Lorne Stewart Group

Together we are engineering the future

Welcome to Lorne Stewart Group. We are one of the UK's leading independent building services companies with an annual turnover of over £200m. Our group provides a range of specialist skills harnessed through our Mechanical & Electrical Engineering and Facilities services and offsite Modular Design & Construction business. We provide our customers with building service solutions throughout the construction and operational phases of any building asset.

Our businesses and services

Delivering operational excellence

Lorne Stewart Engineering is a regionalised building services contractor with offices in eight locations across England and Wales.

Enabling our customers to excel

Lorne Stewart Facilities deliver planned mechanical and electrical compliance contracts, reactive works, project completion as well as offering soft service integration with cleaning, security, washroom, energy solutions and pest control.

Engineering for tomorrow

Rotary Building Services is a national building services contractor focussed on delivering technically complex, major projects across the UK.

Leading in construction offsite innovation

Lorne Stewart’s Offsite facility design and manufacture a complete range of mechanical and electrical offsite prefabricated solutions for the construction and allied trades. The products and services offered support improving efficiencies through innovation within the UK construction industry.