| Company | Timeline | Status | |
| Grant Henderson Tankers Limited Director • Director | 21 Jun 2011←14 Years→Current | Active | |
| Grant Henderson Transport Ltd Director • Director | 1 Aug 2006←4 Years→15 Jun 2011 | Active | |
| Argyle Cars Limited Director • Director | 27 Oct 2003←22 Years→Current | Active | |
| Grant Henderson Transport Ltd Secretary • Unreported | 21 Feb 2001←10 Years→15 Jun 2011 | Active | |
