| Company | Timeline | Status | |
| Daylight Redirection Limited Director • Contracts Director | 1 Jan 1999←22 Years→31 Jul 2021 | Dissolved | |
| E.C.P. Limited Director • Contracts Director | 1 Jan 1999←22 Years→31 Jul 2021 | Dissolved | |
| Daylight Redirecting Film Limited Director • Contracts Director | 1 Jan 1999←22 Years→31 Jul 2021 | Active | |
| Durable Protection Limited Director • Contracts Director | 1 Jan 1999←22 Years→31 Jul 2021 | Dissolved | |
| Virdisgroup Limited Director • Contracts Director | 1 Jan 1999←7 Years→1 Aug 2006 | Active | |
| Durable North Limited Director • Contracts Director | 1 Jan 1999←22 Years→31 Jul 2021 | Dissolved | |
| Autotint Limited Director • Contracts Director | 1 Jan 1999←22 Years→31 Jul 2021 | Active | |
| Window Films Limited Director • Contracts Director | 1 Jan 1999←22 Years→31 Jul 2021 | Dissolved | |
| Durable Solar Control Limited Director • Contracts Director | 1 Jan 1999←22 Years→31 Jul 2021 | Dissolved | |
| Durable Vision Limited Director • Director | 30 Jun 1998←23 Years→31 Jul 2021 | Active | |
