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
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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.
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85 Great Portland Street, W1W 7LT, London, United Kingdom
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Reply from Complii
Engineer was prompt, pleasant, and professional. He worked quietly and efficiently, with the minimum of impact on our visitors. Excellent service.

Reply from Complii
Logic's staff were amazing, on time and very quick with their work.

Reply from Complii
Celtic Fire delivers a terrific service at reasonable costs, always reliable, very efficient and always happy to help at short notice. Well done.

Reply from Complii
We have used Celtic Fire and Security several times now, and the service that they provide is second to none. Honest, reliable and fast to respond. James Collins, the service manager, is brilliant at his job, very knowledgeable and really helpful. Would strongly recommend Celtic to anyone.

Reply from Complii
polite member of staff, happy to crack on with the work required and not cause any disruption during this

Reply from Complii
Friendly, professional gentleman.
Carried out service efficiently but quickly.

Reply from Complii
We have continued to use Celtic Fire Services for a number of years. They provide a thoroughly Professional Service. Graham and his team are exemplary in conduct ,courteous of manner ,easy of address, and steady firm in principle ,able and willing and well skilled to undertake the work.
Nothing appears too much problem and always on hand to answer any questions.
Totally recommend this Company.
Shotton Mill Company

Reply from Complii

Reply from Complii
I have been emailing the Complii company regarding a Legionella Risk assessment. They have been very professional, responding very quick, able to answer to all my questions. The gentleman that arrived on site today was punctual, polite and professional. He sat down with me, explained the procedures as well as the outcome at the end of the visit.
I highly recommend Complii.

Reply from Complii
We have used Celtic Fire for years for all our restaurants/takeaways. I can't recommend them enough. Pricewise they are very competitive and the standard of their service is 2nd to none.

Reply from Complii
The engineer who visited our site was friendly and efficient. Overall happy with the visit.

Reply from Complii
What made my experience great was that the contractor came onsite and was polite and explained what he was there to do. He was professional and had a good sense of humour.

Reply from Complii
Jordan Housley the technician who completes our sampling is always punctual and a pleasure to work with.

Reply from Complii

Reply from Complii
Punctual, knowledgeable. Listened to customer requirements and carried out the tasks in a professional manner.

Reply from Complii
Great company, we use them every year and they're thorough, helpful and a great price.

Reply from Complii
Always done well on their services with our water testing - clear communication and no issues

Reply from Complii
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