| Company | Timeline | Status | |
| Stewart Inter Sea Ltd Director • Company Director  | 22 Jun 2018←7 Years→Current  | Active  | |
| Alex Stewart International Inspections Ltd Director • Director  | 16 Mar 2018←7 Years→Current  | Active  | |
| Alex Stewart Food Test Lab Ltd Director • Director  | 5 Mar 2015←10 Years→Current  | Active  | |
| A. Norman Tate & Co. Limited Director • Unreported  | 16 May 2007←18 Years→Current  | Active  | |
| A. Norman Tate & Co. Limited Secretary • Company Director  | 16 May 2007←18 Years→Current  | Active  | |
| Alex Stewart Agriculture Limited Secretary • Company Director  | 20 Apr 2007←18 Years→Current  | Active  | |
| Alex Stewart Agriculture Limited Director • Company Director  | 20 Apr 2007←18 Years→Current  | Active  | |
| As International Corporation Ltd Secretary • Unreported  | 1 Dec 2003←14 Years→1 May 2018  | Active  | |
| ALS Inspection UK Limited Director • Marketing Manager  | 1 Aug 2001←5 Years→17 Nov 2006  | Active  | |
| As International Corporation Ltd Director • Company Director  | 1 Oct 1993←32 Years→Current  | Active  | |
