Colin replied immediately to my urgent call and made space to fit us in. He and his team were polite, helpful and clearly very knowledgeable. They took time to explain everything and left the site cl... See more
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All Staff are very professional, respectful and friendly. St Pauls Surgery
Guardian came highly recommended. We used them to test the water supply to a large outdoor festival site. They were very helpful and professional with water testing and advice that ensured we are able... See more
Initially we weren't getting the reports from the site visits but once that was dealt with we automatically get everything we need, with good detail and on time. Engineers are pleasant and knowledgeab... See more
Company details
Written by the company
Guardian Legionella Services are a 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.
Contact info
Unit 11 Lincoln Enterprise Park, Newark Road, LN5 9FP, Lincoln, United Kingdom
- 01522 688 180
- enquiries@guardian-group.co.uk
- guardian-group.co.uk
Guardian Legionella Services
All Staff are very professional
All Staff are very professional, respectful and friendly.
St Pauls Surgery
27 April 2026
Reply from Guardian Legionella Services
Thank you for your feedback. We are pleased to hear you found the team knowledgeable. We appreciate you taking the time to share your experience.
Legionella risk assessment
Guardian Group completed our Legionella Risk Assessment and the remedial works. I would definitely recommend them. They were helpful, professional and had real customer focus. Great customer service!
16 March 2026
Reply from Guardian Legionella Services
Thank you for the recommendation. We’re delighted to hear you were pleased with both the Legionella Risk Assessment and the remedial works. It’s great to know our team came across as helpful, professional and genuinely focused on customer service. That is exactly what we aim for, and we really appreciate you taking the time to share your feedback.
I find Guardian very supportive ...
I find Guardian very supportive, professional in all aspects, in communication and the physical work, the documentation is always clear and details everything required, compliance always up to date.
Always happy with the service and staff on site along with the office staff. Thank you :)
9 March 2026
Reply from Guardian Legionella Services
Thank you for such thoughtful feedback. We’re really pleased to hear you’ve found our team supportive and professional across communication, on-site work and documentation. Keeping everything clear, detailed and compliant is a big part of what we do, so it’s lovely to know that comes through. We’re also glad both our site and office teams have made a positive impression. Thank you again for your continued support.
Excellent service
Excellent service. Completed paperwork sent quickly. Engineers always polite & efficient. What more could you ask for.
26 January 2026
Reply from Guardian Legionella Services
Thanks for the brilliant feedback. We’re really pleased everything ran smoothly, from getting the paperwork over promptly to having engineers who turn up polite, efficient, and on it. That’s exactly the standard we aim for every day. And as for what more you could ask for, we’ll take that as our cue to simply keep doing the right thing.
Reply from Guardian Legionella Services
Thanks for the review. We’re glad Guardian got straight on with the job and kept disruption to a minimum. That efficient, low-fuss approach is exactly what we aim for, especially when we’re working on busy sites. We appreciate you taking the time to share your experience.
Guardian are helpful
Guardian are helpful, proactive and provide relevant advice in the course of their work and when requested.
17 December 2025
Reply from Guardian Legionella Services
Thanks for taking the time to share this. We’re really pleased you found Guardian helpful and proactive, and that the advice we provided was relevant both during the job and when you needed a steer. That’s exactly how we aim to work: clear guidance, no fuss, and support that actually helps.
Reply from Guardian Legionella Services
Thanks for sticking with us for another year. We’re really pleased the service delivery has been spot on again. Consistency matters, and we work hard to make sure you get the same reliable, well-run experience every time.
The team are efficient
The team are efficient, professional and have very good technical expertise
17 December 2025
Reply from Guardian Legionella Services
Thanks for the kind words. We’re glad the team’s efficiency, professionalism and technical expertise stood out. We take real pride in doing the right thing and getting issues sorted properly, not just quickly. We’ll be sure to share your feedback with everyone.
Reply from Guardian Legionella Services
Thank you for the kind words. We’re delighted the service is excellent as always. Thanks for the recommendation.
very good service
Richard who attended communicated well and worked hard, completing the tasks assigned.
20 November 2025
Reply from Guardian Legionella Services
Thank you for the great feedback. We are glad Richard communicated well and worked hard to complete everything. I will pass your praise to him.
very reliable and professional company
very reliable and professional company
frendely staff
13 November 2025
Reply from Guardian Legionella Services
Thank you for the review. We are glad you find us reliable and professional, and that our staff are friendly. We appreciate your support and will keep up the standard.
Fabulous service
Colin replied immediately to my urgent call and made space to fit us in. He and his team were polite, helpful and clearly very knowledgeable. They took time to explain everything and left the site clean and tidy. Highly recommend and will definitely use again.
13 November 2025
Reply from Guardian Legionella Services
Thank you for the fabulous review. We are delighted Colin responded immediately, made space to fit you in, and that the team was polite, helpful, knowledgeable, and tidy. We appreciate the recommendation and will pass your kind words to Colin and the team.
Great service and very professional!
6 November 2025
Reply from Guardian Legionella Services
Thank you for the review. Glad you found the service great and very professional. We appreciate your support.
Professional staff
5 November 2025
Reply from Guardian Legionella Services
Thank you for the feedback. We are glad you found our staff professional. We will share this with the team and keep up the standard.
Scott is very professional in his work…
Scott is very professional in his work and carrying out his duties.
29 October 2025
Reply from Guardian Legionella Services
Thank you for the feedback. Great to hear Scott is very professional in his work and duties. I will share your comments with him and the team.
Reply from Guardian Legionella Services
Thank you for the feedback. Great to hear you found the lads very professional. I will share your comments with the team.
Reply from Guardian Legionella Services
Thank you for the review. We’re glad the job met your expectations.
Reply from Guardian Legionella Services
Thank you for the feedback. We are glad you were happy with the service.
Professional friendly staff
22 September 2025
Reply from Guardian Legionella Services
Thank you for your feedback. Our technicians and office team appreciate your kind words.
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