| Company | Timeline | Status | |
| Stevenson Thermal Insulation Limited Secretary • Unreported | 31 May 1996←27 Years→7 May 2024 | Dissolved | |
| Stevenson Thermal Insulation (Holdings)Limited Secretary • Unreported | 1 Jun 1995←30 Years→Current | Active | |
| Olympia Patent Glazing Limited Director • Director | 28 Jan 1994←29 Years→24 Oct 2023 | Dissolved | |
| Olympia Patent Glazing Limited Secretary • Director | 28 Jan 1994←29 Years→24 Oct 2023 | Dissolved | |
| Independent Glass Company Limited Director • Director | 31 Dec 1988←18 Years→28 Jun 2007 | Active | |
| Independent Glass Company Limited Secretary • Unreported | 31 Dec 1988←26 Years→31 Mar 2015 | Active | |
| Ig Glass Group Limited Director • Director | 31 Dec 1988←18 Years→28 Jun 2007 | Active | |
| Ig Glass Group Limited Secretary • Unreported | 31 Dec 1988←26 Years→31 Mar 2015 | Active | |
Westcrowns Contracting Services Ltd Secretary • Unreported | 31 Dec 1988←26 Years→31 Mar 2015 | Active | |
Westcrowns Contracting Services Ltd Director • Director | 31 Dec 1988←18 Years→28 Jun 2007 | Active | |
