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24 hours a day, 365 days a year security

for homes and businesses in the South East

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Welcome to DNA Security, for installation and maintenance of security systems throughout the South-East


Intruder alarms

DNA security offers a wide range of intruder alarm systems for the home and commercial premises, tailored to your requirements and budget. Once installation is completed, DNA Security will provide reliable and prompt customer service. Service contracts include maintenance, support and 24 hour emergency cover.

Intruder Alarm Systems



Trust, reliability and an approachable manner are the founding principles on which the business has built an enviable reputation.

About Us


CCTV Systems

DNA Security provides professional CCTV security solutions, to meet the needs of commercial and domestic clients in Kent, Sussex and the surrounding areas. This includes the provision of specific CCTV requirements within the commercial and industrial sector, as well as licensed premises.



Door Access

DNA Security has the expertise and experience to install a contemporary and cost effective access control system, which will protect you, your building and your assets.
From basic single audio door entry systems, to multi video door systems with black and white or colour feeds, DNA Security offers the total solution.

Access control systems



For a completely free, and no obligation, site survey and quotation please follow this link to our contact page and we will be in touch within 24 hours.

Get in touch


Fire Alarms

DNA Security understands the nature of fire and can help you choose the right system for your premises. Experienced engineers will work with you to assess your risks and then install a system that will provide the vital seconds you need to safely evacuate people and minimise the impact of the fire on your home or business.

Fire Alarms


Please enter your details below and we will be in touch to arrange a free, no obligation site survey.


DNA Security, established in 2002, is an independently run family business, serving Kent and Sussex.  The company provides a professional, effective and innovative approach to customised security solutions and install, upgrade, service and repair security systems and deliver 24-hour call out cover, 365 days of the year.

This video will give you more information on our company and should you wish to discuss any security requirements you may have, please get in touch by calling on or completing the contact form by clicking here.