Explore top tech companies
All Filters
Office Type

Industry

Size

Open Jobs

Remote Jobs

Tech Stack

Top Cyber Security Companies in London (208)

FireEye
Healthtech • Cybersecurity
20 Offices
3,090 Employees
38 Benefits

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...

FireEye
Duo Security
Cloud • Information Technology • Machine Learning • Security • Software • Cybersecurity • Data Privacy
4 Offices
1,000 Employees
42 Benefits
Our mission is simple: democratize security by making it easy and effective for everyone to use.

Duo Security, now part of Cisco, is the leading multi-factor authentication (MFA) and secure access provider. Duo is built on the promise of doing the right thing for our customers and each other. This promise is as central to our business as the product itself. Our four guiding principles are the heart of this sensibility: Easy, Effective, Trustworthy, Enduring We’re transforming...

Duo Security

Duo Security's Top Stability & Growth Strengths

Product Line Growth: Expanded product breadth beyond traditional MFA into IAM, including phishing-resistant MFA, SSO, passwordless authentication, and identity intelligence.

Resilient & Sustainable Growth: Rising authentication volumes at large scale are presented as an adoption proxy, and Cisco notes Duo is helping offset declines elsewhere in the portfolio.

Strong Brand Reputation: Repeat external recognition and broad positioning as a leader in user authentication support a strong standing in its core category.

Findernest
Artificial Intelligence • Cloud • Information Technology • Internet of Things • Cybersecurity • Infrastructure as a Service (IaaS) • Big Data Analytics
2 Offices
50 Employees
9 Benefits
For Enterprises, Expertise, Excellence, Execution - FE defines success. Scalable Business Solutions Possible for You

At Findernest, we empower global employers with cutting-edge human capital solutions, prioritizing innovation and strategic partnerships for unparalleled growth. Our end-to-end services encompass Technology Consulting, Cloud solutions, Data Analytics, AI integration, IoT, machine learning (ML), and Cybersecurity, all designed to drive excellence and execution for enterprises worldwide.

Findernest
Coalition
Insurance • Cybersecurity
8 Offices
618 Employees
21 Benefits Hiring Now

Coalition is the leading provider of cyber insurance and security, combining comprehensive insurance and proactive cybersecurity tools to help businesses manage and mitigate cyber risk. Coalition’s unique product offerings combine best-in-class insurance and proactive cybersecurity tools to help keep businesses safe.

Coalition

Coalition's Top Stability & Growth Strengths

Strong Revenue Growth: The company wrote approximately $630 million in premiums in 2023 and was approaching $1 billion on an annual basis by early 2024, with recognition for extraordinary multi‑year revenue growth. These milestones indicate sustained top‑line momentum alongside a sizable and expanding customer base.

Market Expansion: Its admitted carrier began quoting cyber in all 50 U.S. states and D.C. in 2024, and the firm launched or expanded in Canada, the U.K., Australia, Germany, and France, including Lloyd’s coverholder status. These moves broaden distribution and eligibility, including extending to larger enterprises in Canada.

Strategic Partnerships: Backing and capacity from Swiss Re Corporate Solutions, Lloyd’s of London, Arch, and Allianz, plus a 2025 equity investment from Mitsui Sumitomo, bolster capital access and credibility. Additional long‑term capacity arrangements (e.g., with The Hartford in the U.K.) support program scale and resilience.

Synack Red Team
Software • Cybersecurity
2 Offices
909 Employees
29 Benefits Hiring Now

The Synack Red Team is a private freelance security research team that spans 6 continents and over 80 countries. Comprised of some of the most sought after security researchers in the world, the Synack Red Team provides web application, mobile application, and host infrastructure penetration testing engagements. If you’ve got the skills and integrity to run with a different crowd,...

Synack Red Team
Flexera
Big Data • Cloud • Information Technology • Software • Business Intelligence • Cybersecurity
18 Offices
2,000 Employees
43 Benefits Hiring Now
We help companies turn technology into a competitive advantage, whether they make it or use it.

Flexera delivers SaaS-based IT management solutions that enable enterprises to accelerate digital transformation and multiply the value of their technology investments. We help organizations inform their IT with definitive visibility into complex hybrid IT ecosystems, providing unparalleled IT insights that allow them to seize technology opportunities. And we help them transform their IT with tools that deliver actionable intelligence across...

Flexera

Flexera's Top Stability & Growth Strengths

Market Expansion: Multi‑year acquisitions—Snow Software (2024), NetApp’s Spot FinOps portfolio (2025), and ProsperOps plus Chaos Genius (2026)—broaden coverage across ITAM, SaaS, FinOps, and AI/data‑cloud cost optimization. Ongoing 2026 Flexera One releases, including a ProsperOps+ FinOps suite, reinforce expansion into Kubernetes/container and AI cost domains.

Strong Market Position & Advantage: Leader placements in Gartner’s 2025–2026 SaaS Management Platforms MQ and 2024–2025 Cloud Financial Management Tools MQ indicate competitive strength across core segments. Company materials and State of the Cloud/ITAM reports further underscore presence with large enterprises.

