150+ Best UK Cyber Security Startups & Companies | Best Cyber Security Companies Award 2021

Cyber Security is big business in the UK. We have selected the top 150 Cyber Security companies across the size spectrum to showcase. These startups and companies are all taking different approaches to innovating the Cyber Security industry, that diversity of innovation is what makes the UK so great. 

We selected these startups and companies for exceptional performance in one of these categories:

Innovation

Growth

Management

Societal impact

The best Cyber Security startups and firms in the UK

We have profiled the top 150 Cyber Security startups, companies and firms in the UK. This list is in no particular order, all of the companies showcased here are exceptional companies, well worth following. 

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BT

BT provides communications services to consumer and business sectors worldwide.

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Tessian

Tessian creates a Human Layer Security that helps people work without security disruptions getting in the way.

Website | Linkedin | Twitter | Facebook

Seedata.io

Seedata.io is a cybersecurity platform that helps companies mitigate data leak incidents and crime threats.

Website | Linkedin | Twitter | Facebook

Privitar

Privitar offers a data privacy platform that protect their customers’ sensitive personal data and to deliver comprehensive data privacy.

Website | Linkedin | Twitter | Facebook

Callsign

Delivering digital trust through simple secure customer interactions

Website | Linkedin | Twitter | Facebook

Superscript

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

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Ravelin

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

Website | Linkedin | Twitter | Facebook

Claranet

Claranet is an expert in modernising and running critical applications and infrastructure.

Website | Linkedin | Twitter | Facebook

42Crunch

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

Website | Linkedin | Twitter | Facebook

Sumsub

Sumsub is an AI-based solution that automates identity verification and anti-fraud.

Website | Linkedin | Twitter | Facebook

Panaseer

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

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Veridium

Veridium is a leading provider of strong digital authentication platform

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Keyless

Pioneering privacy-preserving cloud-native biometric authentication to enable businesses adopt zero-trust passwordless authentication.

Website | Linkedin | Twitter | Facebook

SenseOn

SenseOn's self-driving cyber defence platform automates the process of threat detection, investigation and response.

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CyberSmart

An automated end-to-end cyber security compliance platform that helps SMB's.

Website | Linkedin | Twitter | Facebook

Red Sift

Red Sift exists to democratise the technology essential for cybersecurity.

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CybSafe

CybSafe is a behavioural security platform. It transforms the way you manage people-related cyber risk.

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Garrison Technology

Garrison Technology is a cybersecurity firm that offers a secure remote browsing technology.

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Crypto Quantique

Crypto Quantique offers hardware based cyber-security solution for authentication and encryption in a wired local network.

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SafeToNet

SafeToNet makes the digital world safer for children to explore and enjoy.

Website | Linkedin | Twitter | Facebook

Risk Ledger

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

Website | Linkedin | Twitter | Facebook

Moonshot

Moonshot is a data analytics company, which designs new technology to identify and mitigate online harms.

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Post-Quantum

Post-Quantum is a world-leader in quantum-safe encryption, blockchain and digital identity

Website | Linkedin | Twitter | Facebook

CyberOwl

CyberOwl offers an early warning system for cyber attacks through real-time monitoring of high value targets for malicious behavior.

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Simudyne

Simudyne helps financial organisations to understand their world and make the best possible decisions.

Website | Linkedin | Twitter | Facebook

Intruder

Intruder is a cloud-based vulnerability scanner that finds cyber security weaknesses in your external infrastructure.

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Digital Catapult

Digital Catapult drives early adoption of advanced digital technologies to grow the country’s economy.

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TiG Data Intelligence

TIG is a provider of cloud services, unified communications, and infrastructure solutions.

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RankedRight

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

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BitNinja.io

Providing server security services worldwide

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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.

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Gospel Technology

Gospel Technology is an enterprise data security platform, providing inter-enterprise data for secure & ethical business collaboration.

Website | Linkedin | Twitter | Facebook

Corax

Cyber risk intelligence platform providing data and modelling on the cyber exposure of millions of companies worldwide.

Website | Linkedin | Twitter | Facebook

Phystech Ventures

Phystech Ventures is an early-stage deeptech VC firm with focus on next-gen computing, life sciences, energy, mobility, and space.

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AppSec Phoenix

SaaS vulnerability and risk aggregator with prioritization and contextualization features focused on application security

Website | Linkedin | Twitter | Facebook

Encode

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

Website | Linkedin | Twitter | Facebook

Heliocor

Heliocor is a regulatory technology company.We are building a global anti fraud ecosystem based on our Robolitics and Dokstor SaaS products.

