Great experience. Engineer lovely, friendly, efficient. The engineer went the extra mile, helping us with an additional task that probably was not within his remit - which we were very grateful for. H... See more
Company replied
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Company details
- #3 of 4 best companies in Contractor
- #3 of 9 best companies in Electrical engineer
- #1 of 6 best companies in Lift Service
- #3 of 10 best companies in Environmental Service
- #2 of 7 best companies in Fire alarm supplier
- #1 of 6 best companies in Fire protection consultant
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
85 Great Portland Street, W1W 7LT, London, United Kingdom
- 0330 043 4344
- trustpilot@complii.com
- www.complii.com
4.9
Excellent
227 reviews
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Reply from Complii
Hi Roy,
We are so pleased to hear that your experience was thorough and accommodating. Thank you for your kind words!
Best wishes,
Complii
Reply from Complii
Hi Cathy,
We're delighted to hear that our service was efficient and met your expectations. Thank you for your wonderful feedback!
Best wishes,
Complii
Great experience
Great experience. Engineer lovely, friendly, efficient. The engineer went the extra mile, helping us with an additional task that probably was not within his remit - which we were very grateful for. He was very knowledgeable about his work and clearly informed us of any issues. Lovely chap.
23 July 2026
Reply from Complii
Hi Abbey,
We are so pleased to hear about your positive experience. It's wonderful to know our engineer was friendly, efficient, and went above and beyond to assist you. We truly appreciate you highlighting their knowledge and clear communication.
Best wishes,
Complii
Really professional when arrived
Really professional when arrived. Very polite and knowledgeable.
16 July 2026
Reply from Complii
Hi Sally,
We are so pleased to hear that our team was professional, polite, and knowledgeable. Thank you for your kind words!
Best wishes,
Complii
thorough and efficient
the representative was called Asad Iqbal, a wonderful technician and thorough and efficient.
21 July 2026
Unprompted review
Reply from Complii
Hi,
We're so happy to hear that our engineer provided such a wonderful, thorough, and efficient service. Thank you for your kind feedback!
Best wishes,
Complii
The team at Tay Fire / Complii have…
The team at Tay Fire / Complii have always been very helpful, knowledgeable and efficient. Fast response times and always go the extra mile to support. Big shout out to all the team whether admin, management, engineers, but particularly to Ellie Sanders, Chris Dainty and Gemma who have always been on hand to support.
22 July 2026
Unprompted review
Reply from Complii
Hi Lee,
Thank you for your wonderful review! We are so pleased to hear that our team has consistently provided you with helpful, knowledgeable, and efficient service. It's fantastic to know that our quick response times and willingness to go the extra mile have made a positive impact. We truly appreciate your kind words about our entire team, and we will be sure to pass on your special shout out to those you mentioned. We look forward to continuing to support you.
Best wishes,
Complii
Reply from Complii
Hi Suzanne,
Thank you for your wonderful review! We're so pleased to hear that you found our team polite, helpful, and thorough. We strive to provide excellent service, and your feedback is truly appreciated.
Best wishes,
Complii
Legionella Risk Assessment - Zeta Services
Company arrived on time and were very polite and easy to deal with.
22 July 2026
Reply from Complii
Hi,
We're so pleased to hear that our team was punctual and provided you with a pleasant experience. Thank you for your wonderful feedback!
Best wishes,
Complii
We have recently had a survey and…
We have recently had a survey and remedial work done by Capital Fire Doors. The whole team has been professional, efficient and a pleasure to deal with - nothing has been too much trouble at any point in the process. Highly recommended.
13 July 2026
Unprompted review
Reply from Complii
Hi Joelle,
We are so pleased to hear about your positive experience with our team and the recent work completed. It's wonderful to know that our professionalism and efficiency made the process smooth for you. Thank you for your kind words and high recommendation!
Best wishes,
Complii
James came to site was very polite and…
James came to site was very polite and knowledgeable knew his job and was very efficient
22 July 2026
Reply from Complii
Hi Karl,
We're so pleased to hear that our team member was polite, knowledgeable, and efficient. Thank you for sharing your positive experience with us!
Best wishes,
Complii
Fire Marshal course
We recently had SPARR deliver their Fire Marshal and Fire Extinguisher training course on-site at J Dickinson & Sons in Horwich, Bolton. Craig, the trainer, delivered an exceptional course in a professional, engaging, and knowledgeable manner. The training was well structured, informative, and easy to follow, with a good balance of theory and practical instruction.
