About Us

SPEC Ltd started being a total substation support contractor to industry in August 2000. Since incorporation, SPEC Ltd is renowned for covering up to the 132kV power substation services, down to the mains 415v power networks. 

Who are SPEC Ltd?


With a client base ranging UK wide and overseas, SPEC Ltd has gained an exceptional reputation and knowledge base within its field, reflecting in it’s growth plan of achieving £10 million in 15 years. With this growth, SPEC Ltd have expanded nationally with the head office in Wakefield and branches in Aldershot, Oxford, Newcastle, Bromsgrove and Glasgow. In January 2018 the newly launched specialist multi utility services business, Ipsum Group selected SPEC Ltd as its second partner in their venture into the specialist utilities sector.

SPEC Ltd provide HV maintenance packages, tailored to either an operate and maintain or maintain only. Working directly with the end users, Original Equipment Manufacturer (OEMs), main contractors, subcontractors and FM providers, SPEC Ltd are capable of engineering any service to suit any situation.

24/7 call out service.
Available 365 days of the year.

Who we work with

We have built an excellent reputation within the industry for delivering projects on time, to budget and with an outstanding safety record. See what we’ve already achieved in our case studies.

6 + 7 =

”    We commissioned SPEC for a specialist 33 kV jointing job. I found SPEC to be a very proactive company in establishing material supply and jointer knowledge to enable a speedy repair. I would highly recommend SPEC and their jointers for any future projects or substation failures.   “

Simon Rollason, BP