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OutThink

OutThink is the world's first human risk management platform (SaaS)

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ATAR Labs

ATAR Labs builds next generation SOAR platforms. ATAR helps SOCs become more vigilant and effective while helping them achieve more.

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My1Login

My1Login is a next generation Identity and Access Management solutions for Enterprise.

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Chainvine

Next Generation Enterprise Systems / Identity Access Management (IAM) / Technology Providers Blockchain

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SIRP

Risk-Based Security Orchestration, Automation & Response (SOAR) Platform

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Shard X

Shard X develops technology for crypto custodians, in order to boost the security of its services.

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swIDch

swIDch is an information technology company that offers secure authentication through dynamic codes.

Website | Linkedin | Twitter | Facebook

iProov

iProov is a London-based startup that focuses on user-friendly strong identity authentication.

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KYND

KYND is a cyber risk start up.

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Guardara

Guardara focuses on fuzz testing, a software testing technique for discovering coding errors and security loopholes.

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NTT

NTT is an IT firm that specializes in telecommunication, cybersecurity, cloud, ICT, research & development services..

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Armour Communications

Armour Communications provides government-grade encryption for secure communications.

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Cursor Insight

Cursor Insight is a software development company with many years of experience in human movement analysis.

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Cado Security

Cado Security is a cloud-native digital forensics platform for enterprises to investigate and respond to cyber incidents at cloud speed.

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MindLink Software

MindLink provides business critical collaboration enabled through Enterprise Chat.

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Oxford BioChronometrics

Armed w/Ox Bio Human Recognition Technology (HRT) advertisers reach their targets of real people with real purchasing power for real growth.

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TrustElevate

Trust Elevate solves the problem of age verification and parental consent for young adults and children in online transactions.

Website | Linkedin | Twitter | Facebook

Meterian

Meterian is the simple and straightforward way to assess how secure are your software components.

Website | Linkedin | Twitter | Facebook

Q-Branch Labs

Cybersecurity protection for remote and work from home employees

Website | Linkedin | Twitter | Facebook

Torsion Information Security

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

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drie Secure Systems

Drie allows teams to rapidly develop and deploy applications to the cloud without compromising on security.

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Barclays Ventures

Venture capital unit aiming to accelerate the growth of new business lines, and customer propositions around areas of disruptive technology

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G-Research

G-Research is a research and technology company that specializes in Quantitative Research and IT Infrastructure.

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Nettoken

The control panel for your digital identity!

Website | Linkedin | Twitter | Facebook

AperiMail

The most secure and private decentralised messaging solution combining Email + Instant Messaging

Website | Linkedin | Twitter | Facebook

iHackLabs

iHackLabs is an international cybersecurity firm that specialized in training cyber security and ethical hacking.

Website | Linkedin | Twitter | Facebook

Acunetix

Aquinetix offers an automated tool that enables companies to scan their web apps to identify and resolve exploitable vulnerabilities.

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Kryotech Ltd.

Web and App Development

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Sphere Secure Workspace

Sphere Secure Workspace makes it easy for employees to securely use their personal devices at work.

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Ukkobox

Multi cloud protected storage layer service for high sensitive data.

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AppsPicket

Frictionless secure two factor authentication based on innovative cryptographic protocol.

Website | Linkedin | Twitter | Facebook

ThreatSpike Labs

ThreatSpike Labs provides a managed security service using a unique, in-house developed technology platform.

Website | Linkedin | Twitter | Facebook

S-RM

S-RM is a cybersecurity, risk and intelligence consultancy company.

Website | Linkedin | Twitter | Facebook

CYKEEP Ltd.

CYKEEP Is Cyber Security Startup

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Wipro Digital

Wipro Digital, the digital business unit of Wipro

Website | Linkedin | Twitter | Facebook

ilex international

Ilex International is a European software vendor which specialises in Identity & Access Management solutions (IAM).

Website | Linkedin | Twitter | Facebook

Redscan

Redscan is a provider of Managed Detection and Response, CREST Penetration Testing and Red Teaming services.

Website | Linkedin | Twitter | Facebook

Silobreaker

Silobreaker builds intelligence technology that makes sense of unstructured data on the web.

Website | Linkedin | Twitter | Facebook

Grove

Grove is unlock business success through the power of leading-edge cloud computing, custom software development, cybersecurity & analytics.

