Top Cyber Security Companies in London (208)
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.
OneTrust, the AI-Ready Governance Platform™, enables innovation through the responsible use of data and AI. Trusted by over half of the Fortune 500, we help businesses govern well and move fast, turning responsible data use into a catalyst for growth.
OneTrust's Top Stability & Growth Strengths
Strong Market Position & Advantage: Independent analyst placements repeatedly position the company as a Leader in privacy management, supporting a strong competitive standing in its core niche. A large enterprise footprint is indicated by broad adoption among major global organizations and extensive customer scale.
Strong Revenue Growth: Revenue trajectory is described as scaling rapidly, with recurring-revenue milestones referenced and an ambition to further expand annual recurring revenue. Growth is also framed as being supported by expanding demand for compliance and AI-governance capabilities.
Investor Backing & Capital Strength: Large cumulative funding and multiple major rounds are cited, indicating significant capital availability to fund expansion and product development. Valuation and financing events are presented as providing resources to continue investing through market cycles.
We are a close-knit community of big thinkers collaborating to keep the world safe. Our passion, creativity and expertise bring next-level technology solutions to life in autonomous systems, cyber, C4ISR, strike, space, and logistics and modernization for our customers around the globe. On the Northrop Grumman team, you’ll join our pursuit of excellence immersed in a dynamic culture of innovation...
Northrop Grumman's Top Stability & Growth Strengths
Resilient & Sustainable Growth: Sales have been rising with management raising 2026 guidance, and a book-to-bill above 1 supports continued expansion from a record backlog. Quarterly gains across multiple periods point to steady, durable top-line momentum rather than one-off spikes.
Strong Market Position & Advantage: Prime roles on the B-21 Raider and LGM-35A Sentinel, along with top-tier industry rankings, demonstrate durable competitive standing in high-priority defense domains. A large, multi-year backlog underpins this position with clear demand visibility.
Diversified Revenue Streams: Multiple operating segments (Aeronautics, Mission Systems, Defense Systems, Space Systems) are contributing to sales and new awards, with several major programs ramping. Backlog and awards are distributed across sectors and programs, reducing reliance on any single line of business.
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's Top Stability & Growth Strengths
Strong Revenue Growth: ARR crossed the $1 billion mark in fiscal 2026 and continued to climb into fiscal 2027, while quarterly and full‑year revenues also rose steadily. Company disclosures point to ARR expansion and a growing SaaS mix across 2025–2027.
Innovation-Driven Growth: New offerings focused on non‑human and AI‑agent identities (such as Agentic Fabric and adaptive identity capabilities) align with rising demand to govern machine identities. This product velocity positions the company to capture expansion where machine identities increasingly outnumber humans.
Strategic Partnerships: A strategic collaboration with AWS and the announced acquisition of Entro broaden the ecosystem, enabling new use cases and cross‑sell opportunities. These moves support platform adoption tied to AI‑agent and machine‑identity governance.
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's Top Stability & Growth Strengths
Strong Market Position & Advantage: Recognition as a Leader in Gartner’s 2025 and 2026 Backup and Data Protection Platforms Magic Quadrants, along with IDC’s 2025 Cyber Recovery Leader positioning, indicates durable competitive standing. Consecutive cycle confirmations and independent listings corroborate execution and vision at scale.
Investor Backing & Capital Strength: Multiple venture rounds culminating in a 2021 raise at a valuation above $2B underscore the capacity to finance expansion. This late-stage capital base aligns with continued product releases and partner activity highlighted into 2025–2026.
Strategic Partnerships: A strategic relationship with Microsoft (March 11, 2025) and successive expansions across Azure, Entra ID/Active Directory, and Power Platform show deepening ecosystem leverage. These moves suggest increasing enterprise footprint in Microsoft-aligned environments.
Grouper Technology (Grouper®) is partner to some of Europe’s leading organisations in their software modernisation and digital transformation journey. We help organisations create innovative management systems, tools and technologies that empower their quality assurance needs and in particularly, relating to corporate governance, risk, and compliance. Grouper offers two primary pillars of "Specialised Application Solutions” and “IT Advisory Services”. Our advisory...
