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

Our Values

People
We offer an unrivalled customer experience – friendly, open, responsive, communicative and always willing to go the extra mile. We respect and valueour colleagues and enjoy coming to work.

Our Values

Teamwork
We are the sum of our collective talent. We share ideas, experience and skills; challenge and question; encourage and appreciate; and hold each other to account. By working as one big team, we achieve more than we ever could alone.

Our Values

Excellence
We set and achieve ambitious goals. We take pride in what we do and are passionate about our people, processes, products and services. We approach every challenge with a determination to succeed.

Our Values

Honesty
Our honesty, integrity and openness are key to the strong, positive relationships we build with our customers. We are fair, loyal, make principled choices and do the right thing.

People

Heritage

Our Work

All Projects

News & Social

  • In the latest profile of faces behind our business, meet our National Business Development Manager, Lisa Beaman. Li… https://t.co/YK8PU4UW64

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  • We’re delighted to have completed this MEP installation with @vermont_group at Liverpool Waters – a fantastic schem… https://t.co/NhcFWcN6qV

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  • HE Simm Completes MEP Project at Peel L&P’s Liverpool Waters

    HE Simm has completed a Mechanical, Electrical and Public Health (MEP) installation at Peel L&P’s Liverpool Waters, a mixed-use regeneration scheme in north Liverpool. The project, located in the heart of the Liverpool Waters development at Plaza 1821, forms part of the £5billion regeneration scheme by Peel L&P on behalf of Regenda – which will see Continue Reading

  • HE Simm Completes £19m MEP Shoreditch Redevelopment Project

    HE Simm has completed a £19m Mechanical, Electrical and Public Health (MEP) installation at a mixed-use development in the London district of Shoreditch. The work forms part of a London Borough of Hackney Education scheme which has seen an old school site on Nile Street developed as the ‘Makers’ – a mixed-used educational and residential Continue Reading