| Company | Timeline | Status | |
| Butler & Young Residential Limited Director • Electrical Engineer | 19 Sep 2005←1 Year 2 Months→22 Nov 2006 | Dissolved | |
| Socotec Building & Real Estate Holdings Limited Director • Electrical Engineer | 7 Jul 2004←2 Years 4 Months→22 Nov 2006 | Active | |
| Socotec Building Control Limited Director • Consulting Engineer | 4 Apr 1996←10 Years→22 Nov 2006 | Active | |
| Butler & Young Lift Consultants Limited Director • Consulting Engineer | 16 Apr 1992←4 Years→12 Dec 1996 | Active | |
| Butler & Young Services Limited Director • Consulting Engineer | 14 Aug 1991←21 Years→3 May 2013 | Active | |
