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Complii Reviews 

393
•
TrustScore 5 out of 5

4.9

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Review summary

Created with AI, based on recent reviews

Evaluating 384 reviews, reviewers overwhelmingly had a great experience with this company. Customers frequently praise the friendly and knowledgeable staff for providing professional, efficient, and thorough assistance during routine safety and maintenance visits. Reviewers consistently note that engineers take the time to explain procedures clearly, answer questions thoroughly, and ensure all systems are checked properly. Some people were satisfied with the ongoing support and long-term reliability demonstrated by the team across multiple successful projects. Consumers also appreciate the seamless user experience, noting that all services are carried out very quickly and professionally without causing any disruptions to busy daily working activities.

What people talk about most

Staff

Clients share positive opinions on staff, frequently describing engineers and team members as extremely... See more

Service

Customers consistently note positive experiences with service, highlighting friendly, efficient engineers who... See more

Customer service

People report positive experiences with customer service, noting that representatives are helpful,... See more

User experience

Customers expressed great satisfaction regarding their user experience, highlighting smooth, quick, and easy... See more

Response time

Users describe positive interactions with response time, highlighting fast replies and professional support... See more

Reviews shaping this summary

Rated 5 out of 5 stars

He was very polite, friendly and professional. He came to our workplace today to carry out the annual emergency lighting and fire extinguisher checks. He explained everything clearly and completed the... See more

Company replied

Rated 5 out of 5 stars

Extremely helpful and informative. Took time to explain what he was doing and why he was doing it. Gave me some great advise around fire safety and I have came out afterwards more knowledgeable. Id li... See more

Company replied

Rated 5 out of 5 stars

David and the team at Adamport have delivered a high standard of fire compartmentation works across our site following an audit. We are now completing the 4th stage of the works and would use them ag... See more

Company replied

Rated 5 out of 5 stars

following our initial work which had some issues which where not there fault the team at adamport did everything to accommodate my workplace and myself. although the work took longer then it should h... See more

Company replied


Company details

  1. Contractor
  2. also in
  3. Electrical engineer
  4. Environmental Service
  5. Fire alarm supplier
  6. Fire protection consultant
  7. Lift Service

Written by the company

Complii is a leading integrated provider of safety and regulatory compliance services across water and air, fire and security, electrical, and lifts and escalators. We support teams across complex, multi-site estates throughout the UK. As a trusted compliance partner, we work across many sectors, including hospitality, leisure, healthcare, education, retail and commercial property to reduce risk, assure regulatory compliance, and protect people, businesses and assets. Delivered through specialist divisions, our services provide high-quality, reliable outcomes. By consolidating multiple compliance disciplines under one trusted partner, Complii reduces supplier fragmentation, providing clear, comprehensive, cost-effective solutions all in one place. We simplify complex compliance legislation, providing you with assurance and confidence that compliance is being managed effectively. Working side by side with our clients, we deliver essential risk, regulatory, and compliance services across the built environment – helping to meet obligations, protect assets and reputations, and ensure the safety of customers and your workforce. From assessment and advice through to servicing, testing, and ongoing support, we focus on quality. We’re not just a supplier – we’re your trusted compliance partner, offering clarity, control, and peace of mind. We’re by your side, every step of the way.

Your Trusted Partner for Building Compliance

Written by the company

By your side, every step of the way.
We’re your trusted partner, here to help you navigate the often complex and confusing regulations surrounding building compliance. We work alongside your business, and the challenges you face, to provide end-to-end cost-effective solutions to meet all your building compliance needs. We pursue the highest standards and embrace continuous improvement in everything we do, helping to cultivate lasting relationships with our customers built on reliability and respect.

Contact info

4.9

Excellent

TrustScore 5 out of 5

393 reviews

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4.9

All reviews

(393)

393 reviews in the last 12 months

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Companies on Trustpilot aren't allowed to offer incentives or pay to hide reviews. Reviews are the opinions of individual users and not of Trustpilot. Read more

Rated 3 out of 5 stars

PAT tester

The PAT testing guy who came to use did not have enough FS numbers on him to complete the job.
We had to supply him with an additional 100+.

14 October 2026
Rated 5 out of 5 stars
Complii logo

Reply from Complii

Thanks so much for the kind words! We’re delighted you had a great experience

Thanks for choosing us, and we hope to help again whenever you need us.
Complii

Rated 5 out of 5 stars

took the time to tell me what was wrong…

took the time to tell me what was wrong what they did and what they want to do the two where great today cant falut them at all

13 October 2026
Complii logo

Reply from Complii

Thank you for your kinds words, Nathan!

We’re so pleased our engineers took the time to explain what the problem was, what they did to fix it and what the next steps would be.

Keeping our customers fully informed is really important to us, so it’s great to hear it made a difference.

Thank you for choosing us.
Warm regards,
Complii

Rated 5 out of 5 stars

Friendly staff

Friendly staff, on time, efficient, good manners, good service.

13 October 2026
Complii logo

Reply from Complii

Thank you for such a positive review, Joanne!

