Startup list · Europe
Cybersecurity startups in Europe
Below are the top European cybersecurity startups, ranked by total funding. Together the 50 companies on this list have raised a combined $7.9B, and include 15 unicorns. The strongest hubs are United Kingdom, France, Switzerland.
$7.9Bcombined funding · 50 companies
United Kingdomtop hub
50companies shown
15unicorns
Ranked by total funding · Updated 2026-09-16 · Source: Dealroom
| # | Company | Founded | HQ | Funding |
|---|---|---|---|---|
| 1 |
 A
AcronisUnicorn
Cybersecurity company that solves safety, accessibility, privacy, authenticity, and security challenges
|
2003 | Schaffhausen, Switzerland | $658M |
| 2 |
 L
LedgerUnicorn
Providing security and infrastructure solutions for cryptocurrencies and blockchain applications
|
2014 | Paris, France | $584M |
| 3 |
 E
ExeinUnicorn
AI-powered runtime security for firmware and connected devices.
|
2018 | Rome, Italy | $482M |
| 4 |
 C
CopperUnicorn
The institutional gateway to digital asset investing
|
2018 | London, United Kingdom | $281M |
| 5 |
 T
TinesUnicorn
The intelligent workflow platform. AI, automation and agents loved by security and IT teams.
|
2018 | Dublin, Ireland | $271M |
| 6 |
 A
Atos
AI-powered, end-to-end digital transformation and cybersecurity services.
|
1997 | Bezons, France | $256M |
| 7 |
 A
AdjustUnicorn
The industry leader in mobile measurement and fraud prevention
|
2012 | Berlin, Germany | $256M |
| 8 |
 A
AVGUnicorn
Offers anti-virus software for both individual and business computer users around the world
|
1991 | Brno, Czechia | $252M |
| 9 |
 I
Immersive Labs$25M+ revenue
Cyber resilience platform for workforce skill development
|
2017 | Bristol, United Kingdom | $244M |
| 10 |
 D
DarktraceUnicorn
AI-powered cybersecurity platform for autonomous threat detection
|
2013 | Cambridge, United Kingdom | $231M |
| 11 |
 N
Nord SecurityUnicorn
Operates as an internet privacy and security provider for individuals and businesses
|
2012 | Vilnius, Lithuania | $200M |
| 12 |
 V
VeriffUnicorn
Offers AI-powered identity verification and KYC solutions
|
2015 | Tallinn, Estonia | $192M |
| 13 |
 S
Seon$25M+ revenue
Our software relies on the analysis of unevaluated data by using masses of fraud evaluation methods, such as behavioral figure, IP & geo, proxy detection, device fingerprinting and so on
|
2017 | Budapest, Hungary | $188M |
| 14 |
 Z
ZamaUnicorn
Enables web2 and web3 developers to use FHE without having to learn cryptography
|
2019 | Paris, France | $182M |
| 15 |
 W
WISeKey
Information security and digital identity management
|
1999 | Geneva, Switzerland | $166M |
| 16 |
 I
Inside Secure$100M+ revenue
Mobile security and secure transaction offerings to protect critical assets including connected devices, content, services and transactions.
|
1995 | Meyreuil, France | $160M |
| 17 |
 P
Privitar
Allows businesses to collect data while preserving their privacy
|
2014 | London, United Kingdom | $148M |
| 18 |
 E
Envelop$25M+ revenue
AI-driven cyber reinsurance underwriting and risk analytics
|
2016 | London, United Kingdom | $136M |
| 19 |
 E
Eye Security
Cybersecurity, incident response, and insurance for SMEs.
|
2020 | The Hague, Netherlands | $129M |
| 20 |
 C
Cloudsmith
Simply the world’s best cloud-native artifact management platform.
|
2016 | Belfast, United Kingdom | $123M |
| 21 |
 V
Vade$25M+ revenue
A global leader in threat detection and response
|
2009 | Hem, France | $122M |
| 22 |
 S
Sequotech
Unified IT services for Swiss digital transformation.
