Legionella Dossier – Podcast with Carl Ollerton GMS Services Ltd
When Jamie Green of Legionella Dossier met up with over Technical Director Carl Ollerton.
When Jamie Green of Legionella Dossier met up with over Technical Director Carl Ollerton.





With our extensive experience in Legionella Risk Assessment Services & Water Treatment Services Contact us today to find out how we can help you.
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 »
At GMS, we are pushing beyond traditional temperature monitoring and redefining what connected compliance means for modern buildings and estates. Our goal is simple: use intelligent monitoring to identify risks as they develop, not after they have already happened. From Routine Checks to Real-Time Control Conventional water safety checks rely on manual readings taken every… Read more »
On 7th October 2025, the GMS team came together for our Autumn Team Day — the second of our twice-yearly events designed to bring our people together, strengthen our shared values, and celebrate our successes. The day combined a variety of activities including training sessions, games, a team quiz, and even a few competitive padel… Read more »
GMS deliver trusted water hygiene, plumbing, unvented hot water servicing & cold water tank replacements for block management companies across the UK. Why GMS Are the Trusted Choice for Block Management Companies When it comes to water hygiene, commercial plumbing, and unvented hot water servicing, block management companies need a partner who not only understands… Read more »