| Company | Timeline | Status | |
| 3 Sloane Avenue, London SW3 Limited Director • Photograph Dealer | 10 Apr 2001←24 Years→Current | Active | |
| 3 Sloane Avenue, London SW3 Limited Director • Photograph Dealer | 10 Apr 2001←23 Years→15 Jan 2025 | Active | |
| Robert Hershkowitz Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
