stars 1 stars 2 stars 3

View NS Security UK's top competitors like ADT UK & Ireland, Axis Security Services, and Control Risks.

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
JCI Security Products
Johnson Controls Security Products combines technology with insights to build purposeful access control, video surveillance and intrusion security solutions that help the world progress, meeting today's needs and shaping better tomorrows. Johnson Controls is a world leader in smart buildings, creating safe, healthy and sustainable spaces. With a global team of 100,000 experts in more than 150 countries, Johnson Controls offers the world's largest portfolio of building technology and software as well as service solutions from some of the most trusted names in the industry.
Milwaukee, Wisconsin, US
Private
$814.7M Revenue
http://tycosecurityproducts.com
665 Employees
Control Risks
Control Risks is a global specialist risk consultancy that helps to create secure, compliant and resilient organisations. Combining unrivalled expertise, experience and reach with the power of data and technology, we provide the insight and intelligence needed to stay on track, realise opportunities and grow.
UK
Private
$591.7M Revenue
http://www.controlrisks.com
3.5K Employees
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
g2crowd
G2Crowd Trusted
chromestore
300K+ Plugin Users