| Company | Timeline | Status | |
| Allen Associates (London) Limited Director • Administrator | 24 Mar 2018←5 Years→17 Oct 2023 | Dissolved | |
| Allen Associates (Oxford) Limited Director • Administrator | 26 Jan 2001←24 Years→Current | Active | |
| Allen Associates (Oxford) Limited Secretary • Administrator | 26 Jan 2001←24 Years→Current | Active | |
