| Company | Timeline | Status | |
| Cognita Technologies Limited Director • Computer System Designer | 7 Dec 2007←5 Years→3 Jan 2013 | Active | |
| Arcontech Solutions Limited Director • Computer System Designer | 7 Dec 2007←5 Years→3 Jan 2013 | Active | |
| Arcontech Group Plc Director • Director | 4 Sep 2007←5 Years→3 Jan 2013 | Active | |
| Arcontech Limited Director • Computer Systems Designer | 1 Oct 2003←9 Years→3 Jan 2013 | Active | |
| Net Effect Again Limited Director • Consultant | 13 Nov 1991←33 Years→19 Nov 2024 | Dissolved | |
