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Guardian Legionella Services Reviews 52

TrustScore 4.5 out of 5

4.7

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Rated 5 out of 5 stars

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

Company replied

Rated 5 out of 5 stars

All Staff are very professional, respectful and friendly. St Pauls Surgery

Rated 5 out of 5 stars

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

Rated 4 out of 5 stars

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

  1. Hygiene Service

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

Guardian Legionella Services

We are The Legionella People

4.7

Excellent

TrustScore 4.5 out of 5

52 reviews

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Rated 4 out of 5 stars

Water testing

Very knowledgeable company

March 18, 2026
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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.

Rated 5 out of 5 stars

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!

March 16, 2026
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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.

Rated 5 out of 5 stars

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 :)

March 9, 2026
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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.

Rated 5 out of 5 stars

Excellent service

Excellent service. Completed paperwork sent quickly. Engineers always polite & efficient. What more could you ask for.

January 26, 2026
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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.

Rated 5 out of 5 stars

No disruption

Guardian came and got on with it with no disruption.

January 9, 2026
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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.

Rated 5 out of 5 stars

Guardian are helpful

Guardian are helpful, proactive and provide relevant advice in the course of their work and when requested.

December 17, 2025
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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.

Rated 5 out of 5 stars

Another year

Another year, with great service delivery

January 2, 2026
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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.

Rated 5 out of 5 stars

The team are efficient

The team are efficient, professional and have very good technical expertise

December 17, 2025
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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.

Rated 5 out of 5 stars

Excellent service as always

Excellent service as always. Highly recommend.

November 26, 2025
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Reply from Guardian Legionella Services

Thank you for the kind words. We’re delighted the service is excellent as always. Thanks for the recommendation.

Rated 5 out of 5 stars

very good service

Richard who attended communicated well and worked hard, completing the tasks assigned.

November 20, 2025
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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.

Rated 5 out of 5 stars

very reliable and professional company

very reliable and professional company
frendely staff

November 13, 2025
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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.

Rated 5 out of 5 stars

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.

November 13, 2025
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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.

Rated 5 out of 5 stars

Professional staff

November 5, 2025
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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.

Rated 5 out of 5 stars

Scott is very professional in his work…

Scott is very professional in his work and carrying out his duties.

October 29, 2025
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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.

Rated 5 out of 5 stars

Nice lads and very professional

Nice lads and very professional

October 17, 2025
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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.

Rated 5 out of 5 stars

Good Job

Satisfactory

October 16, 2025
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Reply from Guardian Legionella Services

Thank you for the review. We’re glad the job met your expectations.

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