| Company | Timeline | Status | |
| DJ Willrich Av Limited Director • Director | 4 Apr 2011←14 Years→Current | Active | |
| DJ Willrich Holdings Limited Director • Director | 7 Jan 2011←14 Years→Current | Active | |
| DJW Projects Limited Director • Director | 29 Dec 2010←14 Years→Current | Active | |
| D J Willrich Exp Limited Director • Electronics Engineer | 8 Oct 1991←32 Years→31 Jan 2024 | Liquidation | |
| D J Willrich Exp Limited Secretary • Unreported | 8 Oct 1991←1 Year 3 Months→3 Feb 1993 | Liquidation | |
