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Top London Security Companies (148)

SailPoint
Artificial Intelligence • Cloud • Sales • Security • Software • Cybersecurity • Data Privacy

At SailPoint, we believe enterprise security must start with identity at the foundation. Today’s enterprise runs on a diverse workforce of not just human but also digital identities—and securing them all is critical. Through the lens of identity, SailPoint empowers organizations to seamlessly manage and secure access to applications and data at speed and scale. Our unified, intelligent, and extensible...

SailPoint
Datadog
Artificial Intelligence • Cloud • Security • Software • Cybersecurity
16 Offices
6,500 Employees
104 Benefits Hiring Now
We are building the monitoring and security platform for developers, IT ops teams and business users in the cloud age.

Datadog (NASDAQ: DDOG) is a global SaaS business, delivering a rare combination of growth and profitability. We are on a mission to break down silos and solve complexity in the cloud age by enabling digital transformation, cloud migration, and infrastructure monitoring of our customers' entire technology stacks. Built by engineers, for engineers, Datadog is used by organizations of all sizes...

Datadog
AlertMedia
Artificial Intelligence • Cloud • Information Technology • Security • Social Impact • Software
AlertMedia helps companies keep their people safe, informed, and connected during emergencies and other critical events.

AlertMedia helps organizations protect their people and businesses through all phases of an emergency. Our award-winning threat intelligence, emergency communication, and travel risk management solutions help companies of all sizes identify, respond to, and recover from critical events faster and more confidently. Our team of in-house intelligence analysts and meteorologists work around the clock to monitor thousands of data sources...

AlertMedia
Snyk
Artificial Intelligence • Cloud • Information Technology • Security • Software • Cybersecurity • Data Privacy
12 Offices
1,000 Employees
107 Benefits Hiring Now
Snyk helps organizations build fast and stay secure in the age of AI.

Snyk, the leader in secure AI software development, empowers organizations to build fast and stay secure by unleashing developer productivity and reducing business risk. The company’s AI Trust Platform seamlessly integrates into developer and security workflows to accelerate secure software delivery in the AI Era. Snyk delivers trusted, actionable insights and automated remediation, enabling modern organizations to innovate without limits....

Snyk
Cloudflare
Cloud • Information Technology • Security • Software • Cybersecurity
13 Offices
4,400 Employees
67 Benefits Hiring Now
Helping Build a Better Internet

Cloudflare, Inc. (NYSE: NET) is the leading connectivity cloud company on a mission to help build a better Internet. It empowers organizations to make their employees, applications and networks faster and more secure everywhere, while reducing complexity and cost. Cloudflare’s connectivity cloud delivers the most full-featured, unified platform of cloud-native products and developer tools, so any organization can gain the...

Cloudflare
Sonar
Artificial Intelligence • Cloud • Security • Software
6 Offices
800 Employees
50 Benefits Hiring Now
Sonar is the trust & verification layer for AI and agentic coding, and the industry standard for automated code review.

Sonar provides the essential verification layer for the AI-driven development era, ensuring all code—whether human-written or AI-generated—is code you can trust. Today, AI coding tools are generating explosive volumes of code. This has created an "engineering productivity paradox" : faster code writing doesn't automatically lead to faster, safer software delivery. The new bottleneck is verification. Sonar solves this. Integrating code quality and...

Sonar
Nasuni
Artificial Intelligence • Big Data • Cloud • Security • Software • Cybersecurity • Infrastructure as a Service (IaaS)
6 Offices
550 Employees
33 Benefits Hiring Now
Nasuni is the unstructured data foundation for enterprise teams and AI, powering where work happens.

Nasuni is a leading unstructured data platform for enterprises where file data is mission-critical for both people and AI. We power the operational file layer where work happens — helping organizations manage, protect, and activate data so teams can work smarter, reduce costs, and operate securely without limits. Built on a patented architecture that fuses cloud object storage with enterprise...

Nasuni
Hiya Inc.
Artificial Intelligence • Cloud • Mobile • Security • Software
3 Offices
145 Employees
40 Benefits Hiring Now
Hiya makes phone calls worth trusting again, combining carrier-grade security and AI insight to protect people from scam

Hiya is trusted by global businesses, carriers, and consumers to enable secure, engaging connections and stop unwanted calls. Hiya is pioneering the next generation of AI-powered voice intelligence with real-time analysis and an AI assistant to enhance voice protection, productivity, and call performance. Hiya connects businesses with their customers, helps carriers secure their networks, and protects people from spam and...

Hiya Inc.
Imprivata
Healthtech • Information Technology • Security • Software • Cybersecurity
8 Offices
1,372 Employees
57 Benefits Hiring Now
Empowering secure digital identities for healthcare and beyond.

