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. 

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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

Contract News!

by GMS Services |

GMS is proud to announce that we have been awarded a new contract to deliver Legionella Services for Bolton Council over the next three years. This marks a continuation of a longstanding relationship with Bolton Council, spanning 19 years through both direct contracts and partnerships with FM providers. We are now delighted to be reappointed… Read more »

Why Dirty Water Systems May Show No Detectable Legionella: A Closer Look at Bacterial Dynamics and Mutations

by GMS Services |

In water hygiene management, it’s not uncommon to encounter heavily contaminated water systems that, despite appearing ideal for Legionella pneumophila proliferation, return negative results for Legionella during microbiological analysis. These situations often raise questions about sampling accuracy, environmental suitability, bacterial competition, and the complex behaviour of microbial communities under stress. High TVC, No Legionella: What’s… Read more »