Security companies in London (682 found)
SDS Security have been installing intruder /burglar /fire alarms, CCTV, access control and complementary security systems in London and the Home counties for over thirty years. SDS Security is a fully approved NSI ‘Gold’ company. SDS Security offers solutions for residential and commercial applications. The commercial solutions include fire alarms, fire extinguishers, intercoms, monitoring and CCTV digital recording.
Sec Tech UK is a professional security firm offering, close protection services, residential security, security chauffeuring, safe rooms, asset protection, and recovery for both commercial and domestic purposes.
Secure Redact is a video redaction solution that allows you to redact faces, objects, number plates and other personal or sensitive data from images and video. It can be accessed directly online as a self-serve solution (SaaS) or through APIs which can be integrated into your existing workflows.
Securebase Limited is a East Finchley based total security and systems provider for domestic, commercial, industrial and retail sectors. The company designs, installs, and maintains alarm and electronic security systems, as well as physical security systems. Securebase offers intruder alarm systems, CCTV, electronic access control and entry systems, locks, safes, grilles and bars, shutters and garage doors, driveway gates.
Secured by Design (SBD) is the official police security initiative that works to improve the security of buildings and their immediate surroundings to provide safe places to live, work, shop and visit. There are currently many hundreds of companies producing thousands of attack resistant crime prevention products, across 30 different crime categories, which have achieved Police Preferred Specification.
Securicorp Components Ltd creates CCTV systems for a wide range of purposes. They have system design, implementation and support expertise to cater for a range of CCTV requirements.
Security Alliance Limited is a UK based information security services company, founded in 2007 and specialising in the provision of highest quality, award winning security testing and monitoring services. Their security monitoring services provide 24 * 7 protection of clients’ information assets through the continuous monitoring, detection and analysis of security events from over 2000 network devices, servers, applications and databases.
Security Blue Team is a company producing high-quality community events, including CTFs, defensive security operations, and training labs. SBT also offers practical defensive cyber certifications, backed by an Academic Advisory Board comprised of industry experts.
Security by Design is a London-based systems integrator. The company offers a wide range of security solutions including CCTV, access control, intruder alarms, information protection, burglary prevention, door entry systems, etc. for commercial and domestic clients. Security by Design provides services from concept through installation to after sales service, system takeover and maintenance.
Security Systems Technology Ltd (SST) is a specialist, independent, security systems integrator with proven expertise in creating bespoke solutions to meet the needs of any business, small or large. As well as being pioneers in cutting edge security solutions like ‘Virtual Turnstile’ (VT) and fully integrated IP Megapixel CCTV surveillance systems, we also specialise in the installation of access control and biometric authentication.
SecurityHQ is a Global MSSP that monitors networks 24/7, to ensure complete visibility and protection against cyber threats. Threats can be both external and internal. Which means that the right combination of tools, skills, people and processes are essential, to proactively and effectively manage, detect and defend environment from all malicious activity.
SeeQuestor is an integrated software and hardware toolset, designed to dramatically increase the speed at which police and security teams analyse video as part of investigations. It is the complete solution for post-event analysis for law enforcement and security. SeeQuestor’s powerful video analytics can detect movements, faces and people, and index each video allowing for faster reviews and searches.
Seesy is a disruptive new video-led hiring platform, designed to meet the needs of a new generation of talent and their employers.
Send Word Now is the leading worldwide provider of enterprise communications services. Their easy-to-use, web-based and mobile solutions are deployed by businesses, government agencies, universities and non-profit organisations to ensure fast, effective communication when it is needed the most.
SenseOn revolutionises cybersecurity with AI-driven NDR, EDR, and XDR solutions. The platform, developed by cybersecurity experts and former government operatives, automates threat detection and response, protecting against advanced cyber threats like ransomware and data breaches.
SentryBay are pioneers in developing technology that approaches security issues from a different – and more proactive – perspective. SentryBay has created unique technology that detects sophisticated malware often missed by both AV and EDR solutions – and a suite of dark web monitoring solutions that adds further value to their software suite.
ShapeBlue is the largest independent integrator of CloudStack technologies globally. It combines 100’s of man-years of experience in designing and building complex cloud, network, and storage infrastructure with globally pioneering skills in Apache CloudStack.
Shell is a global energy company with around 87,000 employees in more than 70 countries. They work together to power progress through more and cleaner energy solutions. Shell serves more than 30 million customers at almost 46,000 retail service stations every day.
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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)
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