| Company | Timeline | Status | |
| SKN Lab Limited Director • Photographer | 31 May 2016←9 Years→Current | Active | |
| Art House Agency Ltd Director • Photographer | 23 Dec 2013←10 Years→26 Dec 2023 | Dissolved | |
| DS Photography Limited Director • Photographer | 19 Dec 2013←11 Years→Current | Active | |
| INTL Magazine Limited Director • Photographer | 18 Jul 2012←13 Years→Current | Active | |
| Art House Agency Ltd Director • Photographer | 11 Oct 2011←2 Years 1 Month→5 Dec 2013 | Dissolved | |
| 47 Fitzroy Road Freehold Limited Director • Photographer | 29 Oct 2008←5 Years→28 Oct 2013 | Active | |
| David Sims Capture Limited Director • Photographer | 4 Apr 2008←17 Years→Current | Active | |
| David Sims Photography Ltd Director • Photographer | 3 Nov 1999←26 Years→Current | Active | |
