| Company | Timeline | Status | |
| Spectrum Environmental Consultants Limited Director • Engineer | 17 Jul 2018←2 Months→15 Sep 2018 | Active | |
| Modellbauuk Limited Director • Unreported | 8 Aug 2012←13 Years→Current | Active | |
| Spectrum Environmental Solutions Limited Director • Chemist | 12 Aug 2002←19 Years→15 Sep 2021 | Dissolved | |
