| Company | Timeline | Status | |
Allyson McDermott Interiors Limited Director • Historic Interiors Consultant | 13 Apr 2016←1 Year 8 Months→2 Jan 2018 | Dissolved | |
| Allyson McDermott Limited Director • Director | 25 Mar 2015←10 Years→Current | Active | |
Allyson McDermott Limited Director • Consultant, Designer, Maker | 4 Mar 2013←1 Year→1 Apr 2014 | Dissolved | |
| Institute Of Conservation Director • Director | 6 Dec 2005←11 Months→7 Nov 2006 | Active | |
