| Company | Timeline | Status | |
| Keystone Scaffolding Limited Director • Director | 11 Oct 2010←11 Years→12 Apr 2022 | Dissolved | |
| Keystone Roofing Ltd Director • Director | 25 Jul 2009←16 Years→Current | Active | |
| Keystone Plastics Limited Director • Company Director | 29 Aug 2006←19 Years→Current | Active | |
| Keystone Plastics Limited Secretary • Company Director | 29 Aug 2006←19 Years→Current | Active | |
| Keystone Roofing & Facades Limited Secretary • Co Director | 23 Oct 2003←22 Years→Current | Active | |
| Keystone Roofing & Facades Limited Director • Co Director | 23 Oct 2003←22 Years→Current | Active | |
| Russell Roofing Ltd Director • Company Director | 21 Mar 2003←22 Years→Current | Active | |
| Russell Roofing Ltd Secretary • Company Director | 21 Mar 2003←22 Years→Current | Active | |
| Keystone Roofing Supplies Limited Director • Company Director | 24 Apr 2002←23 Years→Current | Active | |
| Keystone Roofing Supplies Limited Secretary • Company Director | 24 Apr 2002←23 Years→Current | Active | |
