Redefining Electrical Installation, Compliance and Maintenance.

We offer the best life cycle value through the use of smart system designs and state-of-the-art technology. If that's not enough, read on to see why you should partner with the McLennan Group for your building service requirements.

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Services to Suit You

Whatever building services you require, The McLennan Group is more than capable of providing the entire end-to-end service delivery.

With over 40 years’ experience in the building services industry, our team of highly qualified and dedicated professionals put your mechanical and electrical needs at the forefront of everything we do.

Working with a diverse range of clients, we have been able to achieve an enviable reputation for delivering cost-effective, high quality and reliable work.

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Call us on 01925 766 044

Our Sectors

We understand the unique needs of not only the services we provide, but the industries we work in. This is why we tailor your needs to everything we define, build and maintain for you, drawing on our experience in your sector.

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A Process Designed To Deliver Exceptional Customer Service To You


McLennan realise how important reliability is to all types of businesses, which is why we try to take care of every aspect of your project.


Once we receive final approval from your side, McLennan will guarantee the delivery of fully managed services that will address your installation needs.


In order for systems to perform for a longer period, it is essential that ongoing support and maintenance be provided to aid optimal use. At McLennan, we always get back to you for feedback and ensure that all systems are running in accordance with your expectations.

Case Studies

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