| Company | Timeline | Status | |
| Sheila Jacobs Limited Director • Recording Engineer | 16 Nov 2011←5 Years→28 Feb 2017 | Active | |
| Jon Jacobs Limited Director • Recording Engineer | 12 Sep 2003←22 Years→Current | Active | |
| Sheila Jacobs Limited Secretary • Unreported | 19 Mar 2003←22 Years→Current | Active | |
