PAC and GDX’s development, manufacturing, customer and technical support teams are all based in the UK to ensure the best possible quality of products and support. Our innovative approach and attention to detail have enabled us to design solutions that not only deliver on their promise of flexibility and reliability, but also challenge the market and continuously raise the standard of access control, door entry and security.

With products developed around our customers’ needs and the ever-changing requirements and legislation of the access control and door entry markets, PAC and GDX provide a robust functionality that meets these rigorous demands within the residential, education and commercial sectors.

PAC and GDX’s versatile and scalable solutions are suitable for any application and environment. From a single door installation to a fully integrated global web-based system, our extensive product portfolio exceeds expectations. Our offering fully embraces the concept of highly secure premises and includes a whole range of readers, controllers, door entry panels, handsets and management options which can be integrated with CCTV, Time and Attendance, Intruder and Staff Protection systems.


Our Innovative Brands

PAC & GDX are part of a portfolio comprising of five trusted, market-tested brands: PAC, GDX, 3xLOGIC, PACOM and Sonitrol, which have a combined legacy of over 100 years in the security industry. Driven by constant innovation to meet continuously evolving physical and cyber threats, our solutions provide unparalleled quality of products and services to protect people, property and assets.

Each of the five sister companies brings unique, market-tested core competencies and products to the entire group:



During the last 40+ years PAC™ has earned a reputation as the market leader in the development and manufacture of cutting-edge end to end access control solutions that are scalable, easy to install and maintain.  Our offering includes readers, controllers, ID devices and management solutions, which can be integrated with door entry, video surveillance, time and attendance, intruder and staff protection systems.



GDX™ has 35+ years’ experience producing door entry systems providing unbeatable reliability and robust functionality that meet the rigorous demands of residential and commercial sectors.  Offering a full range of pre-sales design, specification, technical and site survey support, GDX plays a vital role in protecting our customers’ people, property and assets.



3xLOGIC Inc. has been a leading innovator in server and cloud-based security technology for 15+ years. The company is recognized for providing easy-to-use surveillance and business intelligence solutions that seamlessly integrate video, access control, alarm audio and video verification, and disparate data sets such as ATM, Point-of-Sale, analytics, and more.

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PACOM Systems designs, develops and manufactures industry-leading security platforms for enterprise multi-site and campus environments integrating hardware and software into a single solution. With more than 36 years of experience and a proven track record of innovation across different sectors and geographies, PACOM protects vital assets and makes security management easier.  Operating on a global basis, PACOM has offices in Australia, USA, United Kingdom, France, Spain, and Sweden.

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Sonitrol was founded by a police officer in 1964 in Anderson, IN who was tired of responding to false alarms. With the help of an inventor, they created the same audio verification technology that is used today. Sonitrol is the leader in verified electronic security, offering Intrusion Detection, Access Control, Video Surveillance and Fire Monitoring. Sonitrol provides for some of the fastest police response times, lowest false alarm rates and the best apprehension record, over 179,698, in the security industry. This year, twelve Sonitrol franchises business made the SDM Top 100 list.

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What sets us apart?

1. We leverage an international team of engineers in multiple locations to innovate a constant stream of world-class products.
2. By operating with that “local feeling,” we demonstrate our commitment to superior customer service.
3. Our industry-leading training programs, on-site and online, effectively differentiates us from the competition.
4. A management team of thought leaders with a combined 100+ years of experience stands behind the innovation of multiple product lines for every vertical

Contact our dedicated customer services team on:

+44 (0) 161 406 3400

Find out how you can start benefiting from a tailored PAC or GDX system that exceeds your expectations and requirements.