Security companies in United Kingdom (UK) (6,680 found)
NTT DATA, Inc. is a trusted innovator of business and technology services. They're committed to helping clients innovate, optimize and transform for long-term success. R&D investments help organizations and society move confidently and sustainably into the digital future.
Nurjana Technologies is a niche player with a global reach providing innovative products and systems solutions for the defense and aerospace industries. They design and develop state of the art system solutions integrating remote sensing technologies, such as optics, radars and telemetry, to deliver real time expert systems in support of the human decision process.
nVIAsoft Corporation is a startup business that provides security systems using revolutionary biometrics, to offer the most secure methodology to protect individual identity. Their solution is aimed to replace the vulnerable passwords, key fobs and a smart card that contains personal and sensitive information.
Nymi is a Toronto-based technology solutions company that is enabling true digital transformation while protecting the health, safety, and security of connected workers. The technology firm's workplace wearable, the Nymi Band, provides organizations with a platform to achieve Zero Trust security principles and biometric authorization. They solve a variety of challenges that impact productivity, compliance, health/safety, and culture.
O' Rourke Security Systems supply and install the latest advanced systems including intruder alarms, smoke alarms, CCTV, access control systems, gate automation etc. Based in Leitrim, the company offers high quality installations at competitive rates. O' Rourke Security System offers services to both domestic as well as commercial sectors.
Inspiring the future for more than 40 years. O’Reilly shares the knowledge and teaches the skills people need to change their world. For more than 40 years, O’Reilly has imparted the world-shaping ideas of innovators through books, articles, conferences, and our online learning platform. When individuals, teams, and entire enterprises connect with the world's pioneering experts and content providers, anything is possible.
oak9's security as code makes cloud security & compliance easy for developers and security engineers.
Occupop is a beautifully simple recruitment software built for small and medium businesses. Occupop helps businesses be great at hiring through a simple philosophy – to make recruitment incredibly easy and accessible to everyone at work. So, businesses can hire the best people and build the best teams.
OCEM Airfield Technology is a pioneer in technologies that help airports handle more aircraft, safely and efficiently, from approach to departure. They design, manufacture and install airfield lighting systems. Their technology solutions include Airfield Technology, Energy Distribution, Airfield Ground Lighting, LED, and Airfield Ground Lighting Control & Monitoring Systems.
Ocular LCD, headquartered in Dallas, Texas is a renowned supplier of industrial touch panels and display products for the embedded technology industry. Ocular’s innovative technologies enable equipment manufacturers to quickly bring to market product solutions with leading-edge, touch-enabled display capabilities.
Oculeus is a pioneering provider of innovative software solutions for telecommunications service providers, network operators, and other providers of voice and messaging services. The company’s product portfolio includes solutions for interconnect wholesale management, retail voice management and telecommunications fraud protection.
ODVA is a standards development organization and membership association whose members comprise the world’s pioneering industrial automation companies. ODVA works to advance open, interoperable information and communication technologies in industrial automation.
Odyssey Energy Solutions, Inc. is a renowned asset management and solutions company, based out of Boulder, Colorado, USA. Their Odyssey platform helps simplify, streamline and reduce the costs of developing and financing mini-grids around the world.
Ofi Equipos PC is a Mexico-based high technology and innovative solutions provider and integrator. Their solutions come from the creation of intelligent accesses, security generation, audio control, air control, power supply and more in houses, apartments and corporate buildings. They work with architects, maintenance managers, corporate companies, clients with apartments and houses, generating a diagnosis according to the client's objectives.
JSC 'OKHRANNAYA TEHNIKA' is a specialist enterprise, developing technical security equipment for use in perimeter and indoor security, data acquisition systems and CCTV.
Olea Kiosks is one of the country’s top manufacturers of high-caliber, self-service kiosks, but they pride themselves on being agile and versatile enough to adapt to a variety of different industries, as well as customers both large and small. It's this dedication to service that has helped us become one of the country’s top manufacturers of self-service kiosks.
Oliveira & Canha is a company that has been focusing on the development of security solutions suited to the needs of their customers.
Omada provides IT security solutions and services for identity management and access governance that enables organisations to achieve compliance, reduce risk exposure, and maximize efficiency. Their solutions facilitate identity management across IT systems and are known for their business-centric approach and high adaptability.
Oman Telecommunications Company is the first telecommunications company in Oman and is the primary provider of internet services in the country. The government of Oman owns a 51% share in Omantel. Omantel acquired 65% of WorldCall Pakistan in 2008.
As a multi-award-winning MSP and MSSP, Omega Systems is passionate about delivering the security and compliance expertise the businesses need alongside the responsive and reliable managed IT support they deserve.
Omnigo Software is a globally provider of public safety, incident reporting, and security management solutions for law enforcement, education, healthcare, and other enterprises, offering flexible applications that provide actionable insight for making more informed decisions. Omnigo solutions have helped law enforcement and security professionals increase staff productivity by up to 25%, reduce compliance risk, and show measured improvements.
Omnisys is a major global provider of combat-proven mission optimization systems for Defense and Homeland Security (HLS) sectors, for diverse critical missions including Air Defense, Air Surveillance, Counter-UAS (including Counter-Drones), Electronic Warfare, Intelligence Gathering, Spectrum Management and Border Security.
Browse security companies
Upcoming security events in United Kingdom (UK)
The Security Event 2026
- 28 - 30 Apr, 2026
- Birmingham, United Kingdom (UK)
National Cyber Security Show 2026
- 28 - 30 Apr, 2026
- Birmingham, United Kingdom (UK)
Security Cleared Expo - London 2026
- 27 - 27 Oct, 2026
- London, United Kingdom (UK)
The Key To Unlocking K12 School Safety Grants
DownloadHoneywell GARD USB Threat Report 2024
DownloadPhysical Access Control
DownloadThe 2024 State Of Physical Access Trend Report
DownloadThe Security Challenges Of Data Centers
DownloadCLIQ Connect
DNAKE Access Control Terminals: Minimalist Design, Maximum Security!
Unlock the Future with Abloy Pulse: Keyless, Energy-Efficient Security Systems
