| Company | Timeline | Status | |
| Gaillard Consulting Limited Director • Director | 18 May 2012←10 Years→25 Apr 2023 | Dissolved | |
| Camutek Limited Director • Consulting Engineer | 2 Jul 2008←3 Years→31 May 2012 | Dissolved | |
| Peter Dann Holdings Limited Director • Engineer | 22 Dec 2006←5 Years→31 May 2012 | Active | |
| PD Consulting Engineers Ltd Director • Director | 10 Jan 2005←7 Years→31 May 2012 | Dissolved | |
| Peter Dann International Limited Director • Chartered Engineer | 24 Feb 2004←8 Years→31 May 2012 | Dissolved | |
| Xanadome Limited Director • Consulting Engineer | 24 Jul 2000←11 Years→25 Jun 2012 | Active | |
| Peter Dann Limited Director • Engineer | 10 Apr 1992←20 Years→31 May 2012 | Active | |
