33N
Venture capitalSilicon Valley · Seed–Series B · 51 people tracked
Investment thesis
33N is a European VC firm investing globally in frontier Cybersecurity, AI, and Defense companies that secure and power the AI era. With more than a decade of specialist experience across the modern cyber cycle, the firm backs early-stage founders building category leaders, having supported three unicorns at their earliest rounds and seen portfolio companies acquired by global tech giants. The firm leverages proprietary data, deep sector knowledge, and relationships, and is backed by a network of 50+ CISOs, AI and data leaders, and operators organized into two forums — the CISO Circle and the AI & Data Circle — to connect portfolio companies with customers, channels, and technical talent.
Source: firm website, verified Aug 3, 2026.
Team · 51 people
from the firm's website & curated & public directoriesFounder mafia
The 33N mafia →6 people who came through 33N went on to found or lead other companies.
What they invest in
from 25 of 28 portfolio companiesCybersecurity ×20AI & Machine Learning ×15SaaS ×14Enterprise Software ×13Developer Tools ×8Cloud Computing ×6Data & Infrastructure ×3Fintech ×2
HQs:United States×2Spain×1Israel×1Italy×1
Who they back
founder profiles across 15 portfolio companiesFounding team size:solo founder×82 founders×53 founders×2
Where their founders worked beforefrom 13 founders with career history
Israeli Air Force ×2OWASP ×2
Investments · 28 tracked
founders shown can be your intro pathAcoru is a fraud prevention and cybersecurity company founded by former Buguroo/Revelock leaders, focused on detecting and preventing online fraud at scale.
AI & Machine LearningCybersecurityFintech
Pablo de la Riva Ferrezuelo(Co-founder)David Morán(Co-founder)
Co-investorsAthos CapitalAdara Ventures
Apono provides an access management platform that replaces standing privileges by granting scoped, just-in-time access at runtime and automatically revoking it.
Cloud ComputingCybersecurityDeveloper ToolsEnterprise SoftwareSaaS
Sara Teare(Founder)Rom Carmel(Founder)inOfir Stein(Founder)in
Co-investorsAccelBackbone AngelsMatrixMeron CapitalMindset VentureNew Era Capital Partners+9 more
Arctic Wolf provides managed detection and response (MDR) services with 24x7 security teams that detect, investigate, and respond to threats using an open XDR platform processing trillions of events weekly.
AI & Machine LearningCybersecurityEnterprise SoftwareSaaS
Brian NeSmith(Founder & CEO)in
Co-investorsArtisanal VenturesBright Pixel CapitalClearSkyCyber Mentor FundDelta-v CapitalDraper Associates+14 more
Aryaka provides managed SD-WAN and SASE networking and security services delivered over a global cloud network for enterprise customers.
Cloud ComputingCybersecurityEnterprise Software
Shailesh Shukla(Chief Executive Officer & Chair of the Board)Darin McAreavey(Chief Financial Officer)Renuka Nadkarni(Chief Product Officer)Megha Sharma(Chief Legal and People Officer)Vikas Garg(Chief Engineering & Cloud Operations Officer)Vidyaranya Maddi(Chief Customer Officer)
Co-investorsThird Point VenturesMohr Davidow VenturesNexus Venture PartnersPresidio VenturesStanford UniversityTrinity Ventures
Wireless LAN chipsets (ATHR); acquired by Qualcomm in 2011.
San Diego, US
Co-investorsAVVICCP Venture PartnersMayfield FundNew Enterprise Associates (NEA)Qualcomm VenturesStorm Ventures+4 more
Barracuda provides a suite of cloud-based and on-premises cybersecurity solutions protecting organizations against email threats, data loss, network attacks, and application vulnerabilities.
Cloud ComputingCybersecurityEnterprise SoftwareSaaS
Co-investorsFrancisco PartnersSequoia CapitalTen Eleven
Bitsight provides a cyber risk intelligence platform that monitors entities across the internet to identify vulnerabilities and emerging threats in real time.
AI & Machine LearningCybersecurityData & InfrastructureEnterprise SoftwareSaaSCambridge, US
Nagarjuna Venna(Executive Officer, Director)inStephen Boyer(Executive Officer)inShaun McConnon(Executive Officer, Director)Robert T Turner(Executive Officer, Director)Elizabeth Fischer(Executive Officer)inBrian Cohen(Executive Officer)in
Co-investorsAlphaDriveCapital Midwest FundComcast VenturesFlybridge Capital PartnersGlobespan Capital PartnersMenlo Ventures+7 more
Codacy provides a platform for code quality, security, and AI coding policy enforcement, letting engineering teams define coding standards and apply them across projects, IDEs, and AI coding agents.
AI & Machine LearningCybersecurityDeveloper Tools
Jaime Jorge(Founder)inKendrick Curtisin
Co-investorsArmilar Venture PartnersBright Pixel CapitalFaber
Cybersixgill (part of Bitsight) provides a cyber threat intelligence platform that captures, processes, and alerts security teams to emerging threats, TTPs, IOCs, and risk exposure, covering areas such as compromised credentials, vulnerabilities, ransomware, and adversary activity.