Our employees thoroughly enjoyed the course and found it both valuable and relevant to their roles. Craig's expertise and approachable teaching style kept everyone engaged throughout the day, and all participants left feeling more confident in their fire safety knowledge and the correct use of fire extinguishers.
We would highly recommend SPARR and Craig to any organisation looking for high-quality Fire Marshal and Fire Extinguisher training.
17 July 2026
Unprompted review
Reply from Complii
Hi,
We are truly delighted to hear such positive feedback regarding our Fire Marshal and Fire Extinguisher training course delivered at your premises. It is wonderful to know that our trainer provided an exceptional experience, and that the course content was both informative and engaging for your employees. We are especially pleased that the balance of theory and practical instruction resonated so well, and that everyone left feeling more confident in their fire safety knowledge. Your recommendation means a great deal to us.
Best wishes,
Complii
great service
the engineer that attended our project was very friendly and polite, he left the work area clean and tidy, very knowledgeable and explained the system to staff
21 July 2026
Reply from Complii
Hi Dawn,
Thank you for leaving us a review! We're so pleased to hear that our engineer was friendly, polite, and left the work area tidy. It's great that they were knowledgeable and explained the system clearly.
Best wishes,
Complii
Usual professional service from The Escalator Company
We recently required a major system overhaul/upgrade to a passenger traction lift and tasked The Escalator Company with carrying out these works. Bearing in mind the age of the equipment TEC stepped up and completed these works to a very satisfactory conclusion, exceeding expections on my part. The engineers are professional and knowledgeable and ensured our requirements were fully met. Even the costs were competitive. Needless to say I can thoroughly recommend the services of The Escalator Compnay.
17 June 2026
Unprompted review
Reply from Complii
Hi Andre,
We are truly delighted to hear about your positive experience with our recent system overhaul and upgrade for your passenger traction lift. It's wonderful to know that our team's professionalism and knowledge exceeded your expectations. We are pleased that we met all your requirements and that our costs were competitive. Your recommendation means a great deal to us.
Best wishes,
Complii
Reply from Complii
Hi,
We are so happy to hear that you found our service to be very good and sufficient. We truly appreciate your positive feedback!
Best wishes,
Complii
Professional, Efficient & Highly Helpful Service
The boys were very professional and efficient throughout the job. It was a pleasure dealing with them from start to finish. They were extremely helpful, friendly, and happy to answer any questions. Their work was completed to a high standard, and they left everything tidy afterwards. I would highly recommend them and would not hesitate to use their services again.
1 July 2026
Reply from Complii
Hi,
We are so pleased to hear that our team was professional and efficient, making the entire experience a pleasure. It's wonderful to know they were helpful, friendly, and happy to assist with any questions. We're also glad to hear the work was completed to a high standard and everything was left tidy. Your recommendation means a lot to us!
Best wishes,
Complii
Quick and Easy PAT testing with a great…
Quick and Easy PAT testing with a great engineer
17 July 2026
Reply from Complii
Hi George,
We are so glad to hear that you had a quick and easy experience with our PAT testing service. It's wonderful to know that our engineer provided great service. Thank you for your kind words!
Best wishes,
Complii
I had the pleasure of dealing with Asad…
I had the pleasure of dealing with Asad Iqbal from Parr Fire job number T-11652 who repaired an issue with one of the fire sensor light .
He was very thorough in his approach and completed the work in next to no time . He even cleaned up after himself and left the area neat and tidy . He is a credit to the company with his efficiency and professionalism.
17 July 2026
Unprompted review
Reply from Complii
Hi Mohammed,
We are so pleased to hear about your positive experience with our engineer. It is wonderful to know that the repair of your fire sensor light was handled efficiently and professionally. We truly appreciate you taking the time to share your kind words regarding the thoroughness and tidiness of our team member. Your feedback is greatly valued.
Best wishes,
Complii
Reply from Complii
Hi Mike,
We are so pleased to hear that you found our service professional and prompt. It was a pleasure assisting you! Thank you for taking the time to share your positive experience.
Best wishes,
Complii
The engineer was excellent!
The engineer was really good, came in done the necessary checks whilst keeping us informed and there were no disruption to operations during the visit
17 July 2026
Reply from Complii
Hi Alex,
Thank you for your wonderful feedback! We're so pleased to hear that our engineer provided excellent service, keeping you informed and ensuring no disruption during their visit.
Best wishes,
Complii
Reply from Complii
Hi Raza,
We are so pleased to hear that you had such a positive experience with us. We always strive to provide helpful and efficient service, and it's wonderful to know we succeeded.
Best wishes,
Complii
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