| Company | Timeline | Status | |
| BDML Analytics Limited Director • Director | 1 Apr 2015←9 Years→6 May 2024 | Dissolved | |
| Scamalytics Ltd Director • Mathematician | 20 Jun 2012←2 Years 5 Months→30 Nov 2014 | Active | |
| Recsys Ltd Director • Mathematical Entrepreneur | 21 Nov 2008←14 Years→10 Feb 2023 | Active | |
Spreadsheet Innovations Limited Director • Software Author | 1 Oct 2006←10 Years→20 Mar 2017 | Dissolved | |
Starthere Director • Partner | 28 Jun 2000←2 Years 6 Months→20 Jan 2003 | Dissolved | |
Spreadsheet Innovations Limited Secretary • Unreported | 1 Apr 1997←9 Years→30 Oct 2006 | Dissolved | |
Spreadsheet Innovations Limited Director • Management Consultant | 7 Nov 1994←2 Years 5 Months→30 Apr 1997 | Dissolved | |
Brent Mind (Association For Mental Health) Director • Unreported | 23 May 1992←3 Months→15 Sep 1992 | Dissolved | |
