Security companies in United Kingdom (UK) (6,765 found)
Based in Manchester, Optimum PDM is a sales and marketing agency for electronic security and technology companies established in 2005. The company delivers customised sales and marketing services and support client's business objectives and sales targets. Optimum PDM customers include manufacturers, distributors and installers of CCTV, access control, intruder detection, fire, ANPR and EAS tagging.
Optimum Group Partnerships, established in 1998, is a trusted company providing integrated best-in-class security and safety solutions to businesses, comprising a wide and varied client base.
Optyma are the UK's leading designer, installer and supplier of integrated security systems including CCTV systems, intruder alarms systems, access control systems, and security communication systems. etc. Based in Kent, the company are the preferred partner of many medium to larger sized organizations. Optyma continued investment in training ensures they deliver a new generation of technology, which is technically innovative and highly secure.
Orbis, formerly SitexOrbis, is the established market leader providing property and people protection in a range of sectors with a diversified client base. SitexOrbis is the trusted partner for a number of local authorities and housing associations as well as a large number of private sector organizations such as Tesco and Norwich Union.
Orbital Marine Power (Orbital) is a visionary, Scotland-based, renewable energy company focused on the development and global application of its pioneering floating turbine technology. Orbital’s innovative, approach de-risks the commercial extraction of low carbon energy from fast-flowing currents by offering low manufacturing and installation costs as well as the ability to carry out inexpensive, quick servicing on all major turbine components.
Orbnet Systems are a UK based security system software company focused on video surveillance and custom software development. They specialize in video streaming protocols, radar technology, surveillance drones, alarm systems, access control and cloud integrations.
Orchard Fencing supplies and installs high quality fencing solutions for both business and domestic customers throughout the south-west. Since 1997 the Taunton based company has built an outstanding reputation as Somerset's leading fencing contractor, specializing particularly in major projects and challenging sites.
OrderWork was built on the recognition that retailers needed to differentiate their brands in an expanding online market. With access to OrderWork's white-label team of service professionals, retailers can offer customers nationwide installation services through OrderWork's Delivery Network.
Orestone Controls offers 24/7 manned protective monitoring service utilizing permanent and semi-permanent CCTV and fire detection systems. They also provide door safety services, access control systems, emergency alarm systems, gate automation, fire alarm systems and many more.
Focusing on invention and innovation with an emphasis on exceptional design and performance, Orisec has filed in excess of 100 patents, and registered designs and trademarks on their professional intruder alarm equipment. Above all, their products are reliable and easy to install. Professional installers can visit their 70,000 sq. ft. manufacturing and training facilities located in Haslingden, Lancashire.
Orka Technology Group (Orka) provides worker-tech solutions that help hourly-workers with sourcing, on-boarding and getting paid for work. Orka's software solutions help unlock the potential of the workforce by utilizing their API integrations, saving time and money in operations by accessing the Orka suite via an integration partner.
Orpheus is a specialist cybersecurity company that provides predictive and actionable intelligence to clients - enabling them to anticipate, prepare for and respond to the cyber threats they face.
SailPoint was founded in 2005 to deliver innovative solutions that address some of the world’s most dynamic security issues. That passion and commitment to solving customers’ pressing security and identity challenges guide to this day.
OutThink is an innovative, disruptive solution, which redefines and evolves security awareness. The OutThink web-based platform (cloud - SaaS) goes beyond traditional security awareness training and phishing simulations and has been developed specifically to identify, measure human risk and affect behavior change.
OV (OVConnects) is a renowned provider of global cellular connectivity to IoT and mobile service providers, in the United Kingdom and other international markets. The brand sits within the Manx Telecom group of companies, leveraging high-quality mobile network infrastructure, engineering expertise, and global network agreements with other mobile network operators, to provide global cellular connectivity to IoT and mobile service providers.
As an IoT MNO, OV is uniquely positioned in the industry to provide you with global connectivity through 600+ direct roaming agreements with the added flexibility of being able to directly negotiate rates and deliver solutions tailored to customer project needs. Their connectivity powers some of the world’s largest OEM’s and resellers with over seven million IMSI’s under management.
Ovation Systems Ltd specializes in the design and manufacture of video surveillance products for the police, military and other government law enforcement agencies. The company’s product range includes video scrambling and video encryption systems, multiplexer/demultiplexer systems, digital video recorders etc.
Born from the seed of an idea to sell Overclocked CPUs and performance hardware, Overclockers UK was founded in 1999 by their Chairman, Mark Proudfoot. Between 2001 and 2008 Overclockers UK continued to expand their operations, taking on extra units to cope with increasing customer demand and a burgeoning workforce. Overclockers UK now employs 40 staff and with over half a million registered customers.
Overview is British company founded in 1985 and is headquartered in South West London. They develop and supply camera positioning technology and sensors to the OEM/ODM market and for supply through distribution channels.
Oxehealth’s Oxecam software enables standard digital video cameras to remotely detect heart rate, breathing rate, movement and other vital signs, in the light or dark, anywhere in a room. The company uses its expertise in signal processing, machine learning and computer vision algorithms to develop the potential of camera technologies for health monitoring across a wide range of human vital signs.
Oxford Security Services Ltd is a local Security Company based in Oxford serving the whole of Oxfordshire. It offers a wide range of services from Alarm response, mobile patrols, key holding, and open and closing services. Its aim is to provide a flexible, efficient, and reliable service to meet all needs and at the same time maintain a high image for the company.
Oysta Technology Ltd provides GPS and telemetry solutions to a wide range of industries, governments and law enforcement agencies. Oysta specialises in designing and installing lone worker protection, telecare, vehicle safety and monitoring systems for customers.
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Upcoming security events in United Kingdom (UK)
National Cyber Security Show 2026
- 28 - 30 Apr, 2026
- Birmingham, United Kingdom (UK)
The Security Event 2026
- 28 - 30 Apr, 2026
- Birmingham, United Kingdom (UK)
Security Cleared Expo - London 2026
- 27 - 27 Oct, 2026
- London, United Kingdom (UK)
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