| Company | Timeline | Status | |
| Little Warkworth House (Isleworth) Management Company Limited Director • Record Producer/composer | 16 Jan 2015←11 Years→Current | Active | |
| Tony Swain Limited Director • Record Producer | 31 Dec 1992←33 Years→Current | Active | |
| Tony Swain Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
