Top Cyber Security Companies in London (208)

Veriff is the preferred identity verification partner for the world’s biggest and best digital companies, including pioneers in fintech, crypto, gaming and the mobility sectors. We provide advanced technology, deep insights and expertise from our foundation in digital-first Estonia and honed over decades in leading the digital identity revolution.The partner of choice for businesses who need to rapidly and effortlessly...

Customer Focus, Innovation and Purpose are Built Into Everything We Do. Lockheed Martin. Your Mission is Ours ™. Headquartered in Bethesda, Maryland, Lockheed Martin is a global security and aerospace company principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services.

As the world moves to a mobile-first economy, businesses need to modernize how they acquire, engage with and enable consumers. Prove’s phone-centric identity tokenization and passive cryptographic authentication solutions reduce friction, enhance security and privacy across all digital channels, and accelerate revenues while reducing operating expenses and fraud losses. Over 1,000 enterprise customers use Prove’s platform to process 20 billion...

F-Secure makes every digital moment more secure, for everyone. We deliver brilliantly simple, frictionless security experiences that make life easier for tens of millions of people we protect and our 200+ partners. For more than 30 years, we’ve led the cyber security industry with first after first with a pioneering spirit born out of a shared commitment to do better...

Welcome to Focus Group. Established in 2003, we’re proud to be one of the UK’s leading independent providers of essential business technology. Here to take care of all your telecoms, IT and connectivity services. This means everything in one place, one point of contact and one bill to cover everything you need. SME or global enterprise business; public sector, service...

Since 2006, CyberClan has been delivering the peace of mind our clients need to operate with confidence online. Located across the United States, Canada and the United Kingdom, CyberClan is a global organization offering first-class Incident Response & Breach Response Services, CyberExtortion, Ransomware, eDiscovery, tailored Risk Management Consultancy Services and unparalleled Managed Security Services. Working with industry-leading companies within a variety...

We’re Ekco: The people who power your possible One of Europe’s leading security-first managed cloud providers. With a network of infrastructure and security specialists across Europe, we’ve perfected our approach to supporting digital transformation. When you have friendly, experienced cloud and security specialists by your side and solutions that just work, you can take your business to the next level. Every risk is...

Founded in 2014, EclecticIQ is a global provider of threat intelligence technology and services that empower customers to neutralize critical cyber threats to their business in an ever-evolving landscape. Guided by our values — being curious, bold, accountable, and collaborative — we help security teams make smarter, faster decisions with dynamic solutions that reduce complexity and streamline threat detection and...

CyberOwl helps asset operators in the maritime and critical national infrastructure sectors gain visibility, cyber security and cyber compliance of systems on their distributed, remote assets. We provide technologies, a managed service and specific cyber security advisory services to support the asset operator. Our technologies provide near-real-time visibility of the behaviours of assets and their communication patterns. They are deployed...

Chess is one of the UK’s leading technology solutions providers, helping over 33,000 businesses grow through proven technology and expert advice. Relationships with all major UK networks and technical capabilities across Voice, & Connect, ICT, CyberSecurity and Digital allows us to design, deploy and support our customers to grow efficiently, work from anywhere, safeguard their businesses and better connect with their...

Cofense® is the leading provider of phishing detection and response solutions. Designed for enterprise organizations, the Cofense Phishing Detection and Response (PDR) platform leverages a global network of over 32 million people actively reporting suspected phish, combined with advanced automation to stop phishing attacks faster and stay ahead of breaches. When deploying the full suite of Cofense solutions, organizations can...

Mindgard is the leader in ai red teaming, helping enterprises identify, assess, and mitigate real-world security risks across AI models, agents, and applications. Founded on pioneering research in AI security, Mindgard was built on the insight that traditional application security approaches cannot protect systems that are probabilistic, adaptive, and deeply embedded into business workflows. As organizations deploy GenAI and agentic systems...

As businesses evolve, users constantly share data access and move around, Torsion delivers powerful visibility and control of ‘who has access to what’ in Microsoft 365. Torsion seamlessly empowers data owners to take responsibility for their own data, because they understand their data best. Its 360-degree visibility and round-the-clock audit trail effortlessly satisfies compliance. And its intelligent automation eliminates inappropriate permissions...

CHEQ is The Intelligence Standard for the Human-AI Era. 15,000+ companies, from industry innovators to the Fortune 50, trust CHEQ to decode the truth behind every digital interaction. Human, bot, or AI agent—CHEQ instantly reveals the entity behind it, its authenticity, and its intent with industry-leading accuracy. By bringing Traffic, Trust, and Identity Intelligence together with deep go-to-market expertise, CHEQ enables businesses...

auticon is an award-winning international social enterprise providing tech consultancy and neuro-inclusion services to clients across industry and service sectors, and exclusively employing professional consultants on the autism spectrum. As a social enterprise our core mission is to promote neuro-diversity and significantly improve the employment prospects of autistic adults through:  Providing high quality, supported, long term careers for skilled autistic adults. ...

At PwC our purpose is to build trust in society and solve important problems. We’re a network of firms in 155 countries with over 327,000 people who are committed to delivering quality in assurance, advisory and tax services. Find out more and tell us what matters to you by visiting us at www.pwc.com.

Every day at FireEye, we see firsthand the impact of cyber-attacks on real people. This is what inspires us to fulfill our mission to relentlessly protect our customers from the impact and consequences of cyber attacks. We have learned that technology alone isn’t enough to combat cyber attackers. Our fundamental belief is that hands-on front-line expertise and intelligence, combined with innovative...

SIRP is the world's first self-driving SOC platform, built to replace human-mediated execution with governed autonomy. While others automate workflows, SIRP relocates decision authority into the system itself—transforming how SOCs scale, reason, and learn. Powered by OmniSense™, our AI-native architecture combines a security-tuned LLM, reinforcement learning, and a dynamic memory graph to drive intelligent agents that act—not assist. SIRP doesn’t...

BioCatch is the leader in Behavioral Biometrics which analyzes an online user’s physical and cognitive digital behavior to protect individuals and their assets. Our mission is to unlock the power of behavior and deliver actionable insights to create a digital world where identity, trust and ease seamlessly co-exist. Leading financial institutions around the globe use BioCatch to more effectively fight...

The Sonatype journey started almost 15 years ago, just as the concept of “open source” software development was gaining steam. From our humble beginning as core contributors to Apache Maven, to supporting the world’s largest repository of open source components (Central), to distributing the world's most popular repository manager (Nexus), we’ve played a meaningful role in helping the world embrace...