| Company | Timeline | Status | |
| AJP Midlands Ltd Director • Director | 22 Oct 2024←1 Year→Current | Active | |
| Alan Johnston Partnership Holdings Limited Director • Civil And Structural Engineer | 12 Mar 2024←1 Year 7 Months→Current | Active | |
| Alan Johnston Partnership Limited Director • Civil & Structural Engineer | 16 Feb 2021←4 Years→Current | Active | |
| AJP 1978 LLP Designated LLP Member • Unreported | 1 Oct 2015←10 Years→Current | Active | |
