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View GD Fire & Security's top competitors like ADT UK & Ireland, Axis Communications, and Cctv.

G4S
G4S is the International business of Allied Universal®, the world’s leading security and facility services provider and trusted partner to more than 400 of the Fortune 500. Allied Universal® delivers unparalleled customer relationships, innovative solutions, cutting-edge smart technologies and tailored services that enable clients to focus on their core businesses. With operations in over 100 countries and territories, Allied Universal is the third largest private employer in North America and seventh in the world. Annual revenue is approximately $23 billion. There is no greater purpose and responsibility than serving and helping to safeguard customers, communities and people. For more information, visit g4s.com.
UK
Public
$20B Revenue
http://www.g4s.com
118.5K Employees
LSE:GFS Ticker
Axis Communications
Axis enables a smarter and safer world by creating solutions for improving security and business performance. As a network technology company and industry leader, Axis offers solutions in video surveillance, access control, intercom, and audio systems. They are enhanced by intelligent analytics applications and supported by high-quality training. Axis has around 4,000 dedicated employees in over 50 countries and collaborates with technology and system integration partners worldwide to deliver customer solutions. Axis was founded in 1984, and the headquarters are in Lund, Sweden. For more information, visit www.axis.com. Experiencing technical difficulties with www.axis.com? Visit: https://status.axis.com.
Lund, SE
Public
$1.6B Revenue
https://www.axis.com
5.5K Employees
STO:AXIS Ticker
ISG
Who we are: At ISG, our vision is to be the world’s most dynamic construction services company, delivering places that help people and businesses thrive. Our 2,800 worldwide specialists deliver unbeatable customer experiences fuelled by a fast-paced, ideas-driven culture. What we do: At ISG, we know places rarely just house people and systems; they form the infrastructure for people’s busy lives and businesses’ daily operations. We blend our unparalleled track record, sound processes and proven delivery methods with a fast-paced and agile culture, ensuring we deliver thriving places that are as agile and resilient as their occupants. How we work: Our years spent working alongside businesses and consultants to address complex building and space challenges mean we understand what constitutes a great delivery dynamic. We don’t do “means to an end”; instead, we believe in the open communication and collaboration that underpins strong relationships and creates enriching customer journeys.
UK
Public
$52.3M Revenue
https://www.isgltd.com/en
4K Employees
LSE:ISG Ticker
G2 Leader Summer 2026 G2 Best Est ROI Mid-Market Summer 2026 G2 Easiest Admin Mid-Market Summer 2026 G2 Most Implementable Summer 2026 G2 Best Results Mid-Market Summer 2026 G2 Lead Capture Mid-Market Summer 2026 Inc Fastest Growing Private Companies 2026 Inc Best Workplace 2026
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