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Our Services
We are a customer orientated, local family run business with a friendly, professional attitude, specialising in the installation, servicing and maintenance of Intruder Alarm Systems.
Working With Us
Due to our professional backgrounds, we take huge pride in our integrity and transparency. Above all else, we value our clients’ wishes: we will advise you according to your needs.
Emergency Contact
No Hard Selling
We do not believe in selling clients what they do not need, nor do we entertain any hard selling techniques.
You can call us on
020 8249 0204
to discuss your
security requirements.
In an emergency please call us directly on 07942 397398 (24 Hour).
Need a Locksmith?
Call Wickham Locksmith, Greville on 07956 262628.
Anonymous Homeowner, West Wickham
"Dave's expertise is second to none and it’s reassuring to have a local specialist I can trust. After a break-in, he not only got my alarm system back in top shape but also recommended a great locksmith."
Rose, Homeowner and Artist
"They did an excellent job on my Keston home and delivered the same top notch service for my studio, where protecting my valuable art collection was crucial."
Jake, Homeowner from Bromley
“I trust Holder-Diaz with my security. They keep my alarm system running smoothly with their affordable maintenance plan at just £12/month. ”
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