| Company | Timeline | Status | |
| Wimbledon International Piano Competition Ltd Director • Company Director | 10 Dec 2018←4 Years→6 Jun 2023 | Dissolved | |
| The London Piano Centre Ltd Director • Piano Consultant | 12 Sep 2011←9 Years→12 Jan 2021 | Dissolved | |
| A. Hanna & Sons Pianos Limited Director • Company Director | 20 Nov 2003←21 Years→Current | Active | |
| Piano Contract Services Limited Director • Piano Specialist | 27 Feb 2003←5 Years→28 Feb 2008 | Active | |
