Welcome to H2O Nationwide, part of the Sureserve Group.

H2O Nationwide is a water and air hygiene specialist operating across the UK.  Established in 1998, we provide services to around 350 clients including local authorities, housing associations, NHS trusts, student accommodation providers and hotel and leisure operators. Our core services include legionella control, water hygiene, microbiological sampling, water treatment, ductwork cleaning and grease extract compliance.

H2O is dedicated to supporting property managers in fulfilling their obligations around water hygiene and legionella, something at the forefront of landlords’ minds following a number of high profile outbreaks in recent years.