Innovation-Driven Growth: Continuous 2026 feature updates to Flexera One and the launch of AI Cost Management signal active product investment. Agentic/AI capabilities added via ProsperOps and Chaos Genius enhance automation in cloud and data‑cloud optimization.

Prove
Fintech • Mobile • Security • Software • Cybersecurity
10 Offices
320 Employees
35 Benefits
Prove is the leader in mobile & digital identity authentication for the connected world.

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...

Prove

Prove's Top Stability & Growth Strengths

Strong Market Position & Advantage: Adoption is described as broad and enterprise-grade, including extensive penetration in U.S. financial institutions and high transaction/event volumes, indicating durable positioning in its phone-centric identity niche.

Strong Revenue Growth: Revenue is described as having grown rapidly year-over-year in the years cited, with additional indicators such as rising international business and large-scale onboarding impact suggesting continued commercial momentum.

Investor Backing & Capital Strength: Late-stage funding and a stated unicorn valuation are presented alongside substantial total capital raised, implying strong access to capital to support scaling and resilience.

Exabeam
Artificial Intelligence • Information Technology • Machine Learning • Security • Software • Cybersecurity • Generative AI
8 Offices
850 Employees
27 Benefits
Exabeam delivers threat research and out-of-the-box content so that you can quickly defend against emerging cyberthreats

Exabeam is a global cybersecurity leader that delivers AI-driven security operations. High-integrity data ingestion, powerful analytics, and workflow automation power the industry’s most advanced self-managed and cloud-native security operations platform for threat detection, investigation, and response (TDIR). With a history of leadership in SIEM and UEBA, and a legacy rooted in AI, Exabeam empowers global security teams to combat cyberthreats,...

Exabeam

Exabeam's Top Stability & Growth Strengths

Strong Market Position & Advantage: Repeated placement as a Leader in the Gartner Magic Quadrant for SIEM, coupled with added scale from the 2024 LogRhythm merger, signals durable competitive positioning. Consistent analyst validation and a broadened installed base support ongoing relevance against large platform rivals.

Innovation-Driven Growth: Early introduction of machine learning in SIEM and recent agentic AI advances (e.g., Exabeam Nova) reflect a sustained innovation cadence. Frequent platform updates and new capabilities across SIEM, UEBA, and SOC automation suggest continued product momentum.

Strategic Partnerships: Expanded ecosystem ties, including intelligence integrations (e.g., Recorded Future) and unified partner programs, strengthen go‑to‑market reach. Channel-led motions and MSSP-focused initiatives indicate an active push to scale through partners.

Popular Company Searches in London

Tech Companies in London
3D Printing Companies in London
3PL Companies in London
Adtech Companies in London
Aerospace Companies in London
Agencies in London
Agriculture Companies in London
Analytics Companies in London
Angel Investors & VC Firms in London
App Development Companies in London
Appliances Companies in London
AI Companies in London
Automation Companies in London
Automotive Companies in London
Beauty Companies in London
Data Analytics Companies in London
Big Data Companies in London
Biotech Companies in London
Blockchain Companies in London
Business Intelligence Companies in London
Cannabis Companies in London
Chemical Companies in London
Cloud Companies in London
Co-Working Spaces & Incubators in London
Computer Vision Companies in London
Consulting Firms in London
Conversational AI Companies in London
Cryptocurrency Companies in London
Cyber Security Companies in London
Data Privacy Companies in London
Database Companies in London
Defense Companies in London
Design Companies in London
Digital Media Companies in London
E-commerce Companies in London
Edtech Companies in London
Energy Companies in London
Enterprise Web Companies in London
Esports Companies in London
Event Companies in London
Fashion Companies in London
Financial Services Companies in London
Fintech Companies in London
Fitness Companies in London
Food Companies in London
Gaming Companies in London
Generative AI Companies in London
Greentech Companies in London
Hardware Companies in London
Health Tech Companies in London
Hospitality Companies in London
HR Tech Companies in London
Industrial Companies in London
IT Companies in London
IaaS Companies in London
Insurance Companies in London
IoT Companies in London
Kids + Family Companies in London
Legal Tech Companies in London
Logistics Companies in London
Machine Learning Companies in London
Manufacturing Companies in London
Martech Companies in London
Metaverse Companies in London
Mobile Companies in London
Music Companies in London
Nanotechnology Companies in London
Natural Language Processing Companies in London
News + Entertainment Companies in London
NFT Companies in London
On-Demand Companies in London
Payments Companies in London
Pet Companies in London
Pharmaceutical Companies in London
Productivity Companies in London
Professional Services Companies in London
Proptech Companies in London
Quantum Computing Companies in London
Real Estate Companies in London
Renewable Energy Companies in London
Retail Companies in London
Robotics Companies in London
Sales Companies in London
Security Companies in London
Semiconductor Companies in London
SEO Companies in London
Sharing Economy Companies in London
Social Impact Companies in London
Social Media Companies in London
Software Companies in London
Solar Energy Companies in London
Sports Companies in London
Telehealth Companies in London
Transportation Companies in London
Travel Companies in London
Utilities Companies in London
VR Companies in London
Wearables Companies in London
Web3 Companies in London

Sign in to save company job alert.

Create Free Account