69 Best Cybersecurity Startups in United Kingdom to Watch in 2024

Quantexa is a company that enables institutions to make better decisions using their data.

Total Raised: $370.00M

Last Funding: $64.70M (Series C)

Sysdig is a unified approach to container security, microservices monitoring, and forensics, with Kubernetes, Prometheus, and Falco support.

Total Raised: $729.50M

Last Funding: $350.00M (Series G)

Interos is a Virginia-based company developing a logistics assurance platform designed for supply chain risk management, through a breakthrough AI SaaS platform.

Total Raised: $72.40M

Last Funding: $40.00M (Unknown)

Harmonic Security is a zero-touch data protection platform founded in 2023 by Alastair Paterson.

Total Raised: $17.50M

Last Funding: $17.50M (Series A)

Insurance for small businesses.

Total Raised: $62.95M

Last Funding: $2.55M (Seed)

Cybersecurity solutions provider.

Total Raised: $6.45M

Last Funding: $6.45M (Series A)

Immersive Labs is a company founded in 2017 by James Hadley.

Total Raised: $123.02M

Last Funding: $75.00M (Series C)

Cloud threat detection and deception platform.

Total Raised: $5.00M

Last Funding: $5.00M (Series A)

Vendor risk management platform.

Total Raised: $10.61M

Last Funding: $7.71M (Series A)

Digital cybersecurity forensics.

Total Raised: $4.68M

Last Funding: $4.68M (Series A)

Cloud forensics.

Total Raised: $20.00M

Last Funding: $20.00M (Series B)

Media authenticity platform for companies to secure or anchor genuine content.

Total Raised: $4.50M

Last Funding: $4.50M (Seed)

adCAPTCHA is a dynamic security verification platform founded in 2023 by Matthew Gibney.

Total Raised: $1.30M

Last Funding: $1.30M (Seed)

Telecommunications company developing end-to-end quantum cryptography systems.

Total Raised: $7.00M

Last Funding: $7.00M (Seed)

Quantum-secure cryptographic assistance provider.

Total Raised: $64.25M

Last Funding: $37.00M (Series B)

AI-powered cyber underwriting platform.

Total Raised: $136.00M

Last Funding: $6.00M (Series A)

Platform providing secure and fast movement of digital assets.

Total Raised: $91.00M

Last Funding: $80.00M (Unknown)

Trust & Safety platform for online reviews.

Total Raised: $2.98M

Last Funding: $2.98M (Seed)

Face authentication technology used by banks and governments for online identity verification.

Total Raised: $70.00M

Last Funding: $70.00M (Unknown)

The Only Integrated Email Security and Brand Protection Platform

Total Raised: $62.82M

Last Funding: $54.00M (Series B)

Cyber security management platform.

Total Raised: $1.45M

Last Funding: $1.45M (Seed)

SplxAI is a cybersecurity platform for AI applications founded in 2023 by Kristian Kamber .

Total Raised: $2.00M

Last Funding: $2.00M (Pre Seed)

FAT32 is a compliance automation platform founded in 2024 by David Warren , Connor Greig and Conor Sizeland .

Total Raised: $0.80M

Last Funding: $0.80M (Pre Seed)

AI cybersecurity platform.

Total Raised: $3.77M

Last Funding: $3.77M (Seed)

Tessian (formerly Checkrecipient) is an artificial intelligence email security platform.

Total Raised: $107.00M

Last Funding: $65.00M (Series C)

CybSafe is a cloud-based platform focussed on addressing the human component of cyber security - an intelligent approach to awareness training.

Total Raised: $35.70M

Last Funding: $28.00M (Series B)

vCISO platform provider for MSPs and MSSPs.

Total Raised: $23.50M

Last Funding: $20.00M (Series A)

CultureAI deliver intelligent cyber security awareness education and tools that build resilient security cultures where employees help defend.

Total Raised: $14.00M

Last Funding: $10.00M (Series A)

Cybersecurity platform providing cloud-native logging and security analytics for organizations.

Total Raised: $100.00M

Last Funding: $100.00M (Unknown)

AI-driven platform offering data governance solutions for enhanced security.

Total Raised: $14.32M

Last Funding: $11.00M (Series A)

AI-powered fraud and anti-money laundering (AML) platform.

Total Raised: $18.58M

Last Funding: $18.58M (Series A)

Platform delivering precise and context-informed security alerts.

Total Raised: $26.40M

Last Funding: $20.00M (Series A)

Non-Human Identity (NHI) security platform.

Total Raised: $18.00M

Last Funding: $18.00M (Series A)

API Security platform focusing on development, testing, and deployment protection for API infrastructure.

