Our office coverage and customer portfolio.

We currently have twelve UK locations and a training academy for domestic dual fuel engineers. Our dedicated helpdesk staff are based at support centres in Cardiff, Glasgow and Cambridge.

View our locations  ARROW

SMS Plc - Where we operate map

Our partners

SMS has long-standing multi-level relationships with energy suppliers responsible for the rollout of smart metering, connections and pursuing innovative ways to reduce consumer energy demand:

Top six UK energy suppliers, independent energy suppliers and rapidly growing new market participants

Major UK housebuilders and numerous UK-wide private and public property development organisations


  • Large supermarket chains
  • Retail chains
  • High street banks
  • Major rail and telecoms companies