AI & Machine LearningCybersecuritySaaS
Co-investorsBright Pixel CapitalElron VenturesOurCrowdREV Venture Partners
DataGalaxy provides a governance platform that connects technical and business teams to manage data and AI as a driver of organizational value rather than a compliance burden.
AI & Machine LearningData & InfrastructureEnterprise Software
Seb
Co-investorsAV8 VenturesNewfund Capital
Co-investorsAllegisCyber CapitalBright Pixel CapitalChiratae Ventures
Equixly runs a continuous penetration testing platform that uses an autonomous "Agentic AI Hacker" to discover, attack, and validate applications and APIs in production, uncovering business logic flaws, authorization failures, and multi-step exploit chains.
AI & Machine LearningCybersecurityDeveloper ToolsSaaS
Mattia Dalla Piazza(CEO & Founder)inAlessio Dalla Piazza(CTO & Founder)in
Co-investorsAlpha Intelligence CapitalJME Ventures
Excellium Services, part of Thales, provides cybersecurity services including risk reduction, security operations centre monitoring, incident response, and cyber threat intelligence.
Cybersecurity
Co-investorsBright Pixel Capital
Exein provides runtime cybersecurity for Physical AI systems, embedded and Linux-based devices, firmware, IoT fleets, cloud workloads, and Kubernetes, with on-device threat detection and binary/SBOM analysis mapped to compliance requirements.
AI & Machine LearningCybersecurityIoTRome, IT
Gianni Cuozzo(Founder & CEO)in
Co-investorsBalderton CapitalBerliner Volksbank VenturesGeodesic CapitalHV CapitalIntrepid Growth PartnersRedstone+6 more
Feedzai provides AI-powered fraud detection and financial crime prevention for banks and financial institutions.
AI & Machine LearningCybersecurityFintech
Nuno Sebastião(Founder & CEO)in
Co-investorsArmilar Venture PartnersBright Pixel CapitalDCVC (Data Collective)Dozen InvestmentsGutbrain VenturesKarma Ventures+9 more
Hackuity provides a vulnerability management platform that aggregates security tools and uses risk-based scoring to prioritize and automate remediation of cyber threats for organizations.
CybersecurityEnterprise SoftwareSaaS
Co-investorsBright Pixel CapitalSonae IM
IriusRisk provides an AI-augmented threat modeling platform that lets engineering, security, and compliance teams design and secure applications at the design stage, generating diagrams, threat analysis, and control recommendations.
AI & Machine LearningCybersecurityDeveloper Tools
Stephen de Vries(Founder)in
Co-investors360 CapitalBright Pixel CapitalChamaeleonPaladin Capital GroupSonae IMSwanlaab Venture Factory+1 more
Jscrambler provides client-side security software that monitors and controls third-party and AI-powered scripts running in the browser to prevent supply chain attacks, data leaks, and code tampering.
CybersecurityDeveloper ToolsEnterprise SoftwareSaaS
Co-investorsBright Pixel CapitalChamaeleonSonae IMAce Capital PartnersPortugal Ventures
Link11 provides a cloud-based security platform that detects and prevents DDoS and other attacks on IT infrastructure, web applications, and content delivery.
Cloud ComputingCybersecuritySaaS
Co-investorsData Point Capital
MedUX provides Quality of Experience (QoE) solutions for testing, benchmarking, and monitoring of fixed and mobile networks.
AI & Machine LearningCloud ComputingData & InfrastructureEnterprise SoftwareIoTSaaS
Luis Molina(CEO)Rafael González(EMEA SVP)Alfonso Araujo(SVP, Product & Technology)Jorge Aguilar(Americas SVP)
Co-investorsBright Pixel Capital
OutSystems provides an AI development platform that combines low-code visual development with AI capabilities so enterprises can build, deploy, and manage custom applications and AI agents.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareGrand Duchy
Rui Pereira(Director)
BoardJoaquim Rodrigues(Director)Paulo Rosado(Executive Officer, Director)Stephen Shanley(Director)Christian Resch(Director)Michael Pehl(Director)
Co-investorsArmilar Venture PartnersBright Pixel CapitalChamaeleonSonae IMTiger Global Management
Panorays provides continuous monitoring and assessment of external attack surfaces and third-party cyber risks through automated scanning of digital assets across supply chains.
AI & Machine LearningCybersecurityEnterprise SoftwareSaaSTel Aviv, IL
Matan Or-El(CEO & Co-Founder)Meir Antar(COO & Co-Founder)Demi Ben-Ari(Co-Founder & Chief Strategy Officer)
Co-investorsAlephGreenfield PartnersMoneta VCOak HC/FT
Portainer builds a container management platform that simplifies deployment and administration of containerized applications.
Cloud ComputingDeveloper ToolsEnterprise Software
Anthony Lapenna(Founder)inNeil Cresswell(Founder)in
Co-investorsAlt VenturesBessemer Venture PartnersBright Pixel CapitalMovacNZ Growth Capital PartnersShasta Ventures
Probely is a security testing platform that discovers APIs and web applications, finds their vulnerabilities, prioritizes them, and provides guidance on how to fix them.