Crypto Quantique is building the most secure end-to-end IoT security platform. We are a transformative cybersecurity technology company, using the most advanced techniques in cryptography and quantum physics, designed to ensure that both device security becomes foundational and end-to-end IoT security standard practice. Crypto Quantique has proven the world's first quantum driven security on a chip and its IP can...
Dataminr -- long recognized as one of the world’s leading artificial intelligence (AI) startups -- puts real-time AI and public data to work for our customers, generating relevant and actionable alerts for thousands of users working in more than 100 countries for hundreds of client organizations--spanning global corporations, public sector agencies, NGOs, and newsrooms. As 2020 taught us, the unexpected can...
Our platform gives organizations a complete view of where their data lives, how it’s used, and how to keep it safe, so they can reduce risk and unlock the full value of their data, wherever it is. Backed by more than $1.7 billion in funding from top-tier investors including Accel, Blackstone, Coatue, Cyberstarts, Georgian, Lightspeed, and Sequoia, Cyera’s unified data...
Cyera's Top Stability & Growth Strengths
Strong Revenue Growth: Company-reported year-over-year acceleration and rapid expansion across large enterprises indicate outsized top-line momentum. Announcements highlight multi‑x annual growth and increasing traction with major accounts.
Investor Backing & Capital Strength: Successive large late‑stage rounds at sharply higher valuations and substantial total capital raised point to strong investor conviction and ample runway. Back‑to‑back financings within months underscore continued access to capital.
Market Expansion: Headcount and operating footprint have scaled quickly with teams and offices across multiple regions. Executive appointments and partner-led go‑to‑market moves signal preparation for broader geographic and segment expansion.
Darktrace, a global leader in cyber security AI, delivers world-class technology that protects over 5,500 customers worldwide from advanced threats, including ransomware and cloud and SaaS attacks. The company’s fundamentally different approach applies Self-Learning AI to enable machines to understand the business in order to autonomously defend it. Headquartered in Cambridge, UK, the company has 1,500 employees and over 30 offices worldwide. Darktrace...
Darktrace's Top Stability & Growth Strengths
Strong Market Position & Advantage: Analyst recognitions from Gartner, IDC, and KuppingerCole consistently place Darktrace in the Leader tier for NDR, including a repeat in 2026. This suggests durable competitive positioning in its core detection segment.
Strong Revenue Growth: Company disclosures show double-digit ARR and customer growth through FY2024, establishing momentum heading into the take-private. Trading updates and net retention indicators point to a solid recurring-revenue base prior to reduced reporting as a private company.
Investor Backing & Capital Strength: The completed $5.3B Thoma Bravo acquisition in 2024 provides access to capital and software operating expertise to support roadmap and go-to-market scale. Subsequent acquisitions and U.S. facility expansion reflect sponsor-supported investment in growth.
At Kocho, we believe greatness lies in everyone. That’s why we exist, to help ambitious companies realise their potential. By combining the power of Microsoft cloud with identity, mobility, connectivity, and cyber security services, with our team of truly talented people, we take our clients on a journey of secure transformation. And we’re with you every step of the way. Because...
Fortinet develops and sells cybersecurity solutions.
Fortinet's Top Stability & Growth Strengths
Strong Revenue Growth: Recent results show double‑digit growth in revenue and billings, and management guides to continued double‑digit expansion in 2026. Tracking quarterly billings and service revenue is expected to indicate whether this momentum persists through the year.
Product Line Growth: Unified SASE and Security Operations ARR/billings outpaced the company average through 2025, signaling traction in strategic cloud‑delivered security. This momentum supports the platform strategy beyond core firewalls.
Strong Market Position & Advantage: Multiple analyst evaluations cite leadership across key categories such as firewalls, SD‑WAN, and SASE. A large installed base and broad recognition reinforce competitive positioning across segments.
Kroll is the world’s premier provider of services and digital products related to valuation, governance, risk and transparency. We work with clients across diverse sectors in the areas of valuation, expert services, investigations, cyber security, corporate finance, restructuring, legal and business solutions, data analytics and regulatory compliance. Our firm has nearly 5,000 professionals in 30 countries and territories around the...
