ADT UK&I Reviews 

36,213
TrustScore 4.5 out of 5

4.6

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Review summary

Created with AI, based on recent reviews

Looking at 4,377 reviews, reviewers overwhelmingly had a great experience with this company. Customers consistently praise the staff for their professionalism, helpfulness, and extensive knowledge, often explaining complex details clearly and patiently. People frequently highlight the excellent service, smooth installation processes, and efficient handling of their security needs, appreciating the stress-free experience and commitment to satisfaction. However, some customers also noted concerns regarding product functionality and aspects of customer communication. A few people experienced issues with alarm systems not being loud enough or specific components not meeting expectations, such as doorbells only sending push notifications or older sensors remaining. Additionally, some reviewers were not happy with communication, citing a lack of follow-up on reported faults, issues with the accounts department, or limited technical support hours.

What people talk about most

Staff

Clients share positive opinions on staff, with many reviewers praising the helpfulness, professionalism, and... See more

Service

Customers had positive experiences with service, often highlighting the helpfulness and professionalism of... See more

User experience

Customers consistently note positive experiences with user experience, highlighting clear explanations and... See more

Customer service

Consumers find customer service to be positive, with many reviewers praising the helpfulness, politeness, and... See more

Product

Users describe ambiguous interactions with product, with some customers praising the quality and... See more

Reviews shaping this summary

Rated 5 out of 5 stars

First time calling the tech support as appeared to have an issue with our pad who h kept stating low battery after a power cut. Chadra was excellent and explained everything in laymen's terms which wa... See more

Company replied

Rated 5 out of 5 stars

Glen Clarke from ADT Alarms was fantastic from start to finish. He was polite, professional, and genuinely friendly throughout the whole visit. He took the time to explain everything in detail, walkin... See more

Company replied

Rated 5 out of 5 stars

Engineer for upgrade to alarm system arrived on time and explained clearly and precisely what he was going to do. Second fix engineer was very helpful and also explained what he needed to do. Cu... See more

Company replied

Rated 5 out of 5 stars

The entire team I spoke with were very professional and helpful, always happy to help and knowledgeable. The problem was resolved after the team call every day until the time was right to update and r... See more

Company replied


Company details

  1. Security Equipment Store
  2. Security Service
  3. Security System Installer
  4. Security System Supplier

About ADT UK&I

Written by the company

Since 1874, we’ve been the leading provider of fire and security systems for homes and businesses across the UK and Ireland. 145 years on, we now provide over 400,000 residential and small to medium business customers with round the clock protection. We offer 24/7 monitored burglar alarms, the latest smart security, CCTV systems, monitored smoke & carbon monoxide detectors and the peace of mind that our experts are on hand 24/7/365. For urgent customer support simply call 0344 800 1999.

MyADT

The quickest way to access support and help.

The quickest way to access support and help.
Using either the mobile app or web portal, MyADT is designed with you in mind and is the quickest and easiest way to securely manage your account and access help and support, without the need to call or email. MyADT is available for all UK customers and allows you to: • Update keyholders • Update account and billing details • Review and pay bills • Log faults and request technical support – such as battery changes and devices not responding. • Book and amend inspections • Log requests for additional equipment and devices To find out more or to get started please visit www.adt.co.uk/myadt or download MyADT from the app store, new and first-time users may be required to register first.

Contact info

4.6

Excellent

TrustScore 4.5 out of 5

36K reviews

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4.6

All reviews

(36,213)

4,327 reviews in the last 12 months

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Rated 5 out of 5 stars

Great service for the installation of…

Great service for the installation of the new digital upgrade and then later for the remote reset… though I was disappointed that the reset procedure took a while to organise- a call to general support and then a wait for a call back from whoever deals with remote resetting.

July 17, 2026
ADT UK&I logo

Reply from ADT UK&I

Hello,
We're glad to hear you were happy with our installation service. We understand your frustration regarding the delay in organising the remote reset and appreciate you bringing this to our attention. We are always looking for ways to streamline our processes.

