Company Overview

Discover Our Security Story

Sheridan Security Systems, located in Letterkenny, is your premier provider of comprehensive security solutions, specializing in the installation and maintenance of high-quality CCTV cameras and security alarm systems. With a proven track record of excellence, we are dedicated to ensuring the safety and security of your business and property. Our experienced technicians utilize state-of-the-art technology to deliver reliable and effective security systems tailored to meet your unique needs. We pride ourselves on our exceptional customer service, offering ongoing support and maintenance to ensure your systems continue to operate flawlessly. At Sheridan Security Systems, we are committed to building long-term relationships with our clients, providing peace of mind through our unwavering commitment to quality, reliability, and personalized service. Trust us to protect what matters most to you.

Company Founder

Sheridan Security Systems, based in Letterkenny, was founded by Brendan Sheridan. The company provides security solutions to homes and businesses, specialising in CCTV, access control, intruder alarms and fire protection systems.

Expansion to Regional Markets

As part of its expansion strategy, Sheridan Security Systems extends its service area to neighboring cities and regions. An office in the first region of the company is established.


Success stories

The company has a highly qualified team of experts who are able to tailor solutions to meet the needs of each individual customer. Sheridan Security Systems is committed to providing the best customer service and support possible.

ISO Certification

The company gains national recognition for its Achieves ISO 9001 certification for quality management. Expands into the government and critical infrastructure security markets.2020: Global Expansion


Community Outreach

The newly merged company launches a community outreach program to promote safety and security awareness.


Sheridan's customers make the right choice

Expertise and Experience: With years of experience in the security industry, Sheridan Security Systems has developed a strong reputation for their expertise and innovative solutions. They employ highly skilled technicians who are well-versed in the latest security technologies and installation techniques, ensuring top-quality service.

Sheridan Security Systems envisions a future where security solutions are accessible, reliable, and tailored to the specific needs of each client. Their strategic vision focuses on expanding their market presence nationally while maintaining their core values of integrity, reliability, and cost-effectiveness. Sheridan Security aims to continually innovate and improve their services, investing in cutting-edge technology and the ongoing training of their staff. This ensures that they can offer the most advanced and effective security solutions, providing peace of mind and enhanced safety for businesses and households across Ireland. Their commitment to excellence and customer satisfaction is at the heart of their vision, driving them to make Ireland a safer and more secure place for everyone


The future of security is here today

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