| Company | Timeline | Status | |
| SPS Marsland Limited Secretary • Unreported | 26 Nov 2007←18 Years→Current | Active | |
| SPS Geotech Systems Limited Director • Unreported | 26 Nov 2007←18 Years→Current | Active | |
| SPS Substructure Protection Limited Director • Unreported | 26 Nov 2007←18 Years→Current | Active | |
| Substructure Protection Services Ltd Director • Manager | 10 Apr 2000←21 Years→5 Jan 2022 | Dissolved | |
