My installation was an upgrade to an old wired house alarm system and went really well. It was arranged after a routine service visit with good communication pre update. Robbie the installer was brill... See more
Company replied
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After discussing where cameras were best placed George soon had them installed. He worked without creating any mess. He explained clearly how the cameras worked and set them to my initial preferences,... See more
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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
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HI BROKLYN I AM VERY HAPPY WITH THE ISTALATION OF MY ALARM SYSTEM AND CAMERAS YOU INSTALED TODAY. YOU DID A VERY GODD JOB AND YOU WAS VERY POLITE . YOU ANSWERED ANY QUESTIONS I HAD AND YOU EXPLAIN... See more
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Company details
- #33 of 49 best companies in Security equipment
- #13 of 20 best companies in Security service
- #11 of 15 best companies in Security System Installer
- #12 of 20 best companies in 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.
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
Security House, The Summit, TW16 5DB, Sunbury on Thames, United Kingdom
- 0344 800 1999 / MyADT app or web portal
- www.adt.co.uk
4.6
Excellent
36k reviews
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Reply from ADT UK&I
Hello,
We appreciate your very positive feedback and 5-star rating! We're so glad our team member was efficient and provided great service.
Best Wishes
Blake
Very polite
Very polite, knowledgeable, clean and tidy workmanship and would highly recommend the service.
17 July 2026
Reply from ADT UK&I
Hello,
We're delighted to hear our service was polite, knowledgeable, and that the workmanship was clean and tidy. We appreciate your high recommendation!
Best Wishes
Blake
Engineer very friendly and helpful
Engineer very friendly and helpful
Took the time to explain how alarm worked
9 July 2026
Reply from ADT UK&I
Hello,
We're so pleased to hear our engineer was friendly and helpful. We're also glad they took the time to explain how the alarm system works!
Best Wishes
Blake
Hastin Harris was wonderful
Hastin Harris was wonderful, very professional and agreeable. He was punctual, efficient and fast doing his job. Should we have further problems I hope the company sends him again.
17 July 2026
Unprompted review
Reply from ADT UK&I
We're so pleased to hear about the wonderful, professional, and agreeable service you received. It's great to know our team member was punctual, efficient, and fast. Thank you for your kind words!
Helpful Advisor
The ADT technical advisor was most patient and helpful. He offered me good advice and this resolved my problem.
Thank you ADT.
16 July 2026
Unprompted review
Reply from ADT UK&I
Hello,
We're delighted to hear our technical advisor was patient and helpful, and that their advice resolved your problem. We appreciate your positive feedback!
Best Wishes
Blake
ADT security lighting
We have security cameras fitted by ADT, if we ever get any problem, no matter how small, they are just a phone call away, their customer service are very friendly and welcoming, they get your problem dealt with immediately, I would highly recommend them, been with them for a couple of years now and can not fault them.
16 July 2026
Unprompted review
Reply from ADT UK&I
Hello,
We're happy to hear you're pleased with your security cameras and our customer service. It's great to know our team is just a phone call away and resolves issues immediately. We appreciate your high recommendation!
Best Wishes
Blake
Did not arrive onsite until 4.30pm to…
Did not arrive onsite until 4.30pm to complete access control/cctv call out.
9 July 2026
Reply from ADT UK&I
Hello,
We appreciate you sharing your experience regarding the late arrival for your service. We understand your frustration and are reviewing our scheduling to prevent such delays.
Best Wishes
Blake
Ellie
Ellie, the engineer, arrived on time and installed the alarm with ease and professionalism.
16 July 2026
Reply from ADT UK&I
Hello,
We're delighted to hear that our engineer arrived promptly and installed the alarm with such ease and professionalism. Thank you for your positive feedback!
