| Company | Timeline | Status | |
| 61 Great Cumberland Place Limited Director • Musician | 10 Jan 2000←25 Years→Current | Active | |
| Whild John Music Limited Director • Composer/artiste | 31 Jan 1992←33 Years→Current | Active | |
| Whild John Music Limited Secretary • Unreported | 31 Jan 1992←33 Years→Current | Active | |
| Perseverance Records Limited Director • Artiste/composer | 30 May 1991←34 Years→Current | Active | |
| Perseverance Limited Director • Artiste/composer | 14 May 1991←34 Years→Current | Active | |
| Barn Publishing (Slade) Limited Director • Company Director | 25 Dec 1990←34 Years→Current | Active | |
