| Company | Timeline | Status | |
| The System Designer Ltd Director • Unreported | 11 Feb 2022←3 Years→Current | Active | |
| Guy Singleton Consulting Ltd Director • Engineer | 5 Mar 2018←7 Years→Current | Active | |
| Guy Singleton Consulting Ltd Director • Engineer | 5 Mar 2018←7 Years→1 Aug 2025 | Active | |
| The Lighting Designer Ltd Director • Unreported | 27 Oct 2017←8 Years→Current | Active | |
The Cinema Designer Ltd Director • Engineer | 20 Jan 2016←4 Years→28 Jan 2020 | Dissolved | |
