Cybersecurity & regtech startups in London

Security, compliance and regulatory technology: the risk and identity layer a financial capital runs on, plus govtech and public-interest software.

9 companies building in Cybersecurity & regtech here.

London social-impact tech company that started by crowdfunding training and support for homeless people and has grown into a caseworker platform (MAGIC) helping councils and charities move people into homes ...

Charles Delingpole

Founded 2014; RegTech SaaS using AI/AML technology to screen millions of data points daily for financial-crime risk, serving 500+ enterprises. CEO is Vatsa Narasimha (Indian-origin, ex-OANDA). A pillar of Lo...

FullCircl Regtech

Andrew Yates & Justin Fitzpatrick

Formed 2021 from the merger of Artesian Solutions and DueDil (rebranded FullCircl in 2022); a 'customer lifecycle intelligence' platform for regulated firms covering onboarding, verification, KYB and ongoing...

Garrison Technology Cybersecurity

Henry Harrison, David Garfield

Founded 2014; hardware-based remote browser isolation ('hardsec') that lets users access the web while eradicating malware, ransomware and phishing at the silicon level. Raised £39M+ including a £22.9M 2018 ...

Onfido Cybersecurity

Husayn Kassai, Eamon Jubbawy, Ruhul Amin

Founded 2012 by University of Oxford students; HQ'd in London. AI identity-verification / KYC platform matching a user's photo ID to their face. Acquired by Entrust for ~$650M in April 2024 — one of the larg...

Quantexa Data

Vishal Marria

Founded 2016 by London-born, Indian-descent Vishal Marria. Decision-intelligence platform using contextual data + AI/entity resolution to fight financial crime, AML and fraud for banks and government. Raised...

Ravelin Cybersecurity

Martin Sweeney, Nick Lally, Leonard Austin, Mairtin O'Riada

Founded 2014; AI-native fraud-detection and payments platform for e-commerce and marketplaces, using machine learning and graph networks to block payment fraud. Raised a $20M Series C (2020); acquired by Wor...

Snyk Cybersecurity

Guy Podjarny, Assaf Hefetz, Danny Grander

Founded 2015 out of London and Tel Aviv; developer-first security platform that finds and fixes vulnerabilities in open-source code, containers and IaC. ~$1.32B raised, ~$7.4B valuation, frequently cited as ...

Tessian Cybersecurity

Tim Sadler, Ed Bishop, Tom Adams

Founded 2013; AI-powered email-security platform using behavioural/content analysis to stop advanced phishing and prevent accidental data loss on email. Raised a $65M Series C (2021, ~$500M valuation) before...

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