Mitie’s acquired businesses

We have acquired a range of specialist businesses that enhance the services we offer.

Our acquired businesses are part of the wider Mitie family, chosen for their unique skills, technology and expertise; accelerating innovation and strengthening the portfolio of services we offer to our customers.

From energy and decarbonisation, to security, telecoms and engineering, together we are creating a dynamic and thriving future for both our company and our customers, with a shared commitment to delivering the exceptional, every day.

Forest Group

Acquired: 11 December 2025

Sector: Engineering services

Mitie announced the acquisition of Forest Group, an engineering service for refrigeration such as walk-in fridges, freezers, cellar cooling and blast chillers to some of the UK’s leading brands in hospitality and retail.

Argus Fire

Acquired: 4 October 2025

Sector: Security services

Mitie announced the acquisition of Argus Fire, an engineering-led fire systems business with over 40 years of experience in the design, installation, and maintenance of fixed fire protection and detection systems. Helping customers stay compliant and safe across buildings and estates throughout the UK.

Marlowe plc

Acquired: 4 August 2025

Sector: Fire and Security

Mitie announced the acquisition of Marlowe PLC, a UK leader in Fire & Security and Environmental Services, to enhance facilities compliance capabilities across fire, security and environmental services for the UK’s most complex and regulated organisations including local authorities, NHS trusts and FTSE 100 companies.

Grupo Visegurity

Acquired: 7 October 2024

Sector: Security services

Mitie announced the acquisition of Grupo Visegurity, a leading Spanish security business. Visegurity has over 20 years of experience in security services, primarily focusing on manned guarding, alarm response and access control, alongside concierge, patrol and security systems services, supported by a 24/7 control centre.

ESM Power

Acquired: 1 August 2024

Sector: Engineering services

Mitie announced the acquisition of ESM Power, a leading electrical engineering business specialising in grid and power connections. ESM Power will enhance Mitie’s high voltage connections expertise and add design capabilities and private network solutions to support customers in the upgrade and decarbonisation of their property portfolios.

Cliniwaste

Acquired: 10 October 2023

Sector: Waste services

Mitie announced the acquisition of Cliniwaste, experts in the specialist treatment of waste in healthcare environments, to complement its existing services for the NHS, helping to achieve its sustainability targets.

JCA Engineering

Acquired: 4 September 2023

Sector: Project services

Mitie announced the acquisition of JCA Engineering, a leading critical environment project designer and principal contractor. JCA’s particular focus on critical environments such as data centres, life sciences and healthcare sectors enhances Mitie’s capability in energy efficiency, office fitouts and critical environments projects.

G2 Energy

Acquired: 1 August 2023

Sector: Decarbonisation services

Mitie announced the expansion of its battery energy storage and electrical engineering capabilities with the addition of the former G2 Energy team, to enhance Mitie’s energy and decarbonisation capabilities.

R H Irving Industrials

Acquired: 2 May 2023

Sector: Security services

Mitie announced the acquisition of R H Irving Industrials, a specialist security firm delivering a broad range of complex security services including electronic and physical security systems, cyber protection, civil engineering and earthing services with a particular focus on highly regulated sectors including critical national infrastructure and utilities.

Esoteric

Acquired: 17 November 2021

Sector: Security services

Mitie announced it had acquired Esoteric Ltd, a specialist provider of counter espionage and surveillance countermeasure services. Building on Mitie’s existing risk analysis and intelligence capabilities, the acquisition will strengthen its position as the largest provider of security services to business.

Rock Power Connections

Acquired: 1 November 2021

Sector: Decarbonisation services

Mitie announced the acquisition of Rock Power Connections Ltd, a specialist in the design and installation of new high voltage electricity supplies, the renewal of electrical assets up to 132kV and EV charge points, enhancing Mitie’s existing capabilities and ability to address energy TCO for new and existing customers.

DAEL Ventures Ltd

Acquired: 5 August 2021

Sector: Telecom services

Mitie announced its intention to acquire DAEL Ventures UK, including DAEL Telecom, JB Towers and JISTICS, creating a new Telecoms division within Mitie to provide market leading capabilities from mast design to the decommissioning of sites.

Global Aware International Group

Acquired: 2 August 2019

Sector: Security services

Mitie announced the acquisition of Global Aware International Group, a leading provider of intelligent software and security solutions to support the management of buildings across client estates, enhancing Mitie’s portfolio of premium technology-enabled and intelligence-led security solutions.

Source Eight​

Acquired: 27 November 2014

Sector: Consultancy services

Mitie announced it had acquired a majority stake in Source Eight Ltd, the real estate, technology and risk management consultancy to build on its consultancy services offering.

Utilyx

Acquired: 10 January 2012

Mitie announced it had acquired the leading energy and carbon management specialist Utilyx, a provider of strategic planning, procurement and risk management services, to strengthen Mitie’s existing energy services capability.