| Company | Timeline | Status | |
| Woodlands Cornwall Management Ltd Director • Chartered Engineer | 14 Dec 2021←3 Years→Current | Active | |
| Butler & Young Associates Limited Director • Director | 14 Dec 2017←5 Years→14 Feb 2023 | Dissolved | |
| Mobius Consulting Group Limited Director • None | 30 Dec 2010←11 Years→8 Feb 2022 | Dissolved | |
| Butler & Young Services Limited Secretary • Chartered Engineer | 28 Feb 2005←20 Years→Current | Active | |
| Socotec Building Control Limited Director • Consulting Engineer | 4 Apr 1996←8 Years→7 Jul 2004 | 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←34 Years→Current | Active | |
