| Company | Timeline | Status | |
| Racefield Management Company Limited Director • Chartered Engineer | 5 Mar 2008←2 Years→26 Mar 2010 | Active | |
| Racefield Management Company Limited Secretary • Engineer | 31 Mar 2004←8 Years→25 Feb 2013 | Active | |
| Atlantic 4422 Limited Secretary • Unreported | 7 Apr 2000←1 Year 3 Months→3 Aug 2001 | Dissolved | |
| Harry Howard International Limited Director • Chartered Engineer | 31 Oct 1992←32 Years→10 Jun 2025 | Dissolved | |
Atlantic Boilers Limited Director • Consultant | 31 Dec 1991←24 Years→18 Oct 2016 | Dissolved | |
| Harry Taylor Artifacts Limited Director • Chartered Engineer | 31 Dec 1991←33 Years→Current | Active | |
| Building Services Research And Intelligence Association (The) Director • Engineer | 19 Nov 1991←11 Months→3 Nov 1992 | Active | |
