
Ragnar Tech, which is also known as Dezsa Limited, is the company you can trust for the best home and business security solutions in South and West Wales and the West of England. We are based in Brynmawr and have built our reputation on modern craftsmanship, competent installation, and custom security systems.
We specialise in:
Services
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Electric Gates – combining style with security, are delivered and professionally installed to meet your unique needs.
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CCTV Systems & Kits are available in analogue and IP formats, offering configurations from 2 MP up to ultra-HD (8 MP), complete with recording hardware and optional installation service.
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Intruder Alarm Kits – designed to safeguard your property whether you’re home or away, backed by expert guidance and free consultations.
Ragnar Tech
Our versatile configurator makes it easy to choose the right number of cameras, camera resolutions, and storage options. Our knowledgeable team will make sure it fits your property and your budget.
Ragnar Tech
The most important thing to us at Ragnar Tech is to give you long-term protection and peace of mind.
We get all of our systems from well-known brands, make sure they can handle changing security needs and last, and offer reliable support and a warranty.
About Us, Data
and Security Systems
For the Home and Business
Ragnar Tech is a trusted partner that specialises in data-driven security systems to protect your people, your property, and your possessions.
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Advances in technology have tremendously affected how businesses operate. Access to the latest connected technology provides substantial benefits and enables even the smallest organisations to compete on a global scale.
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These advancements can make us safer—the latest CCTV capabilities, digital access control, remote gate and barrier control, password protection, and intruder alarm systems all help to safeguard our physical assets, digital files and documents, homes, and possessions.
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Connectivity to the Internet improves operational tasks dramatically, supported by the latest in stable, scalable LAN and Wi-Fi solutions, but this increased connectivity also leads to new security vulnerabilities, making it easier for attackers to move across an entire network without stepping foot on your premises.
Our Mission
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Our mission at Ragnar Tech is simple: to become a leading provider of all data-driven security and network solutions. Whether you are looking for a new Local Area Network (LAN), a Wireless Local Area Network (WLAN), a new security gate, access control, motion-sensing intruder alarm, or video intercom systems, these solutions all share a common feature—they all work primarily on data.
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We created Ragnar Tech to be the go-to experts in all things data and a service to business and homeowners that solves many of their security issues.
Use the best
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Our specialist CCTV, data cabling, and Cisco Qualified engineers are committed to providing the highest quality service and will help to make these complex systems understandable to you, the end user.
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We only install systems using the most efficient and reliable technology available and can incorporate the most innovative security, surveillance, and networking equipment available from some of the world’s leading suppliers.
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We specialise in the design, installation, management, repair, and ongoing maintenance of all aspects of home and small business data-driven network and security solutions. We also offer high-quality automatic gate and barrier solutions and smart, integrated CCTV services.
Customer Service at the heart of what we do
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We have a proven track record of delivering high-quality products with an exceptional level of service as standard. We predominantly serve Gloucestershire, Monmouthshire, Worcestershire, and the surrounding areas but can, and often do, travel further afield, with dedicated experts on hand 24/7 to offer additional reassurance.
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Customer service and excellent workmanship are at the heart of everything we do, meaning we deliver security satisfaction and ultimate peace of mind to our clients, whatever the project.

