We are one of the UK’s top five family-owned and operated mechanical, electrical and public health (MEP) businesses.

Delivering outstanding projects throughout the built environment for valued customers across the UK.

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90% of Our Work is Repeat Business

100% of our clients would recommend us

8.9 out of 10 Project KPI Score

70 Years of Engineering Excellence

News & Social

  • Happy Global Day of Parents! Today we’d like to recognise all our colleagues who’ve been balancing work and parenti… https://t.co/UaV9KCo8NC

  • We were incredibly touched to receive this postcard from the @LivHospitals to thank us for our donation of water bo… https://t.co/NAPu9QvlAF

  • HE Simm Awarded a Place on London & Quadrant Housing Trust Framework

    HE Simm, one of the UK’s leading family-owned MEP providers has been awarded a place on south east housing association, London & Quadrant’s, framework for mechanical and electrical work packages (under £8m) for 2020 to 2024. The award is part of an ongoing refresh of favoured suppliers and consultants for the residential developer – one Continue Reading