Best Wishes
Blake

Rated 5 out of 5 stars

Excellent quality product and excellent…

Excellent quality product and excellent service, very happy with the system,

July 13, 2026
ADT UK&I logo

Reply from ADT UK&I

Hello,
We appreciate your wonderful feedback and 5-star rating! We're so glad you're very happy with the excellent quality product and service.

Best Wishes
Blake

Rated 5 out of 5 stars

Engineer was called Glen he was lovely…

Engineer was called Glen he was lovely start to finish on time made me feel at ease showed me what security system I got asked me where to install also showed me how to download the ADT app no faults at all. Glen showed me how to use the app with seeing recordings and going live etc he was brilliant. I would recommend ADT to anyone the service was fantastic the payment plan and package suited us for what we needed.

July 20, 2026
ADT UK&I logo

Reply from ADT UK&I

Hello,
We're so pleased to hear about your positive experience with the engineer. It's wonderful that they were on time, made you feel at ease, and thoroughly explained the security system and app. We're glad the service and payment plan suited your needs.

Best Wishes
Blake

Rated 5 out of 5 stars

Excellent service from ADT

Excellent service from ADT. Brooklyn Railton, was professional, knowledgeable, and very helpful. He installed the system efficiently, explained everything clearly, and made sure I was confident using it before he left. A great experience from start to finish—highly recommended

July 20, 2026
Unprompted review
ADT UK&I logo

Reply from ADT UK&I

Hello,
We're happy to hear about your excellent experience! It's great that our engineer was professional, knowledgeable, and installed the system efficiently. We appreciate that they explained everything clearly and ensured you were confident using it.

Rated 5 out of 5 stars

The engineer came on time

The engineer came on time, did the job of installing the alarm system efficiently, set up the ADT App for us on my mobile because I am not IT conversant. He added our camera and door bell details on one ADT App. He was very understanding polite and compassionate about old people like us and changed the Wi-Fi details on all the cameras and the door bell which had not been functioning since we had changed WiFi hub.

July 20, 2026
ADT UK&I logo

Reply from ADT UK&I

Hello,
We're delighted to hear about your positive experience with our engineer! It's wonderful that they arrived on time, efficiently installed your alarm system, and patiently assisted with the ADT App setup, including your camera and doorbell. We're especially pleased they were understanding and compassionate, resolving your Wi-Fi issues. Thank you for your kind feedback!

Best Wishes
Blake

Rated 5 out of 5 stars

JS@2

It is was helpful

July 20, 2026
ADT UK&I logo

Reply from ADT UK&I

We're happy to hear that you found our service helpful. We appreciate your feedback and are glad we could assist you.

Rated 1 out of 5 stars

ADT - Poor customer service & no contact with the customer

Last month a part stoped working on my intruder alarm.

I have been waiting 7 + weeks for a replacement part now.

Its a brake glass sensor.
Available and in stock at various suppliers I have located.

The part is sitting on a desk after being taken off the wall by the ADT engineer.

If your unable to locate a common part - Call me updated me or substitute a different item.

Don't leave me wondering if something might be happening!

The worst part, my alarm has been compromised for a few months now not working to the full extent of the equipment installed!

The service I am receiving is shocking!

Chris
ADT Customer @ 20 Years!

July 19, 2026
Unprompted review
ADT UK&I logo

Reply from ADT UK&I

Hello,
We are sorry to hear about your concerns and have asked that our dedicated team review the matter and get in touch as soon as possible

Best Wishes
Blake

Rated 5 out of 5 stars

Great service

Great service! The engineer was punctual, with messages and phone call to let me know their expected time of arrival. There was no mess, or anything!

July 19, 2026
ADT UK&I logo

Reply from ADT UK&I

Hello,
We're delighted to hear you received great service! We appreciate your positive feedback about the engineer's punctuality and communication, as well as the tidiness of the work.