For more than two decades, Imprivata has been redefining how life- and mission-critical industries secure and manage digital identities. We empower healthcare and enterprise organizations to enable fast, compliant, and secure access to technology—allowing clinicians and staff to stay focused on what matters most: patient care and operational excellence. Our digital identity platform is purpose-built for complex environments where every second...

Imprivata
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LogicGate
Cloud • Information Technology • Security • Software
2 Offices
202 Employees
49 Benefits Hiring Now
LogicGate® is a leading AI Governance, Risk, and Compliance (GRC) solution.

LogicGate® is the leading AI GRC platform for the Enterprise, helping governance, risk, and compliance teams limit surprises, strengthen resilience, augment program performance, and confidently quantify impact and business value. Built to provide a centralized view of risk and compliance, with AI intelligence woven into the platform's core, LogicGate delivers real-time insights and actionable data to help drive current business...

LogicGate
Zscaler
Cloud • Information Technology • Security • Software • Cybersecurity
32 Offices
8,697 Employees
49 Benefits Hiring Now
Secure, simplify, and transform your enterprise with zero trust.

Zscaler accelerates digital transformation so our customers can be more agile, efficient, resilient, and secure. Our cloud native Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location.

Zscaler
Delinea
Cloud • Security
13 Offices
794 Employees
35 Benefits Hiring Now

Delinea is a leading provider of privileged access management (PAM) solutions that make security seamless for the modern, hybrid enterprise. Our solutions empower organizations to secure critical data, devices, code, and cloud infrastructure to help reduce risk, ensure compliance, and simplify security. Delinea removes complexity and defines the boundaries of access for thousands of customers worldwide, including over half of...

Delinea
SoSafe
Security • Software
7 Offices
457 Employees
1 Benefits Hiring Now

SoSafe empowers organizations to build a security culture and mitigate risk with its GDPR-compliant awareness programs. Powered by behavioral science and smart algorithms, SoSafe delivers engaging personalized learning experiences and smart attack simulations that turn employees into active assets against online threats. Comprehensive analytics measure ROI and tell organizations where vulnerabilities lie. Programs are easy to deploy and scale, fostering...

SoSafe
Marqeta
Fintech • Payments • Security • Software • Financial Services
5 Offices
900 Employees
79 Benefits Hiring Now
Work that powers possibilities

Marqeta enables payment possibilities for the world's innovators. Our open API card issuing platform provides unprecedented flexibility and control for industry-leading companies such as Block, Coinbase, Klarna, Affirm and Uber, to issue cards, authorize transactions, and manage payment operations in real-time.

Marqeta
Fortinet
Security • Software • Cybersecurity
31 Offices
10,357 Employees
32 Benefits Hiring Now

Fortinet develops and sells cybersecurity solutions.

Fortinet
GTT
Information Technology • Security • Design
33 Offices
3,031 Employees
29 Benefits Hiring Now

GTT is a managed network and security services provider to global organizations. We design and deliver solutions that leverage advanced cloud, networking and security technologies. We complement our solutions with a suite of professional services and exceptional support teams in local markets around the world. We serve thousands of national and multinational companies with a portfolio that includes SD-WAN, security,...

GTT
Aqua Security
Cloud • Information Technology • Security • Software • Cybersecurity
5 Offices
500 Employees
25 Benefits Hiring Now
Aqua Security is a UNICORN! Founded in 2015, Aqua Security is a global scale-up company. Aqua stops cloud native attacks

Aqua Security is the largest pure-play cloud native security company, providing customers the freedom to innovate and accelerate their digital transformations. The Aqua Platform provides prevention, detection, and response automation across the entire application lifecycle to secure the build, secure cloud infrastructure and secure running workloads wherever they are deployed.

Aqua Security
Druva
Cloud • Information Technology • Security • Software • Cybersecurity
8 Offices
800 Employees
22 Benefits Hiring Now
Data Protection for the cloud era.

Druva delivers data protection and management for the cloud era. Druva Cloud Platform is built on AWS and offered as-a-Service; customers drive down costs by over 50 percent by freeing themselves from the burden of unnecessary hardware, capacity planning, and software management.

Druva
Daintta
Artificial Intelligence • Information Technology • Security • Consulting • Cybersecurity
London
46 Employees
13 Benefits Hiring Now

We provide deep expertise with technical and business specialists to help clients secure and protect the UK. We are Subject Matter Experts in the National Security, Law Enforcement, Telecommunications, and Health & Care sectors. In complex environments, we use innovative methods to solve the hardest data challenges to help organisations make more informed and accurate decisions, at scale and faster. Our specialisms...

Daintta
Helsing
Artificial Intelligence • Security
4 Offices
237 Employees
Hiring Now

Helsing is a new type of security and artificial intelligence company. We believe that software – and, in particular, artificial intelligence – will be the key capability to keep liberal democracies from harm. Our ambition is to achieve global technology leadership in real-time information processing, turning unstructured sensor data into information advantage for democratic governments. Our platform aims to provide...

Helsing

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