Who We Are

Thomson Environmental Services are specialist Water Quality Engineers with a strong focus on Legionella control, water hygiene and safe water system management.

Based at the prestigious the Surrey Research Park, we work with commercial, residential and public sector clients, helping them understand their responsibilities, reduce risk and maintain safe, compliant water systems.


Experts In All Things Legionella

Legionella control is at the heart of what we do. We support building owners, landlords, facilities managers and responsible persons with practical, professional services designed to keep water systems properly assessed, monitored and maintained.

Our services include Legionella risk assessments, water sampling, monitoring contracts, cleaning and disinfecting, booster pump servicing and training. Whether you need a one-off assessment or ongoing water hygiene support, we provide clear advice and reliable service from experienced specialists.


Practical Water Hygiene Support

Managing water safety can feel complicated, especially in larger or more complex buildings. Our role is to make the process clearer.

We help clients understand what needs to be done, why it matters and how to keep accurate records for compliance. From identifying risk areas to recommending practical next steps, we focus on straightforward guidance and dependable support.


Based At the Surrey Research Park

Our location at the Surrey Research Park reflects the technical and specialist nature of our work. As a recognised hub for professional, research-led and innovative businesses, it provides an ideal base for a company focused on water quality, compliance and environmental safety.

From Guildford, we support clients across Surrey, the South East and beyond, delivering professional water hygiene services with the knowledge and attention to detail our clients expect.


A Complete Approach to Water Safety

Effective Legionella control is not just about ticking boxes. It requires proper assessment, regular monitoring, accurate sampling, cleaning where needed and a clear understanding of ongoing responsibilities.

Thomson Environmental Services brings these services together, helping clients manage water safety in a practical and joined-up way.

If you need expert support with Legionella control or water hygiene management, our Water Quality Engineers are here to help.