Best Wishes
Blake

Rated 5 out of 5 stars

Brooklyn installed a smart door bell…

Brooklyn installed a smart door bell today. He was very pleasant and informative on how the system works and helped me set up both my iPad and phone to use the system.

July 20, 2026
Unprompted review
ADT UK&I logo

Reply from ADT UK&I

We are delighted to hear that the installation of your smart doorbell went smoothly. We're also glad that you found the information provided helpful for setting up your devices.

Rated 5 out of 5 stars

Ali Dewar upgraded my system from…

Ali Dewar upgraded my system from analogue to digital. He was, courteous and helpful. Fantastic experience as a customer.

July 20, 2026
Unprompted review
ADT UK&I logo

Reply from ADT UK&I

We're delighted to hear about your fantastic experience with the system upgrade. We appreciate you acknowledging the helpful and courteous service provided. Thank you for your positive feedback!

Rated 4 out of 5 stars

Ross the technician was great

The technician, Ross was perfect, installation quick, only issue was that the esternal box and siren were not available and he has to come back to finish the installation.

July 7, 2026
ADT UK&I logo

Reply from ADT UK&I

Hello,
We're delighted to hear that our technician was perfect and the installation was quick. We apologise for the inconvenience caused by the external box and siren not being available, requiring a follow-up visit.

Best Wishes
Blake

Rated 5 out of 5 stars

First time calling the tech support as…

First time calling the tech support as appeared to have an issue with our pad who h kept stating low battery after a power cut. Chadra was excellent and explained everything in laymen's terms which was easy to understand and resolved the issue we had. Not only are ADT an excel provider of security systems but also have excellent customer service. Keep it up please.

July 18, 2026
Unprompted review
ADT UK&I logo

Reply from ADT UK&I

Hello,
We are so pleased to hear about your positive experience with our technical support team. It's wonderful that our team member was able to explain everything clearly and resolve your issue efficiently. Thank you for acknowledging our excellent customer service!

Best Wishes
Blake

Rated 5 out of 5 stars

hasthin Harris was very professional he…

hasthin Harris was very professional he came to change all batteries on all devices and gave them a clean. And the main box was showing low battery which I was worried as im going holiday Monday and low battery will set the alarm off. but hasthin came to the rescue he did alarm check and all sensors was working and set the alarm big 5 star top man hasthin harris ⭐️⭐️⭐️⭐️⭐️

July 20, 2026
Unprompted review
ADT UK&I logo

Reply from ADT UK&I

We are so glad to hear about your positive experience with our service. It's wonderful to know that our technician was able to efficiently resolve the issue and provide clear explanations. Thank you for sharing your feedback!

Rated 5 out of 5 stars

Amazing job

Thanks to Dillon the Engineer for an amazing job done. Very friendly, pleasant, great customer service provided and tidy.

July 15, 2026
ADT UK&I logo

Reply from ADT UK&I

Hello,
We're delighted to hear our engineer provided such friendly, pleasant, and great customer service. We appreciate your wonderful feedback and are so glad you were pleased with the tidy work!

Best Wishes
Blake

Rated 4 out of 5 stars

Upgrade installation

Sorry to say since writing the review. The system will not work correctly and any interaction sets the siren off. It seems that i was not told how to arm/disarm correctly after it working correctly for a few days. Awaiting an engineer's visit.

The upgrade installation was completed quickly and efficiently. The instruction leaflet could have been more informative but a quick Internet search answered the questions.

July 18, 2026
ADT UK&I logo

Reply from ADT UK&I

Hello,
We're glad to hear our installation was quick and efficient! We appreciate your feedback regarding the instructions; we'll certainly review them for clarity.

Best Wishes
Blake

Rated 5 out of 5 stars

Hastin Harris was very professional

Hastin Harris was very professional, arrived on time and knew the system very well. The job was completed very quickly and efficiently.

July 17, 2026
Unprompted review
ADT UK&I logo

Reply from ADT UK&I

We're delighted to hear our team member was professional, arrived on time, and completed the job quickly and efficiently. We appreciate your positive feedback!

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