| Company | Timeline | Status | |
| Roll Over Productions Limited Director • Company Director | 5 May 2015←4 Months→16 Sep 2015 | Active | |
| John Cameron Productions Limited Director • Unreported | 21 Mar 2003←22 Years→Current | Active | |
| Cameron Film Limited Director • Unreported | 21 Mar 2003←22 Years→Current | Active | |
| John Cameron Music Limited Director • Musician/composer | 13 Jun 1991←34 Years→Current | Active | |
