| Company | Timeline | Status | |
| Henry Kemp Ltd Director • Director  | 24 Feb 2016←9 Years→Current  | Active  | |
The Highways Industry Confederation Limited Director • Director  | 24 Jul 2006←11 Years→17 Jul 2018  | Dissolved  | |
| Henry Kemp (Road Maintenance) Limited Director • Director  | 20 May 2004←21 Years→Current  | Active  | |
Road Safety Markings Association Ltd Director • Managing Director  | 27 Mar 2002←16 Years→19 Feb 2019  | Dissolved  | |
| Henry Kemp (Tarmacadam) Limited Secretary • Unreported  | 31 Oct 2001←4 Years→1 Jun 2006  | Active  | |
| Henry Kemp (Road Markings) Limited Secretary • Unreported  | 31 Oct 2001←4 Years→1 Jun 2006  | Active  | |
| Henry Kemp (Road Maintenance) Limited Secretary • Unreported  | 31 Oct 2001←4 Years→1 Jul 2006  | Active  | |
Armourstud Limited Secretary • Company Director  | 7 Mar 2000←19 Years→17 Jan 2020  | Dissolved  | |
Armourstud Limited Director • Company Director  | 13 Oct 1994←25 Years→17 Jan 2020  | Dissolved  | |
| Henry Kemp (Road Markings) Limited Director • Director  | 6 Jun 1991←34 Years→Current  | Active  | |
