Market-leading quality for the water hygiene sector 

GMS Services delivers a wide range of mechanical and plumbing services to commercial and industrial clients across the UK.

We pride ourselves on the quality of our installations from start to finish. Our skilled and certified team of mechanical services engineers combine years of experience to provide a fully bespoke solution for any water system, from remedial works and system upgrades to a full install. 

Contact our specialist team today 

Our dedicated team of NVQ qualified, trained and skilled engineers have a wealth of experience in plumbing, heating and legionella remedial services, including:

    • Legionella remedial works
    • Cold-water storage tank refurbishment, relining, and replacement
    • Dead leg removal and pipework upgrades
    • Bypass of cold-water tanks and mains conversions
    • Unvented hot water system installations and maintenance
    • New hot water system installations
    • Backflow prevention and water regulations upgrades and installations
    • Calorifier installations and upgrades
    • Thermostatic Mixing Valve (TMV) installation and upgrades
    • RPZ Valve installations and maintenance
    • Domestic and commercial heating and closed system modifications
    • General plumbing maintenance
    • Installation and maintenance of chemical dosing equipment

Can’t see what you’re looking for? Our friendly and professional team has a wealth of experience providing practical and technical solutions to keep water systems safe and clean. Give us a call on 01257 424459 or leave us a message and we’ll get back to you.

Nationwide mechanical services for commercial buildings

We deliver specialist mechanical and plumbing services to complex commercial, industrial and residential buildings across a wide range of sectors, including education, local authority and public sector, residential (domestic and communal hubs), hospitality and leisure, residential care, retail, healthcare and manufacturing.

Accredited mechanical services contractor 

GMS Services is an accredited member of the Legionella Control Association (LCA) which means we work to the highest possible standards and comply with industry recognised codes of conduct to ensure our clients’ water systems remain safe. We are also certified by CHAS, the leading health and safety and environmental contractor scheme, and Gas Safe register. 

Find out how we can help you! Give us a call on 01257 424459 or contact us with your requirements. 

Find out how we can help you!

With our extensive experience in Legionella Risk Assessment Services & Water Treatment Services Contact us today to find out how we can help you.

Contact Us

Thermostatic Mixing Valves (TMVs): Understanding TMV2, TMV3 and Your Legal Responsibilities

Thermostatic Mixing Valves (TMVs) play a critical role in controlling water temperature and reducing the risk of scalding in both domestic and commercial buildings. In higher-risk environments such as healthcare, care homes and education settings, correct valve selection, installation and ongoing maintenance is not just best practice – it is a legal and moral responsibility…. Read more »

How Passing TMVs Drive Legionella and Biofilm Formation

Passing TMVs create the exact conditions Legionella bacteria thrive in. The combined effects include: Once temperature control is lost, biofilm rapidly develops on internal pipe surfaces. Biofilm acts as: As biofilm thickens, it further restricts flow, worsening stagnation and creating a self-reinforcing cycle that accelerates colonisation. In many investigations of persistent Legionella positives, passing TMVs… Read more »

Meet our two Colleagues of the Year!

Winner – North Team: Maddie Smout It is with huge pleasure that we announce Maddie Smout as this year’s Colleague of the Year for the North team, an award that is entirely driven by colleague nominations, making it all the more meaningful. The feedback received about Maddie was overwhelming, consistent, and incredibly heartfelt. Time and… Read more »

Why Hot Water Circulation Failures Remain the Hidden Weakness in Legionella Risk Assessments and Where Remote Monitoring Fits In

Hot water circulation, or more accurately the absence of it, remains one of the most critical areas of focus for any competent Legionella risk assessor. Despite its importance, it continues to be overlooked in the majority of risk assessment documents produced across the industry. Alarmingly, this issue is not confined to inexperienced assessors; it appears… Read more »