Our office coverage and customer portfolio.

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

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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:

Major 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
  • Public sector organisations
  • I&C businesses