We are approved as a contractor or have long term contracts with many prestigious companies.

including regional electricity companies such as Scottish and Southern Energy, SEC, Scottish Power, and EDF Energy Ltd, Thames Water Utilities, Engenica, Tate and Lyle Sugars, British Airways plc, BP Oil Refinery, and various MOD and NHS Trust sites.

Case Studies:

Below are just a few of the many satisfied customers that Power Testing limited have worked with over the years.


We also support AMEC, Haden, Honeywell, Emcor, PFMS, Mitie and many other facilities management organisations and electrical contractors associated with large and small commercial clients.