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Bewica

Bewica makes cybersecurity beautifully simple for small organisations with our award-winning SaaS platform

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Ohalo

Ohalo helps automate data governance for modern organizations

Website | Linkedin | Twitter | Facebook

Cossack Labs

Cossack Labs provides reliable data security and cryptographic solutions for large enterprises, startups, and tech-savvy SMEs.

Website | Linkedin | Twitter | Facebook

Seers

Seers is the leading privacy and consent management platform. Already saved 50k+ companies globally from data privacy and protection fines.

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DynaRisk

DynaRisk is a cyber security company

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Lineal

Lineal leverages AI and process-driven workflows to solve data needs for law firms and corporations.

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Patchstack

Patchstack is a website security and monitoring platform.

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10Duke

Identity management and software licensing solutions that help you connect to your online customers and drive engagement and revenue.

Website | Linkedin | Twitter | Facebook

onDMARC

OnDMARC is an email security product that helps individuals and organisations of all sizes secure their email domains.

Website | Linkedin | Twitter | Facebook

Five Rivers Solutions

Five Rivers is a Multinational Conglomerate Company Headquartered in London, UK.

Website | Linkedin | Twitter | Facebook

CyNation

CyNation is a provider of Integrated Risk Management solutions, giving real-time visibility of risk exposure from your 3rd party ecosystem.

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Datrix

Datrix Ltd is a Smart Infrastructure and Cyber Security solutions provider company.

Website | Linkedin | Twitter | Facebook

PropCoin

A truly asset-backed cryptocurrency business

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Acuity Risk Management

Creators of award-winning cyber, operational and IT risk management software

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Cynomi

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

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Privasee

Data privacy and compliance platform

Website | Linkedin | Twitter | Facebook

iStorage

iStorage is the trusted global leader of PIN authenticated, hardware encrypted data storage devices.

Website | Linkedin | Twitter | Facebook

UM Labs

UM-Labs R&D provides Real-Time Communications Cyber Security UOS (Unicus) - protects all Data in Transit and Motion, running on any cloud.

Website | Linkedin | Twitter | Facebook

ARX Alliance Ltd.

UK based cyber-security platform

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ScanSafe

ScanSafe is a web filtering and scanning cloud service that enables users to create, enforce and monitor web usage policies.

Website | Linkedin | Twitter | Facebook

Byzia Corporation

Byzia Corporation is upcoming company based in UK and successor of Byzia Technology LTD

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Novum Insights

Big data, software, market mapping, AI, cybersecurity, reports, IOT, fintech, blockchain, venture capital

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DataGuidance

DataGuidance is an in-depth and up-to-date privacy and security regulatory research platform.

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National Cyber Security Centre

National Cyber Security Centre is the operational side of the Department in regard to network and information security.

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Think Cyber Security

Think Cyber Security Ltd, a UK company developing products that reinvent the delivery of end-user security education and awareness training.

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DeepView

A privacy-focused platform to monitor and archive business communications

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C2 Cyber

supply chain security assurance

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Ceerus

Security to communicate freely

Website | Linkedin | Twitter | Facebook

Keepabl Ltd

Keepabl's Privacy-as-a-Service solution solves GDPR headaches for organisations, public and private.

Website | Linkedin | Twitter | Facebook

C6 Intelligence

Pinpointing Risk - Know Your Customer, KYC, Anti-Money Laundering, AML, Enhanced Due Dilligence, EDD, Sanctions Screening

Website | Linkedin | Twitter | Facebook

Chrometec Capital

Venture Capital & Private Equity

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CloudGuard AI

Real-time threat intelligence, compliance and proactive remediation powered by an AI infused cloud native platform.

Website | Linkedin | Twitter | Facebook

Tiberium

Tiberium is an extreme SOC experience, with a cloud-native analytics and automation focused service to deliver real security outcomes

Website | Linkedin | Twitter | Facebook

Verimuchme

Verimuchme is a digital wallet and exchange platform of verified personal information and documentation.

Website | Linkedin | Twitter | Facebook

Anzen Technology Systems

Anzen Technology Systems means your data is safer in the Cloud than on premise.

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Charles Square

IT Management Consultancy, Private Cloud, Fully Managed Support, Security Consultancy, IT Compliance and Hardware and Software Distribution.

Website | Linkedin | Twitter | Facebook

Searchspace

Searchspace is an anti-money laundering system that helps companies detect financial crime and comply with regulatory standards.

Website | Linkedin | Twitter | Facebook

Rose Hill Acquisition Company LTD

Aquires and operates Cyber security and ad measurement and fraud detection companies

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Cyberseer

Cyberseer offers a 24×7 Managed Security Service (MSS) that fuses both machine learning and behavioral analytics.