Total Raised: $17.00M

Last Funding: $17.00M (Series A)

Enterprise monitoring service of digital footprints and for data vulnerabilities.

Total Raised: $10.00M

Last Funding: $10.00M (Series C)

Platform that helps businesses make informed, risk-based security decisions.

Total Raised: $26.50M

Last Funding: $26.50M (Series B)

Data intelligence platform that helps global institutions manage strategic risks.

Total Raised: $36.80M

Last Funding: $36.80M (Series B)

Platform providing smart fraud detection and prevention to stop online payment fraud.

Total Raised: $20.74M

Last Funding: $20.74M (Series C)

Encryption-as-a-Service

Total Raised: $16.10M

Last Funding: $12.80M (Unknown)

Cybersecurity platform.

Total Raised: $1.04M

Last Funding: $0.62M (Seed)

Cyber intelligence platform.

Total Raised: $2.32M

Last Funding: $1.14M (Unknown)

Security automation platform for developers.

Total Raised: $4.00M

Last Funding: $4.00M (Seed)

Cloud-native Security and Compliance - scalable Products and Services for Cloud Cybersecurity, DevSecOps and Cloud Security Management.

Total Raised: $3.57M

Last Funding: $3.15M (Seed)

Cyber security platform offering military-grade protection with 20 years of experience.

Total Raised: $14.39M

Last Funding: $14.39M (Unknown)

Cyber risk assessment startup that helps businesses identify and manage potential digital threats.

Total Raised: $4.42M

Last Funding: $4.42M (Unknown)

OutThink is a web-based platform (SaaS) that has been developed specifically to identify and reduce risky workforce behaviours and build a risk aware culture.

Total Raised: $1.56M

Last Funding: $1.56M (Seed)

Cyber security software offering continuous threat monitoring and active defense for trains, buses, and cars.

Total Raised: $3.40M

Last Funding: $3.40M (Unknown)

Security investment validation platform.

Total Raised: $3.55M

Last Funding: $3.55M (Seed)

Developers of encryption tools for complex communication networks.

Total Raised: $6.33M

Last Funding: $6.33M (Seed)

Human risk management platform.

Total Raised: $3.25M

Last Funding: $3.25M (Seed)

Confident Data Access Control - Get control of who has access to what, why and when. Secure, Compliant, Efficient.

Total Raised: $1.33M

Last Funding: $1.33M (Seed)

Quantum security platform.

Total Raised: $2.79M

Last Funding: $2.79M (Seed)

Enorasys Security Analytics enables continuous cyber situational awareness to address advanced persistent threats (APTs).

Total Raised: $11.44M

Last Funding: $11.44M (Unknown)

Platform that protects organizations from file-based threats.

Total Raised: $23.99M

Last Funding: $23.99M (Unknown)

Cyber security platform that helps individuals and businesses protect against online threats.

Total Raised: $7.00M

Last Funding: $4.00M (Seed)

Provider of ARM server architecture designed to power sustainable data centers based in Cambridge, UK.

Total Raised: $7.00M

Last Funding: $7.00M (Unknown)

Platform for securely sharing production data while prioritizing data privacy.

Total Raised: $3.11M

Last Funding: $3.11M (Seed)

SaaS tool for investigating and prioritizing security alerts.

Total Raised: $2.53M

Last Funding: $2.53M (Seed)

Platform offering complete home protection against digital threats.

Total Raised: $1.77M

Last Funding: $1.77M (Seed)

Advanced IoT cybersecurity solutions developer.

Total Raised: $1.65M

Last Funding: $1.65M (Pre Seed)

Platform dedicated to safeguarding business-critical network assets.

Total Raised: $0.84M

Last Funding: $0.84M (Pre Seed)

Non-IP-controlled cybersecurity solution.

Total Raised: $1.41M

Last Funding: $0.11M (Pre Seed)

Cloud management platform providing secure, cost-efficient, and self-service solutions for multi-account environments.

Total Raised: $1.86M

Last Funding: $1.86M (Seed)

Cybersecurity and cloud platform shaping the future of the new digital economy.

Total Raised: $1.34M

Last Funding: $1.34M (Unknown)

Cyber threat monitoring platform.

Total Raised: $1.26M

Last Funding: $1.26M (Seed)

IoT security company focused on protecting machine-to-machine communications for Smart Cities and Mobility.

Total Raised: $2.77M

Last Funding: $2.77M (Unknown)

Vulnerability triage platform that prioritizes security based on customer-defined rules.

Total Raised: $0.50M

Last Funding: $0.50M (Seed)

End-to-end cybersecurity services and consultancy provider.

Total Raised: $0.11M

Last Funding: $0.11M (Pre Seed)

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