 5 Months→30 Aug 2016 | Dissolved | |
| Guangxi Talc Limited Director • Chemical Merchant | 14 Jun 1995←4 Years→30 Jun 1999 | Active | |
| Haichen Talc Limited Director • Chemical Merchant | 14 Jun 1995←4 Years→30 Jun 1999 | Active | |
| Baker Sillavan Limited Director • Chemical Merchant | 14 Jun 1995←4 Years→30 Jun 1999 | Active | |
Henry Smith (Constructional Engineers) Limited Director • Chairman | 22 Jun 1992←27 Years→30 Jan 2020 | Dissolved | |
| Amcol Minerals Europe Limited Director • Technical Director | 10 Oct 1991←7 Years→30 Jun 1999 | Active | |
