What our customers have to say about us!

“Lancashire County Council have been working with GMS for many years. They currently carry out all of our Legionella Risk Assessments across our estate of 1000+ properties we manage. We are extremely happy with GMS and the services they are providing us. A reliable company who provide me with peace of mind that our buildings have been inspected in accordance with current HSE guidance. They also provide us with mechanical services and general Legionella remedial works which we are very happy with. I would highly recommend GMS Services.”

Jason O’Keeffe - 2017,
Legionella Officer – LCC

“GMS have been our preferred Legionella contractor for over 10 years. They have consistently provided us with a high level of service. This includes, Legionella Risk Assessments, Monitoring & Servicing and remedial works. The systems we have in place have been designed by GMS to suit our needs for our portfolio of properties.”

Mark Murphy - 2014,
Facilities Manager – GGHT

“GMS Services provide a first class service to a portfolio of our properties. GMS are employed on an annual basis to support our company and our schools in delivering effective water hygiene management. This involves, risk assessment, on-going monitoring and maintenance along with disinfections of water systems to ensure compliance with current guidance and legislation.”

David Loxam - 2016,
Property Manager – Property Management Company – Manchester

“GMS are my "got to" company for legionella remedial works. They have carried out some major refurb projects including tank replacements and plant refurbishment. They also carry out risk assessments on complex water systems. They have never lets me down and our clients are always impressed with the results they get from GMS when sub-contracting to them.”

Craig Johnson,
Facilities Management Professional

“Thank you for what the team did for us. A full chlorination of the boosted cold water system and tanks to 307 apartments out of hours. Extra staff turned up late in the day to give the job a push. Very impressed and so is our client Reneker. Thanks for your help.”

Andrew Moss - 2018,
MWA ECO SYSTEMS

“JCI Property Management appoint GMS to carry out all our water hygiene / water treatment related services. We manage a variety of properties including healthcare, specialist social care and hotels. GMS provide a complete package of water management that includes, risk assessment, water monitoring and reporting, consultancy, training and mechanical remedial works. It is so convenient to have a good reliable company who can cover all bases for us. We would highly recommend GMS to anyone looking for peace of mind and trust in a contractor..”

Michelle Pye - 2020,
JCI Property Management Services

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.

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Understanding Backflow Prevention and Why It Matters

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Commercial Water Pressure Problems: Causes and Solutions

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GMS Spring Team Day 2026

Yesterday we got the whole GMS team together for our latest company day — and it was a great mix of learning, teamwork, and a bit of fun competition. We kicked things off in the morning with anti-harassment and mental health training, reinforcing how important it is to maintain a supportive and respectful workplace for… Read more »

More great feedback about #TeamGMS

👉 Another fantastic piece of feedback from one of our hospital clients in the South West—received by one of our directors. #healtcare #respect #dignity #workethic #communication #staff #culture #legionella #waterhygiene #commercialplumbing Hi Jamie,  Do hope you are well?  We had Ryan, Niall and Aarron on site these past two weeks. We just wanted to express… Read more »