| Company | Timeline | Status | |
| David Manson Pianos Limited Director • Unreported | 22 Oct 2003←22 Years→Current | Active | |
| David Manson Pianos Limited Secretary • Unreported | 22 Oct 2003←22 Years→Current | Active | |
Harrow Piano Works Limited Director • Self Employed | 23 Feb 1996←18 Years→7 Oct 2014 | Dissolved | |
Harrow Piano Works Limited Secretary • Self Employed | 23 Feb 1996←18 Years→7 Oct 2014 | Dissolved | |
