OCS Completes Acquistion of EMCOR UK, Strengthening Hard Services Capability

Bringing Together Two Leading Hard Services Organisations

OCS has formally completed the acquisition of EMCOR UK from EMCOR Group Inc., bringing together two of the UK’s largest hard services-led facilities services businesses. The combined organisation brings significant engineering depth, strong national coverage and a shared commitment to safe, high-quality service for customers across complex and critical environments. 

Building a Stronger UK Technical and Engineering Platform

The acquisition follows the purchase of FES FM and FES Support Services in 2024, further strengthening OCS’s capability in the UK hard services market. The combined division will include more than 7,000 engineers and annual revenues of more than £1 billion. This scale supports customers operating in highly regulated sectors, where resilience, compliance and performance are critical. 

Supporting Critical Sectors With Consistent Expertise

The integration brings together established capabilities across defence, data centres, government, healthcare, life sciences, and commercial property. Teams will support customers with a hard services-led approach to integrated facilities management, supported by deep technical expertise and a commitment to delivering reliable outcomes.

Strengthening Energy Services and Technology Enabled Engineering

Both organisations bring recognised strengths in asset data, performance insight, and predictive maintenance. These complement OCS’s established Energy Services team, supporting customers with energy management, decarbonisation strategies, compliance, smart building controls, and data-led engineering strategies that enhance performance and resilience. 

Supporting a Smooth Transition

Over the coming months, colleagues across the business will work together to ensure a smooth and well-supported integration. The transition will be guided by OCS’s mission to make people and places the best they can be, while continuing to deliver strong outcomes for customers and communities across the UK.