| Company | Timeline | Status | |
| Graefe Limited Director • Managing Director | 5 Aug 1998←9 Years→31 Aug 2007 | Active | |
| Memoryqueue Trading Limited Director • Manager | 24 Jul 1998←9 Years→31 Aug 2007 | Active | |
Richard Graefe Limited Director • Administrator Director | 30 Aug 1991←21 Years→2 Apr 2013 | Dissolved | |
