| Company | Timeline | Status | |
| S.D.Walker Limited Director • Consultant Assessor | 28 Nov 2023←1 Year 11 Months→Current | Active | |
| ACR Training Limited Director • Tutor | 17 Mar 2020←5 Years→Current | Active | |
| S.D.Walker Limited Director • Director | 19 Nov 2018←2 Years 6 Months→25 May 2021 | Dissolved | |
| Service-Tech ACR Limited Director • Director | 13 Oct 2017←8 Years→Current | Active | |
Service-Tech ACR Ltd Director • Company Director | 20 Apr 2015←1 Year 4 Months→13 Sep 2016 | Dissolved | |
ACR Training Limited Director • Director | 24 Jun 2014←5 Years→11 Feb 2020 | Dissolved | |
Association Of Air Conditioning Energy Assessors Ltd Director • Mechanical Engineer | 1 Apr 2014←2 Years 8 Months→20 Dec 2016 | Dissolved | |
Service-Tech Solutions Limited Director • Director | 30 Aug 2013←5 Years→27 Aug 2019 | Dissolved | |
Walker-Fife Limited Director • Director | 4 Apr 2013←1 Year 2 Months→3 Jun 2014 | Dissolved | |
Telford Electrical Services Limited Director • Director | 21 Jan 2013←1 Year 4 Months→3 Jun 2014 | Dissolved | |
