Meet Martin – PPM Engineer

Length of service as of April 2023 – 12 months I have been at GMS for around 12 months now and during that time I have been working as a water hygiene engineer.  My day to day tasks are to carry out the planned preventative maintenance side (PPM) taking water temperatures, servicing expansion vessels ,calorifiers,… Read more »

Legionella Risk Assessments

We are now fully up and running with this service following a reduction in this service due to COVID closures. We have implemented a social distancing policy and procedure which includes the following 2 Meter distancing from your site personnel Gloves to be worn at all times. New gloves to be put on if we… 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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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 »