| Company | Timeline | Status | |
| Avengers (Film & T.V.) Enterprises Limited(The) Director • Music Composer | 29 Dec 1992←31 Years→16 Jan 2024 | Active | |
| Mark I Productions Limited Director • Music Composer | 30 Nov 1992←31 Years→16 Jan 2024 | Active | |
| Mark Ii Productions Limited Director • Music Composer | 18 Aug 1992←31 Years→16 Jan 2024 | Active | |
Sound Supervision Limited Director • Music Composer | 27 Jul 1992←21 Years→1 Jul 2014 | Dissolved | |
| Gainsborough (Film & T.V.) Pictures Limited Director • Music Composer | 26 Apr 1992←31 Years→16 Jan 2024 | Active | |
| Laurie Johnson Music Publishers Limited Director • Music Composer | 17 Apr 1992←31 Years→16 Jan 2024 | Active | |
| Laurie Johnson Organisation Limited(The) Director • Music Composer | 29 Dec 1991←32 Years→16 Jan 2024 | Active | |
