| Company | Timeline | Status | |
| Aasw Ltd Director • Consultant | 28 Jan 2025←9 Months→Current | Active | |
| SSHHH Limited Director • Director | 20 Apr 2000←25 Years→Current | Active | |
| SSHHH Limited Secretary • Engineer | 12 Apr 2000←25 Years→Current | Active | |
| Ian Sharland Limited Director • Engineer | 22 Apr 1998←27 Years→Current | Active | |
| First Databank UK Ltd Director • Consultant Acoustic Engineer | 23 Nov 1993←2 Years 8 Months→1 Aug 1996 | Active | |
| Acoustic Associates South West Ltd Secretary • Engineering | 20 Mar 1991←34 Years→Current | Active | |
| Acoustic Associates South West Ltd Director • Engineering | 20 Mar 1991←34 Years→Current | Active | |
