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