| Company | Timeline | Status | |
| Diamond Diesels Investments Limited Director • None | 15 Dec 2009←3 Years→24 May 2013 | Active | |
| Diamond Diesels (UK) Limited Director • Director | 1 Jan 2009←4 Years→24 May 2013 | Active | |
| G & C Taylor Limited Director • Director | 30 May 2007←18 Years→Current | Active | |