Kroll's Top Stability & Growth Strengths
Strong Market Position & Advantage: Multiple third-party descriptions and industry recognitions portray Kroll as a leading independent provider in financial and risk advisory, with top placements in areas like fairness opinions and investigations/forensics. Scale signals such as a global workforce and long operating history reinforce a durable competitive position.
Market Expansion: Evidence points to active expansion through new practices (e.g., Economics and Decision Intelligence), geographic build-outs, and acquisitions across regions including APAC, Europe, and Latin America. Announcements of added services and locations indicate an expanding footprint.
Diversified Revenue Streams: A broad portfolio spanning valuation, investigations, due diligence, compliance, cyber/MDR/IR, restructuring, and agency/trustee services suggests multiple demand drivers. Recognition across several distinct service lines implies revenue is not dependent on a single offering.
We accelerate tech adoption through our services of Cyber Security, Cloud, IoT, Big Data, AI and Blockchain. Follow on our social media channels: • Twitter: https://twitter.com/TefTech_EN • LinkedIn Telefónica Tech AI of Things: https://www.linkedin.com/showcase/telefonicatech-aiofthings • Linkedin Telefónica Cyber Security & Cloud: https://www.linkedin.com/showcase/telefonicatech-cybersecurity-cloud • Youtube: https://www.youtube.com/user/telefonicatech • Instagram: https://www.instagram.com/telefonicatech • Twitch : https://www.twitch.tv/telefonicatech • Blog: https://business.blogthinkbig.com/telefonica-tech/
Motorola Solutions is a global technology company that provides mission-critical communications, video security, and command center software to help protect people, property, and places for public safety agencies and enterprises.
Motorola Solutions, Inc.'s Top Stability & Growth Strengths
Strong Revenue Growth: Recent results show record annual revenue with continued quarterly increases and a raised full‑year outlook. A record multibillion‑dollar backlog adds visibility to near‑term growth.
Profitability: Operating margins remain robust, and full‑year earnings advanced materially, with non‑GAAP profitability metrics improving in recent periods. Management highlights operating leverage alongside higher sales.
Strong Market Position & Advantage: The company holds a dominant position in mission‑critical public‑safety communications and offers an integrated platform spanning radios, video security, and command‑center software. A substantial patent portfolio and long‑standing public‑safety relationships reinforce its moat.
Grayce is a leading skills-based Emerging Talent Consultancy in the Hire, Train, Deploy sector with expertise in business change and digital transformation. We provide diverse emerging talent for large, global organisations, building capability and solving skills gaps. Our industry-leading Accelerated Development Programme has enabled thousands of talented individuals to build successful careers, and has delivered cost-effective, scalable, and sustainable transformation...
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...
Sumsub is the one verification platform to secure the whole user journey. With Sumsub’s customizable KYC, KYB, transaction monitoring and fraud prevention solutions, you can orchestrate your verification process, welcome more customers worldwide, meet compliance requirements, reduce costs and protect your business. Sumsub has over 2,000 clients across the fintech, crypto, transportation, trading and gaming industries including Mercuryo, Bybit, Huobi,...
Illumio, the Zero Trust Segmentation company, prevents breaches from spreading and turning into cyber disasters. Illumio protects critical applications and valuable digital assets with proven segmentation technology purpose-built for the Zero Trust security model. Illumio ransomware mitigation and segmentation solutions see risk, isolate attacks, and secure data across cloud-native apps, hybrid and multi-clouds, data centers, and endpoints, enabling the world’s leading...
Optro (formerly AuditBoard) helps enterprises transform risk into opportunity, redefining GRC through an agentic system of action. More than 50% of the Fortune 500 trust Optro to elevate audit, risk, and compliance in addressing a new era of risk. Optro is top-rated by customers on G2 and was named a Leader in the 2025 Gartner® Magic Quadrant™ for Governance, Risk...
Optro's Top Stability & Growth Strengths
Strong Revenue Growth: Recent ARR milestones and record bookings are cited, indicating accelerating top-line momentum within a short timeframe.
Strong Market Position & Advantage: Multiple analyst designations as a Leader and broad large‑enterprise adoption point to durable competitive standing.
Innovation-Driven Growth: A rebrand centered on AI, rapid AI capability launches, and acquisitions (e.g., FairNow, Midship) signal an innovation engine driving expansion.