Best Wishes
Blake
Abdul was fantastic
Abdul was fantastic, went above and beyond when explaining and assisting, he was so patient, I am not an easy person to guide with technology!! Thank you for help on the phone and then back up email
16 July 2026
Unprompted review
Reply from ADT UK&I
Hello,
We're delighted to hear about your positive experience and that our team member went above and beyond in explaining and assisting you. We appreciate their patience and the helpful support provided.
Best Wishes
Blake
Anthony Pinock is very helpful and…
Anthony Pinock is very helpful and friendly. He did a great job. Thank you for much.
16 July 2026
Unprompted review
Reply from ADT UK&I
We are so glad our team member was very helpful and friendly. We appreciate your wonderful feedback and 5-star rating!
Reply from ADT UK&I
Hello,
We appreciate your 5-star rating! We are so glad our installer was confident and friendly during your service.
Best Wishes
Blake
Your engineer was brilliant the way he…
Your engineer was brilliant the way he dealt with all of our questions and answered as well as explaining how the system would work was first class
15 July 2026
Reply from ADT UK&I
Hello,
We appreciate your 5-star rating and positive feedback! We're delighted to hear our engineer was brilliant in explaining how the system works and answering all your questions.
Best Wishes
Blake
On time and great customer service
16 July 2026
Reply from ADT UK&I
Hello,
We're so glad to hear that our service was on time and that you experienced great customer service. We appreciate your positive feedback!
Best Wishes
Blake
Efficient, knowledgeable and friendly engineer
Ross messaged when he was on his way with an accurate ETA. He worked efficiently and tidily to complete the job well within the time estimate I had been given. I am completely satisfied with the installation.
16 July 2026
Reply from ADT UK&I
Hello,
We're delighted to hear about your positive experience! It's wonderful that our team member provided an accurate ETA and completed the job efficiently and tidily. We're pleased you are completely satisfied with the installation.
Best Wishes
Blake
Brooklyn was a lovely helpful young man…
Brooklyn was a lovely helpful young man kind and very respectful of your property and understanding
16 July 2026
Reply from ADT UK&I
We're delighted to hear that our team member was helpful, kind, and respectful. We appreciate your wonderful feedback and 5-star rating!
Pain free installation
Arrived on time, fully installed the new system… hassle free. Very friendly and knowledgeable engineer.
16 July 2026
Reply from ADT UK&I
Hello,
We're delighted to hear your new system was installed on time and without hassle. We appreciate your kind words about our friendly and knowledgeable engineer!
Best Wishes
Blake
we reported a fault on our home…
we reported a fault on our home security system an engineer came on the 6th / 07 / 26 and said he would have to replace a part at this point i told ADT that we would be away from the 17th / 07 / 26 after many phone calls to customer service i am no futher on with geting my home security fixed nobodey phones back or email
after many years with ADT i am thinking of leaveing them
6 July 2026
Unprompted review
Reply from ADT UK&I
Hello,
Thank you for sharing your experience with us, we are sorry to hear you were disappointed with the service. We have reached out to you for further information but have sadly had no response and can therefore offer no further assistance at this time.
Best Wishes
Blake
Reply from ADT UK&I
Hello,
We appreciate your kind words. We are so glad our service was great and friendly for you.
Best Wishes
Blake
Fantastic service.
Excellent service doing a thorough job and able to answer all my questions. Polite and helpful engineer who really went the extra mile to do a fantastic job.
16 July 2026
Unprompted review
Reply from ADT UK&I
Hello,
We're delighted to hear our engineer provided excellent service, was polite, helpful, and went the extra mile to ensure a thorough job. We appreciate your positive feedback!
Best Wishes
Blake
Matthew Woodall came to service our…
Matthew Woodall came to service our alarm system, he was very polite and respectful of our property, he explained everything he was doing and what will happen when the phone line changes.
Very happy with Matthew.
15 July 2026
Unprompted review
Reply from ADT UK&I
We're delighted to hear about your positive experience! We appreciate that our team member was polite and respectful of your property, explaining everything clearly.
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