| Company | Timeline | Status | |
| Insulution Limited Director • Director | 26 Feb 2008←17 Years→Current | Active | |
| Krempel UK Limited Director • Joint Managing Director | 1 Sep 2002←3 Years→1 Dec 2005 | Active | |
| Krempel Limited Director • Joint Managing Director | 1 Sep 2002←5 Years→15 Feb 2008 | Dissolved | |
| Krempel Limited Secretary • Salesman | 3 Apr 1992←8 Years→7 Jul 2000 | Dissolved | |
