| Company | Timeline | Status | |
| DB Amplification Limited Director • Director | 26 Oct 2006←19 Years→Current | Active | |
| Rainsford Road Management Company Limited Director • Electronic Engineering | 23 Jul 1999←15 Years→5 May 2015 | Active | |
| Rainsford Road Management Company Limited Secretary • Electronic Engineering | 23 Jul 1999←15 Years→5 May 2015 | Active | |