CybersecurityDeveloper ToolsSaaS
Co-investorsBright Pixel CapitalChamaeleonSemapa NextShilling VCTIIN Capital
Co-investorsBright Pixel CapitalJAL Ventures Ltd.SixThirty Ventures
SafeBreach offers a continuous threat exposure management (CTEM) platform that combines breach and attack simulation, attack path validation, and an AI agent to help enterprise security teams identify, prioritize, and remediate cyber risk.
AI & Machine LearningCybersecurityEnterprise SoftwareSaaS
Guy Bejerano(CEO & Co-founder)inItzik Kotler(CTO & Co-founder)inMichal Weiner(Chief Financial Officer)inRaman Kumar(Chief Customer Officer)in
Co-investorsOCV PartnersBain CapitalDTCPBright Pixel CapitalDnx VenturesEmerald Development Managers+2 more
StrikeReady offers an AI-powered security command center that centralizes, analyzes, and operationalizes security data across an organization's entire security tech stack.
AI & Machine LearningCybersecuritySaaS
Alex Lanstein(CTO)
Co-investorsCriteria Venture TechHitachi VenturesMonta Vista CapitalOutliers VC11.2 Capital
The page hosts "WeaveSlot", offering articles and services related to online slot gambling, including game reviews, demo play, free credits, deposit/withdrawal via True Wallet, and bankroll management tips for players.
ConsumerGamingLondon
Matthias Radestock(Executive Officer, Director)Alexander Richardson(Executive Officer, Director)
BoardKevin Comolli(Director)John Newton(Director)
Co-investorsAccelBright Pixel CapitalGV (Google Ventures)
Exits · 1
IPOs and acquisitions across the tracked portfolioAtheros Communicationsacq. by Qualcomm
Portfolio news
latest coverage across their companiesOutSystems · financialit.net · Aug 7, 2026
Apono · securityweek.com · Jun 25, 2026
Cybersixgill · trysignalbase.com · Mar 24, 2026
Exein · securityweek.com · Dec 18, 2025
Equixly · fintech.global · Dec 10, 2025
Feedzai · fintechfutures.com · Oct 7, 2025
Frequently asked questions
- How many investments has 33N made?
- 33N has 25 tracked investments.
- What stage does 33N invest at?
- 33N invests at the Seed, Series A, Series B stages.
- What is 33N's typical check size?
- 33N typically writes checks of $4.3M – $13M.
- What sectors does 33N focus on?
- 33N focuses on AI & Machine Learning, Cybersecurity, Data & Infrastructure, Defense Tech, Enterprise Software, SaaS.
- Where is 33N located?
- 33N is headquartered in Silicon Valley, LU.
- Does 33N lead rounds?
- Yes, 33N leads investment rounds.
- Who does 33N co-invest with?
- 33N most often shares deals with Bright Pixel Capital, Chamaeleon, Armilar Venture Partners, among 103 tracked co-investors.
Images
Co-investors · 19
Bright Pixel Capital is an investment firm backing technology companies, with a strong focus on cybersecurity, retail tech, and infrastructure software across multiple geographies.
Accel is a venture capital firm that partners with exceptional teams, positioning itself as a first partner to founders globally.
JME Ventures is a Spain-focused seed-stage venture capital firm that backs founders building world-class solutions, having invested in over 70 startups since 2012.
GV (Google Ventures) is a venture capital firm that has invested in artificial intelligence and machine learning since its early days, building a global portfolio of more than 100 AI companies across infrastructure, life sciences, and applications.
Lightspeed is a global venture capital firm that has spent over two decades backing innovative companies as an early and first investor.
Bessemer Venture Partners is a global venture capital firm that partners with entrepreneurs across enterprise, consumer, and healthcare sectors from early stages through growth.
Balderton Capital is a European venture capital firm that backs technology startups.
Unusual Ventures is a venture capital firm that backs enterprise and infrastructure founders from initial insight through market leadership, providing a proprietary playbook for finding product-market fit.
AllegisCyber Capital is a venture capital firm focused exclusively on cybersecurity investments, emphasizing deep domain expertise and operating experience.
360 Capital is a European venture capital firm active since 1997, investing in innovative technology startups across deep-tech, climate-tech and digital sectors.
Adara Ventures is an early-stage technology investor with roughly two decades of experience backing companies built on proprietary data, trust, domain depth and physical systems.
Swanlaab Venture Factory is a Spanish venture capital firm that invests in and actively supports founders building high-growth companies, providing capital, strategic expertise and hands-on company-building support.
▶7 more co-investors
Portugal VenturesIntel CapitalNextGen Venture PartnerseCAPITAL ENTREPRENEURIAL PARTNERSSands Capital VenturesSunvest Capital PartnersArctic Wolf
Firms observed investing alongside 33N, from public investor directories. Shared companies are the overlap with 33N's recorded portfolio.
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