Delta security systems
Your Security Is Our
Priority
Securing Tomorrow, Today.
Celebrating over 53 years of trust in the security system's industry, Delta Security Systems is your partner in Northern Ireland for unparalleled expertise in security solutions.
What We Deliver
Comprehensive security solutions tailored to your needs.

CCTV Solutions
- Internal & External HD/4K Cameras
- Remote Viewing via Mobile App
- Night Vision & Motion Detection
- Expert Site Evaluations

Access Control
- Paxton Net2 Systems
- AV2E Electronic Locks
- Fob & Card Access
- Real-time Monitoring

Intercom Systems
- Video Door Entry
- Audio Handsets
- Apartment Systems
- Upgrades & Repairs

Doors & Automation
- Automatic Doors & Gates
- Push Bar Systems
- Door Automation
- Professional Joinery

SALTO Smart Locks
- Keyless Fob & Card Access
- Mobile Phone Entry
- PIN Code Keypads
- Easy Retrofit to Existing Doors

Aluminium Door Repair
- Frame & Hinge Repairs
- Lock Replacement
- Glass Panel Replacement
- Weatherseal & Closer Repairs
Why Choose Delta?
Benefit from our operatives' 100+ years of collective experience in security systems maintenance and installation. Their extensive expertise in door-entry, complemented by certifications in SSAIB, ADSA, SafeTcert, Constructionline and all operatives CSR registered, ensures unparalleled professionalism and top-tier safety standards.
Additionally, operatives are Access NI vetted and St. John's first aid trained which further guarantees your peace of mind. Your safety is our utmost priority, and we are dedicated to providing rapid, effective solutions.

What To Expect
Rely on us for unparalleled, round-the-clock service availability.
24/7 Trusted Safeguarding:
Working with Delta gives you prioritisation for any issues regarding your setup. Depending on how we align our business with yours, we offer varying response callout times that typically fall under: 4 hours, 4 days, or 20 days.
New Installations:
Tailored to your bespoke requests, costs vary depending on the specification of the equipment required and set labour costs. Prices are determined after a free site survey.
Planned Maintenance:
We recommend planned maintenance visits at least once a year to ensure equipment remains in optimal condition. Regular servicing prevents issues and guarantees your peace of mind.
Emergency Callouts
We cover all of Northern Ireland for one-off emergency callouts. Based in Belfast/Newtownabbey, arrival times depend on your location. As a 24/7 security business, out-of-hours emergencies are always covered.
Accredited & Certified
Fully accredited by industry-leading bodies.
Trusted by Leading Companies
Working in partnership with Northern Ireland's largest businesses.




“Delta Security Systems NI Ltd recently installed a state-of-the-art access control and CCTV system at our business premises on the Lisburn Road. From start to finish, the entire process was seamless. The office staff were efficient and helpful, the engineers were friendly and professional, and the quality of workmanship was exceptional. I highly recommend Delta Security Systems to any business seeking top-tier installation and service.”
David Condliffe
50 weeks ago
“Delta Security Systems NI installed my CCTV and alarm system flawlessly. Professional, efficient, and friendly, they use top-notch tech and offer great customer service. Highly recommend—five stars!”
Right Left80
40 weeks ago
“Delta fitted security cameras at both front and back of my property along with an internal alarm system, they were professional efficient and courteous. Their staff were informative and friendly spending time ensuring I knew how to operate properly, have recommended them and would again. Thank you for making my home secure!”
Christina Wright
50 weeks ago
“Had Delta install an alarm system in my shop. Job done quickly leaving no mess and went through operating the system in a non tech jargon way. Top notch job.”
Stephen Holland
50 weeks ago
Get In Touch
Ready to enhance your security? Contact us today for a free site survey and quote. Our team is available 24/7.
Call Us
028 9049 1212Mon-Fri 08:30 - 16:30
Address
Unit C22 Valley Business Centre
67 Church Road, Newtownabbey
BT36 7LS
Hours
Open 24 hours, 7 days
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