| Company | Timeline | Status | |
| Roof Integrity Limited Director • Company Secretary/director | 24 Dec 2018←6 Years→27 Jan 2025 | Active | |
| TCSS Limited Director • Company Secretary | 9 Dec 2008←17 Years→Current | Active | |
| Ruberoid Works Pension Trustee Limited Director • Company Secretary | 11 Dec 2006←1 Year 11 Months→4 Dec 2008 | Dissolved | |
| Ruberoid Pension Trustee Limited Director • Company Secretary | 11 Dec 2006←1 Year 11 Months→4 Dec 2008 | Active | |
| The Waterproofing Group Plc Director • Company Secretary | 11 Jul 2006←2 Years 5 Months→10 Dec 2008 | Dissolved | |
Ruberoid Limited Director • Company Secretary | 26 Oct 2005←3 Years→10 Dec 2008 | Dissolved | |
| Iko Plc Director • Company Secretary | 12 Aug 2005←3 Years→10 Dec 2008 | Active | |
| Iko U.K. Limited Director • Company Secretary | 23 Nov 2004←4 Years→10 Dec 2008 | Active | |
Permanite Limited Director • Company Secretary | 10 Mar 2004←4 Years→10 Dec 2008 | Dissolved | |
| Briggs Amasco Limited Director • Company Secretary | 1 Jan 2002←6 Years→10 Dec 2008 | Active | |
