Meet the Team: Tom Sullivan

At GMS, we’re proud to shine a spotlight on the people who help keep things running smoothly behind the scenes—and on the front lines. Today, we’re catching up with Tom Sullivan, one of our dedicated Water Hygiene Engineers, who’s been with us for the past eight months. Tom joined GMS eight months ago and hit… Read more »

Meet the Team: Lee Haggerty

This week, we’re putting the spotlight on one of our talented team members who keeps the wheels turning (and the pipes flowing) at GMS — say hello to Lee Haggerty! Lee joined GMS just over a year ago and has been a key part of our plumbing team ever since. As one of our skilled… Read more »

The Critical Importance of Water Hygiene Planned Preventative Maintenance (PPM) in Healthcare Settings

In healthcare environments—where vulnerable patients rely on safe, clean surroundings—water hygiene is not just a compliance issue; it’s a critical aspect of patient safety and infection control. Planned Preventative Maintenance (PPM) for water systems is an essential strategy to prevent microbial contamination, protect at-risk individuals, and meet stringent regulatory standards. What is Water Hygiene PPM?… Read more »

Meet the Team: Abi Rogers – From Admin to Engineer

At GMS, we’re proud to celebrate the people who make our work not just productive, but truly enjoyable. Today, we’re shining a spotlight on Abi Rogers, whose journey with us has been nothing short of inspiring. From Admin Desk to Engineering Sites Abi joined GMS in September 2023 on a 12-month contract, originally covering maternity… Read more »

Contract News!

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

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 »

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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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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 »

Why are males more susceptible to Legionellosis?

Why are males more susceptible to Legionellosis? Males are consistently reported to have a higher incidence of Legionnaires’ disease than females — typically 2–3 times higher. This is due to a combination of behavioural, biological, and environmental factors: 1. Higher exposure risk 2. Pre-existing health conditions 3. Biological / immune differences 4. Lung capacity (possible… Read more »

What Is BSRIA BG29 & BG50?

BG29 (Pre-Commission Cleaning of Pipework Systems) sets out best practice for cleaning commercial heating and cooling pipework before it is handed over. When new systems are installed, they contain: Mill scale from steel pipework Jointing compounds and flux residues Installation debris Construction dust and particulates If not properly removed, these contaminants: Block strainers and control… Read more »