|
2020 | Delémont, Switzerland | $119M |
| 23 |
 F
FiligranFast growing
Open-source, AI-driven extended threat management solutions
|
2022 | Asnières-sur-Seine, France | $116M |
| 24 |
 P
PortSwigger$25M+ revenue
Web Application Security, Testing, & Scanning | PortSwigger
|
2003 | Knutsford, United Kingdom | $115M |
| 25 |
 C
Callsign$25M+ revenue
Real time AI driven Identity and Authentication Solutions, that confirm the user really is who they say they are, at work and at home
|
2011 | London, United Kingdom | $113M |
| 26 |
 N
Noxtua
Noxtua is Europe’s sovereign Legal AI. Noxtua helps lawyers analyze and draft legal documents and research legal questions while being legally competent and compliant
|
2017 | Berlin, Germany | $110M |
| 27 |
 I
InfoCert
Software company that provides digitization and dematerialization services for a business
|
2007 | Rome, Italy | $110M |
| 28 |
 F
Featurespace$25M+ revenue
Real-time machine learning for enterprise fraud and financial crime
|
2008 | Milton, United Kingdom | $109M |
| 29 |
 G
GitGuardian
Automated secrets detection and remediation for source code.
|
2017 | Paris, France | $106M |
| 30 |
 M
Maltego Technologies
Maltego is an OSINT and graphical link analysis tool for gathering and connecting information for investigative tasks
|
2017 | Munich, Germany | $100M |
| 31 |
 W
Wavenet
Managed IT, cybersecurity, and connectivity solutions provider
|
2000 | Solihull, United Kingdom | $99M |
| 32 |
 S
SIRIN Labs
Develops Solarin, an ultra-secure mobile phone, and FINNEY, an open source blockchain smartphone and all-in-one PC
|
2013 | Schaffhausen, Switzerland | $97M |
| 33 |
 Q
Qredo
A cross-chain protocol platform for asset managers and traders active in the digital asset markets
|
2011 | London, United Kingdom | $96M |
| 34 |
 M
MimecastUnicorn
SaaS-based email management and security platform
|
2003 | London, United Kingdom | $89M |
| 35 |
 I
InfoSum
Decentralised solution for securely collaborating on and sharing anonymised data
|
2016 | London, United Kingdom | $88M |
| 36 |
 G
Glasswall$25M+ revenue
Glasswall delivers the ability to take control of files, to apply standards and policy to how files are used, combined with unique protection from zero-day malware attacks
|
2005 | London, United Kingdom | $86M |
| 37 |
 A
Aikido SecurityUnicorn
Unified security platform for code, cloud, and runtime.
|
2022 | Ghent, Belgium | $85M |
| 38 |
 A
ArqitUnicorn
Developing a quantum resistant blockchain eco-system for enterprise applications
|
2017 | London, United Kingdom | $83M |
| 39 |
 C
Cambridge Quantum Computing
A pioneer in the research and development of powerful quantum technology
|
2014 | London, United Kingdom | $82M |
| 40 |
 K
KeepIt$25M+ revenue
Provides cloud backup and SaaS workload protection services for Office 365, Google Apps and Salesforce
|
2007 | Copenhagen, Denmark | $80M |
| 41 |
 S
Sekoia
Sekoia is the European agentic cybersecurity company building the Cyber Operations Platform for the AI era
|
2008 | Rennes, France | $78M |
| 42 |
 N
Nu Quantum
Developing end-to-end quantum cryptography systems, securing communications within and between cities through urban and satellite free-space optical links
|
2018 | Cambridge, United Kingdom | $76M |
| 43 |
 T
Terra QuantumUnicorn
Developed a new encryption protocol that can’t be broken by quantum computers
|
2018 | St. Gallen, Switzerland | $76M |
| 44 |
 S
SoSafe
SoSafe empowers organizations to build a security culture and turn their employees into active assets against security threats. Powered by behavioral science and smart algorithms, SoSafe's agile awareness programs are easy to deploy, scale, and fun to use.
|
2018 | Cologne, Germany | $73M |
| 45 |
 I
IProov$25M+ revenue
London-based startup that focuses on user-friendly strong identity authentication
|
2011 | London, United Kingdom | $71M |
| 46 |
 T
TEHTRIS
A cybersecurity leader platfrom
|
2010 | Paris, France | $70M |
| 47 |
 H
Hack The Box$25M+ revenue
Hack The Box is a leading gamified cybersecurity upskilling, certification, and talent assessment platform enabling individuals, businesses, government institutions, and universities to sharpen their offensive and defensive security expertise
|
2017 | Folkestone, United Kingdom | $70M |
| 48 |
 V
Valarian
Privacy, security and compliance for existing business communications
|
2019 | London, United Kingdom | $69M |
| 49 |
 G
Garrison Technology
Ultra-secure isolation technology protecting against cyber attacks. Using hardsec principles, we solve secure browsing, VDI and secure data transfer
|
2014 | London, United Kingdom | $65M |
| 50 |
 P
PQShield
Design and implementation of quantum-resistant cryptography for software and hardware applications
|
2018 | Oxford, United Kingdom | $65M |
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