Punctuality, efficiency and good manners are all things we take real pride in, so we’re delighted to hear the team delivered on every count.

We’ll make sure your feedback reaches them.

Thanks again for choosing us.
Warm regards,
Complii

Rated 5 out of 5 stars

The Gentleman was lovely

The Gentleman was polite, patient and did a good job.

13 October 2026
Complii logo

Reply from Complii

Thank you for taking the time to leave a review, Lisa!

We’re delighted to hear our engineer was polite and patient, and that you were happy with the work.

Thanks again for choosing us.
Warm regards,
Complii

Rated 5 out of 5 stars

Very Good Service

very clear with explanations, easy for me to understand.

13 October 2026
Complii logo

Reply from Complii

Thank you for your lovely review!

We’re pleased our explanations were clear and easy to follow. It’s great to know that helped!

Warm regards,
Complii

Rated 5 out of 5 stars

Very well mannered

Very well mannered, friendly, helpful person.

12 October 2026
Complii logo

Reply from Complii

Thank you for your lovely review!

We’re pleased our team member made such a positive impression.

Warm regards,
Complii

Rated 5 out of 5 stars

The engineer who was Matt was very…

The engineer who was Matt was very polite and kept us informed what the fault on the system was and resolved the problem without causing any inconvenience to customers and staff.

12 October 2026
Complii logo

Reply from Complii

Hi Gary,

We’re delighted to hear that Matt kept you informed throughout and resolved the fault without disrupting your customers or staff.

Thanks again for choosing us.
Warm regards,
Complii

Rated 5 out of 5 stars

Turned up in good time and fixed the…

Turned up in good time and fixed the problem quickly.

12 October 2026
Complii logo

Reply from Complii

Thank you for your review!

We’re really pleased our team arrived on time and got everything fixed quickly for you.

Thanks for choosing us, and don’t hesitate to get in touch if you ever need us again.

Warm regards
Complii

Rated 5 out of 5 stars

very Efficient

very Efficient, tester very polite

12 October 2026
Complii logo

Reply from Complii

Thank you for taking the time to leave a review Jayne!

We’re so pleased to hear the visit was efficient and that our tester was polite and courteous throughout.

Thanks again for choosing us.
Warm regards
Complii

Rated 5 out of 5 stars
Complii logo

Reply from Complii

Thank you for your review, Jemma!

We’re really proud of our team, so it’s great to hear that their professionalism stood out to you.

Thanks again for choosing us.
Kind regards,
Complii

Rated 5 out of 5 stars
Complii logo

Reply from Complii

Thanks for the lovely feedback, Mark!

We’re glad everything ran smoothly for you, and we appreciate you taking the time to let us know.

Warm regards,
Complii

Rated 5 out of 5 stars

Great service and response time

Great service and response time. very easy to communicate with

8 October 2026
Complii logo

Reply from Complii

Thank you for taking the time to leave a review, Charles!

We know how important quick, clear communication is, so we’re delighted to hear we got it right for you.

We really appreciate your feedback and look forward to helping you again whenever you need us.

Warm regards,
Complii

Rated 5 out of 5 stars
Complii logo

Reply from Complii

Thanks so much for the lovely feedback, Claire!

We’re glad the team made you feel at ease, and we’ll be sure to pass this on to them.

Warm regards,
Complii

Rated 5 out of 5 stars

Great conduct while on site.

Great conduct while on site.
Very friendly.
They get on with the work without any problems or issues.

7 October 2026
Complii logo

Reply from Complii

Thank you so much for taking the time to leave this lovely review, Tony!

We’re delighted to hear the team made a good impression on site and that everything ran smoothly.

Thanks again for choosing us, and we hope to work with you again in the future.
Warm regards,
Complii

Rated 5 out of 5 stars

Very polite staff member came in today…

Very polite staff member came in today and did thorough checks.

7 October 2026
Complii logo

Reply from Complii

Lovely to hear this, thank you!

A polite visit with thorough checks is just what we aim for every time.

Thanks for leaving a review!
Warm regards,
Complii

Rated 5 out of 5 stars

The young man that came out and was so…

The young man that came out and was so professional that he solved the problem straight away (Tom Smith) He actually went above and beyond making sure the job was done properly

21 September 2026
Unprompted review
Complii logo

Reply from Complii

Really glad to hear this, thank you!

It's great that Tom got to the bottom of the problem right away and took the extra step to make sure the job was done properly.

That kind of care is what we want from every visit, and we'll make sure he sees your kind words.

Warm regards,
Complii

Rated 5 out of 5 stars

Excellent & Efficient

7 October 2026
Complii logo

Reply from Complii

Thank you, that's great to hear!

Excellent and efficient is exactly what we aim for.

Really appreciate you taking the time to leave a review!
Warm regards,
Complii

Rated 5 out of 5 stars

great service

great service, polite and thorough staff

7 October 2026
Complii logo

Reply from Complii

Thanks for the lovely feedback, Nick!

Great to hear the team were polite and thorough, and that you were happy with the service overall.

Really appreciate you taking the time to leave a review!
Warm regards,
Complii

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