| Company | Timeline | Status | |
| Blackstone Integrated Projects Limited Director • Company Director | 14 Apr 2020←3 Years→6 Jun 2023 | Dissolved | |
| Blackstonebsd Limited Director • Unreported | 3 Oct 2016←9 Years→Current | Active | |
McCallum Building Services Engineers LLP Designated LLP Member • Unreported | 2 Jul 2014←1 Year 2 Months→29 Sep 2015 | Dissolved | |
Sphere Design Solutions Limited Director • Director | 13 Aug 2010←5 Years→1 Sep 2015 | Dissolved | |
