Welcome to Guardian Water Treatment
A Marlowe Critical Services Group Company providing water treatment and air hygiene specialist outsourcing.
Guardian has joined Marlowe plc’s Critical Services Group providing specialist outsourcing maintenance and compliance services across the UK. The Group provides Water Treatment, Fire & Security and Air Services.
Guardian delivers a range of water treatment and air quality services, allowing the systems that rely on these elements to work effectively and at their optimum; from pre-commissioning through to on-going maintenance, delivering a holistic approach to air and water treatment.
Using the latest air and water treatment products and continued monitoring of water hygiene and air quality, you can rely on Guardian Water Treatment to keep your buildings’ systems operating safely, efficiently and in-line with legislation.
Clean non-chemical technology
Fast Turnaround & Reliable Service
In-house Expertise from design through to construction, commissioning and maintenance
Member of the Legionella Control Association
Guardian Care Online – Unique online reporting system 
Sustainable operations and services
Water Treatment & Air Quality Sectors
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MoreWater treatment and air hygiene services across the breadth of the facilities management sector, working with FM providers in commercial premises, public buildings and industrial sites.
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MoreWater and air hygiene services for the hospitality and leisure industry. Covering gyms, swimming pools, hotels and spas, plus the commercial kitchens that cater for these establishments.
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MoreWater treatment and air hygiene services for residential properties, from individual houses to large blocks of flats, working with landlords, letting agents, housing associations and local authorities.
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MoreWater treatment and air hygiene services for hospitals, nursing homes and other healthcare premises. Works in accordance with specific healthcare legislation. Round the clock delivery.
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MoreWater treatment and air hygiene services for local authority buildings – schools, hospitals and residential properties.
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MoreWater treatment and air hygiene services for large-scale industrial sites, including factories and other manufacturing facilities containing HVAC equipment, such as cooling towers and steam boilers.
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MoreWater and air hygiene system consultation, design and pre-commissioning cleaning. Keeping HVAC systems contaminant free from the outset.
Latest News
Our world is becoming increasingly reliant on internet access – from day-to-day activities, work, travel and...
WCS’ e-book explains how continuous monitoring helps HVAC Continuous closed system monitoring is a holistic and...
Guardian Water Treatment has launched BG50i, an intelligent monitoring and water treatment package designed to help...
Guardian Water Treatment has welcomed the latest version of BSRIA’s Water Treatment for Closed Heating and Cooling...
Essential building services are incredibly complex and require a wide variety of contractors and sub-contractors to...
Data is an inescapable factor of modern life. With our phones becoming increasingly ‘smart’, Internet of Things...
Monitoring is a critical part of our closed-circuit water treatment services. These systems are crucial to overall...
The WCS Group, of which Guardian is a proud member, has achieved Silver Level (Established) Investors in People (IIP)...
Heating, ventilating and air conditioning (HVAC) systems in commercial premises provide essential building services,...
Closed heating and cooling systems are essential for the efficient operation of HVAC plants. However, these complex...
Introducing the new Head of Guardian Water Treatment, Toby Hunt. Mr Hunt joined the company in 2016 and has been...
Guardian Water Treatment has launched BG29i, an intelligent precommission cleaning package that helps fit out...
.The HSE has produced a number of guides regarding returning to work safely. Some of us have started to return to the...
In just over a week (March 8th), many of the UK’s children will be returning to school. This is the first step in our...
Today (2nd December) ends the second national lockdown in England, with shops and in some areas, pubs and restaurants,...
Commercial buildings in the UK have been hit hard by the coronavirus pandemic. As businesses were forced off their...
Legionnaires’ Disease is a potentially fatal form of pneumonia caused by the bacterium Legionella pneumophila,...
As England enters a second national lockdown, Tom O’Sullivan, Head of Operations at Guardian Water Treatment urges...
BG29 2020 is BSRIA’s guide to the Precommissioning Cleaning of Pipework Systems. The latest edition was released in...
A competent Legionella risk assessment is essential for making sure water systems are not putting occupants at risk of...
