
Marsh
Ensuring that the water in your buildings is safe and healthy at all times
With more than 25 years of experience, Marsh delivers specialist water hygiene, Legionella control, and water treatment services to commercial clients throughout the UK. As part of the Mecsia Group, Marsh combines national delivery capability with specialist technical expertise, supporting organisations in managing compliance, reducing risk, and maintaining safe, efficient water systems. Our services include Legionella control programmes, monitoring and sampling, closed system management, cleaning and disinfection services, training, and technical compliance support.
Marsh is part of Mecsia Group, providing specialist water hygiene and compliance services nationwide.
Accreditations & Memberships
Proven specialists

















The Marsh Team
Our people









