| Company | Timeline | Status | |
| Modann Limited Director • Chartered Engineer | 11 May 2018←7 Years→Current | Active | |
| Peter Dann International Limited Director • Chartered Engineer | 1 Aug 2017←5 Years→24 Jan 2023 | Dissolved | |
| Peter Dann Holdings Limited Director • Engineer | 1 Oct 2013←12 Years→Current | Active | |
| PD Consulting Engineers Ltd Director • Engineer | 1 Oct 2013←9 Years→25 Apr 2023 | Dissolved | |
| Peter Dann Limited Director • Engineer | 1 Oct 2013←12 Years→Current | Active | |
| Grange Road (THE Paddocks) Management Company Limited Director • Structural Engineer | 30 Jun 2012←13 Years→Current | Active | |