Website | Linkedin | Twitter | Facebook

Bluedog Security Monitoring

Bluedog Security Monitoring provided a full cybersecurity solution for small and medium-sized enterprises.

Website | Linkedin | Twitter | Facebook

TechForing Ltd.

TechForing provides solutions for technical, engineering, and information technology markets.

Website | Linkedin | Twitter | Facebook

ISTARI

ISTARI helps create a digitally resilient future for the businesses it works with.

Website | Linkedin | Twitter | Facebook

Babel Systems

Babel Systems is a state of the art, securities processing platform for online trading providers.

Website | Linkedin | Twitter | Facebook

DataSpartan

The leading Artificial Intelligence and Data Science experts - Delivering the Impossible

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Mvine

Mvine develops cyber-secure platforms, identity management tools, integrated websites and mobile apps for businesses.

Website | Linkedin | Twitter | Facebook

Empiric

Empiric is a dynamic technology and transformation recruitment agency that specializes in data, digital, cloud and security services.

Website | Linkedin | Twitter | Facebook

Marclay

Marclay is a UK-based cybersecurity consultancy that provides world-class incident response and cyber investigation services.

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IDcheck

Biometric Screening & KYC: SaaS

Website | Linkedin | Twitter | Facebook

Big Brother Watch

Big Brother Watch campaigns on behalf of the individual, to educate and encourage more control over personal data.

Website | Linkedin | Twitter | Facebook

TurgenSec

R&D Focused Information Security.

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Gigzi

independent wealth management

Website | Linkedin | Twitter | Facebook

Apomatix

Apomatix is an active audit management software that audits risks and conduct gap analysis.

Website | Linkedin | Twitter | Facebook

Intelliagg

Intelliagg is a threat intelligence platform that monitors data loss, reputational damage, and targeted physical and cyber crime .

Website | Linkedin | Twitter | Facebook

Dr Logic

We provide Mac IT Services to ambitious businesses in London. We're founding members of the Apple Consultants Network.

Website | Linkedin | Twitter | Facebook

CLOUDINA

CLOUDINA is a digital transformation services company, expertise in Cloud & Cyber Security, Platform Engineering

Website | Linkedin | Twitter | Facebook

Codified Security

Codified is a testing platform for mobile application software.

Website | Linkedin | Twitter | Facebook

CyberPal App Limited

Cyber Security Marketplace

Website | Linkedin | Twitter | Facebook

Knightsbridge Guarding

Knightsbridge Guarding is an authority in security for London centric organisations - safeguarding people, buildings, assets and data.

Website | Linkedin | Twitter | Facebook

Appsecco

Appsecco is an application security company providing solutions to cyber security problems.

Website | Linkedin | Twitter | Facebook

Neuron

Neuron is a London-based technology company utilising distributed ledger technology to connect the next generation

Website | Linkedin | Twitter | Facebook

MyCena Security Solutions

MyCena Security Solutions offers decentralized enterprise security solutions.

Website | Linkedin | Twitter | Facebook

ADACOM

IT Security & Enterprise Software

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SMi Group

A highly Professional, Independent and Global event producing company

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Nebulas Solutions Group

Nebulas Solutions Group is a British cybersecurity services firm.

Website | Linkedin | Twitter | Facebook

Noble

Noble develops innovative network cyber security applications using advanced AI-based technology.

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Caretower

Caretower is a specialist cybersecurity integrator and managed service provider with over 20 years of experience.

Website | Linkedin | Twitter | Facebook

Tranchulas

Tranchulas is a multinational information security company. Tranchulas helps its clients in discovering and identifying vulnerabilities in

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Ridgewall

Ridgewall provides business critical services in IT, communication and cyber security.

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Secrutiny

Secrutiny is an IT firm that specializes in IT security, cyber security, cyber risk audits, cyber control assessments, and strategy.

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Solus

Solus is a multi factor authentication for protecting digital assets & delivering a better customer experience.

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Pandastream

Pandastream is an open source video encoding solution.

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VerifiedVisitors

AI based Bot management across Multi-Cloud

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Fusion Global Capital

Fusion Global Capital is a growth-equity firm investing in b2b technology.

Website | Linkedin | Twitter | Facebook

Top10VPN

Top10VPN.com is a leading VPN (Virtual Private Network) review website. We provide unbiased reviews and advice about VPN services.

Website | Linkedin | Twitter | Facebook

We want to help you grow your

Cyber Security

company. SEO made simple with.

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