| Company | Timeline | Status | |
| Rovtech Systems Limited Director • Director | 22 May 2014←9 Years→29 Aug 2023 | Dissolved | |
| Rovtech Solutions Limited Secretary • Engineer | 17 Dec 2001←13 Years→25 Nov 2015 | Active | |
| Howard Smith Consultancy Limited Director • Unreported | 12 Apr 1996←29 Years→Current | Active | |
| Rovtech Solutions Limited Director • Engineer | 22 Feb 1996←19 Years→25 Nov 2015 | Active | |
| Howcol Properties Limited Secretary • Engineer | 9 Feb 1996←29 Years→Current | Active | |
| System Cam Limited Director • Engineer | 22 Jan 1996←5 Years→1 Mar 2001 | Liquidation | |
| System Cam Limited Secretary • Engineer | 22 Jan 1996←5 Years→1 Mar 2001 | Liquidation | |
| Howcol Properties Limited Director • Unreported | 1 Oct 1994←31 Years→Current | Active | |
| Fugro Subsea Services Ltd Director • Chartered Engineer | 1 May 1991←4 Years→9 Feb 1996 | Active | |
