50 Best UK Cybersecurity Startups to Watch in 2023 | Seedtable

50 Cybersecurity Startups in UK to Watch in 2023

UK's Cybersecurity sector is booming. This year’s list of the best 50 UK Cybersecurity startups is an eclectic mix of hyper-growth scaleups, small creative startups and everything in between.

The last update was made on March 09, 2023.

Curated by @gonsanchezs

UK 10+ employees Fast-growing


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Panaseer

Panaseer helps businesses make informed, risk-based security decisions.

London   51 to 100   $42 Million  

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Ravelin

Ravelin is a smart fraud detection and prevention platform that helps companies stop online payment fraud.

London   51 to 100   $37 Million  

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Superscript

Superscript provides business insurance designed specifically to meet the fast-changing needs of small businesses.

London   51 to 100   $24 Million  

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SenseOn

SenseOn provides accurate and context-rich alerts.

London   51 to 100   $26 Million  

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Devo

Devo is a cybersecurity company that provides cloud-native logging and security analytics for organizations.

Cambridge   251 to 500   $480 Million  

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Envelop Risk

Envelop Risk is a global specialty cyber and emerging risk underwriting firm.

Bristol   11 to 50   $140 Million  

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SOC.OS

SOC.OS is a SaaS-based security alert investigation and triage tool, fundamentally reimagining how security operations are conducted today.

London   11 to 50   $2.5 Million  

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OutThink

Cybersecurity human risk management platform (SaaS)

London   11 to 50   $14 Million  

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iProov

iProov develops face authentication technology for online identity verification by global banks and governments.

London   101 to 250   $70 Million  

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Glasswall

Glasswall is a technology company that protects organizations from file-based threats.

London   51 to 100   $71 Million  

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Glasswall

Glasswall is a technology company that protects organizations from file-based threats.

London   51 to 100   $71 Million  

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Red Sift

The Only Integrated Email Security and Brand Protection Platform

London   51 to 100   $65 Million  

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Qredo

Qredo is a platform that provides secure and fast movement of digital assets.

London   11 to 50   $190 Million  

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Risk Ledger

Risk Ledger is the world's most innovative vendor risk management platform, built on the model of a secure social network.

London   11 to 50   $4.7 Million  

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PQShield

At PQShield, we help customers transition their product lines from legacy RSA and Elliptic Curve cryptography to quantum-safe standards.

Oxford   11 to 50   $27 Million  

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CybSafe

A behavioural security and data analytics platform helps people make better security decisions, and improve their security behaviour.

London   11 to 50   $40 Million  

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42Crunch

42Crunch is an API Security platform, addressing the development, testing, and deployment security requirements of API infrastructure.

London   11 to 50   $21 Million  

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Cyscale

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

London   11 to 50   $3.8 Million  

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Cyscale

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

London   11 to 50   $3.8 Million  

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Encode

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

London   51 to 100   $9.1 Million  

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Kynd

KYND is a cyber risk start up.

London   11 to 50   $6.1 Million  

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RazorSecure

RazorSecure is a cyber security software that provides continuous threat monitoring & active defence strategy for trains, buses, cars & etc.

London   1 to 10   $7.9 Million  

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Push Security

Push Security is a developer of a security automation platform.

London   11 to 50   $4 Million  

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Push Security

Push Security is a developer of a security automation platform.

London   11 to 50   $4 Million  

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DynaRisk

DynaRisk is a cyber security company

London   11 to 50   $4 Million  

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Vaultree

Encryption-as-a-Service

Cork   11 to 50   $3.3 Million  

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eXate

eXate unlocks the value of production data by allowing you to share it safely, because data privacy is at the heart of everything we do.

London   11 to 50   $3.1 Million  

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Cynomi

Cynomi addresses a critical gap in mid-market cyber protection - creating and executing a cyber and compliance strategy .

London   1 to 10   $3.5 Million  

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Torsion Information Security

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

London   1 to 10   $2.1 Million  

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Ripjar

Ripjar is a data intelligence company that transforms global institutions ability to manage strategic risks.

Cheltenham   51 to 100   $41 Million  

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Melius Cyber

Melius Cyber continuously monitors an organization's IT network, testing security and protecting it from the latest threats.

London     $420 Thousand  

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Patchstack

Patchstack is a website security and monitoring platform.

London   1 to 10   $0  

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Zobi

Zobi develop products to provide whole-home protection against the malicious digital activity.

London   1 to 10   $1.7 Million  

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RankedRight

RankedRight is a vulnerability triage platform that prioritises security based on customer defined rules.

London   1 to 10   $500 Thousand  

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StackZone

StackZone is a secure, cost-efficient, and self-service cloud management platform for multi-account environments

London   11 to 50   $1.9 Million  

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Censornet

CensorNet Unified Security Service (USS) is a new-generation comprehensive cloud-based cyber security solution.

London   51 to 100   $3.4 Million  

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Bamboo Systems

Bamboo Systems is a Cambridge, UK-based provider of an ARM server architecture designed to power sustainable data centers.

Cambridge   101 to 250   $12 Million  

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E2e-assure

e2e-assure is a cyber security company with 20 years’ experience of providing military grade cyber security.

Oxford   11 to 50   $15 Million  

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Privasee

Privasee automatically generates and updates your GDPR documents and cookie banner if anything changes in your business or the law.

London   1 to 10   $0  

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Privasee

Privasee automatically generates and updates your GDPR documents and cookie banner if anything changes in your business or the law.

London   1 to 10   $0  

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Nu Quantum

Nu Quantum is a telecommunications company that develops end-to-end quantum cryptography systems.

Cambridge   1 to 10   $5.5 Million  

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Getvisibility

Getvisibility operates as an AI Security Company that provides data governance software.

Cork   11 to 50   $15 Million  

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CultureAI

CultureAI enables clients to orchestrate personalised security awareness, behaviour and culture programmes.

Manchester   11 to 50   $4 Million  

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Angoka

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

Belfast   11 to 50   $0  

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Device Authority

Device Authority is a global leader in Identity and Access Management (IAM) for the Internet of Things (IoT) and Blockchain.

Reading   11 to 50   $2.9 Million  

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UltraSoC Technologies

UltraSoC Technologies provides SoC infrastructure to enable rapid development of embedded systems.

Cambridge   51 to 100   $21 Million  

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Imagen

Imagen Ltd is a modular enterprise video platform that enables content owners to publish and monetize media archives.

Cambridge   11 to 50   $17 Million  

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VST Enterprises

VST Enterprises has been widely recognize for its development of VCode.

Manchester   11 to 50   $15 Million  

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MetCloud

MetCloud is a cybersecurity and cloud platform that is shaping the future of new digital economy.

Birmingham   11 to 50   $1.1 Million  

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Netrounds

Netrounds is a subscription-based, cloud-delivered tool for troubleshooting and testing IP networks.

Leeds   11 to 50   $1 Million  

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Get the full list of 9,200+ European tech companies

Download a carefully-curated .csv of over 9,200+ fast-growing European tech companies you can research, apply to and do business with.

  • Company
  • Industry
  • Location
  • Money Raised
  • URL
  • Linkedin URL
  • Company Size
  • ... and more
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  • Industry
  • Events
  • Food
  • Fintech
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  • Location
  • London
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  • Berlin
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  • Raise
  • $125M
  • $169M
  • $100M
  • $59M
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  • $15M
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"

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Berlin Startups

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Paris Startups

Under President Macron's new regime, the Paris start-up scene is flying higher than ever before.