We are The Legionella People

Guardian Legionella Services are nationwide legionella control and water hygiene experts.

Founded in 2004, Guardian Legionella Services has grown into a trusted provider of comprehensive legionella risk management solutions for clients across the United Kingdom. Our dedicated team of experienced Orkin Pros are expert water hygiene technicians, Legionella risk assessors, and support staff who are fully trained and certified to deliver the highest level of service.


We offer a full range of legionella control services, with a commitment to excellence that has earned us accreditations from CHAS, Constructionline, Safecontractor, and we are members of Legionella Control Association, ensuring you receive the most reliable and effective solutions to manage legionella risks.

Our Partnership With Orkin

In 2018, Guardian Legionella Services joined the Orkin UK group of companies as the flagship Legionella company, further strengthening our position as an industry leader. This relationship has allowed us to combine our expertise and resources with Orkin UK’s extensive experience in pest control and environmental services, offering an expansion in service offerings to our clients.


By working closely with Orkin UK, we have access to the latest industry knowledge, technologies, and best practices. This collaboration ensures that we can continue delivering the highest quality legionella control services while expanding our reach to serve more businesses across the United Kingdom.

Guardian Legionella Services offers a comprehensive range of legionella prevention, control and water hygiene services to help businesses maintain safe and compliant water systems. Our expert team of Orkin Pros including Water Hygiene Technicians and Legionella Risk Assessors deliver tailored solutions that include risk assessments, water monitoring, sampling, tank cleaning and disinfection, thermostatic mixer valve servicing, tank replacements, and remedial works.

From initial assessment to ongoing maintenance, we ensure your water systems are effectively managed to minimise legionella risks.

or any enquires call us today

For any enquires Email us today

Lincoln Enterprise Park,
Newark Road,
Lincoln,
LN5 9FP