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

Security is big business in the UK. We have selected the top 150 Security companies across the size spectrum to showcase. These startups and companies are all taking different approaches to innovating the 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 Security startups and firms in the UK

We have profiled the top 150 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

Mimecast

Mimecast is a SaaS-based email management platform enabling companies to administer business communications and data.

Website | Linkedin | Twitter | Facebook

Superscript

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

Website | Linkedin | Twitter | Facebook

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

Wandera

Wandera provides a unified cloud security solution to protect the modern workplace

Website | Linkedin | Twitter | Facebook

Egress Software

Egress is a software company that specializes in human layer security designed to prevent accidental and intentional data breaches.

Website | Linkedin | Twitter | Facebook

HeleCloud

HeleCloud provides strategic technology consultancy, engineering and managed cloud services on the AWS Platform

Website | Linkedin | Twitter | Facebook

Panaseer

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

Website | Linkedin | Twitter | Facebook

Veridium

Veridium is a leading provider of strong digital authentication platform

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G4S

G4S is an international security solutions group, focused on BPO sectors where security and safety risks are considered a strategic threat.

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Keyless

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

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SenseOn

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

Website | Linkedin | Twitter | Facebook

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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HighQ

HighQ empowers leading law firms and corporate legal teams to transform the way they work and deliver legal services.

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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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Syntonym

Syntonym Anonymize visual data in a GDPR-compliant way to protect people’s privacy.

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SafeToNet

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

Website | Linkedin | Twitter | Facebook

tru.ID

tru.ID is reinventing mobile authentication for today's world through a modern developer platform.

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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.

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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

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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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Shepper

Shepper collects data on physical assets for businesses using the power of technology and people

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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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Pimloc

Pimloc's deep learning platform allows organisations to automatically ingest, detect, classify and protect diverse image and video content.

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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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PixelPin

PixelPin builds a secure authentication system using pictures instead of passwords.

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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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Drone Defence

Supporting a sustainable future where drones change the way we view, interact with, and move around our world.

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Qwil Messenger

Safe and compliant client chat for business

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swIDch

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

Website | Linkedin | Twitter | Facebook

SeeQuestor Ltd

SeeQuestor is designed to increase the speed at which police and security teams analyse video as part of investigations.

Website | Linkedin | Twitter | Facebook

iProov

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

Website | Linkedin | Twitter | Facebook

Cloudreach

Cloudreach is a Global cloud enabler with extensive experience across all industries, workloads and use cases.

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AssetVault

AssetVault allows customers to catalogue all their physical and digital assets in one secure register.

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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.

Website | Linkedin | Twitter | Facebook

Cursor Insight

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

Website | Linkedin | Twitter | Facebook

Cado Security

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

Website | Linkedin | Twitter | Facebook

MindLink Software

MindLink provides business critical collaboration enabled through Enterprise Chat.

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Angee Technologies Ltd.

Home IoT Platform to protect your home and privacy

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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.

Website | Linkedin | Twitter | Facebook

TrustElevate

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

Website | Linkedin | Twitter | Facebook

FOG FAN

Biosecurity for individuals, households & businesses - unique, proven patented, safe and effective against pathogens (including SARS-CoV-2)

Website | Linkedin | Twitter | Facebook

Trust Payments

Trust Payments is a global unified payments group for global pay-in, pay-out and customer journey technologies.

Website | Linkedin | Twitter | Facebook

Meterian

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

Website | Linkedin | Twitter | Facebook

Iceni labs

Mission Critical Science. We develop new technologies and work with our partners to commercialise innovations and inventions.

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Drone Guarder

Drone Guarder operates as a security and surveillance company.

Website | Linkedin | Twitter | Facebook

Q-Branch Labs

Cybersecurity protection for remote and work from home employees

Website | Linkedin | Twitter | Facebook

TeskaLabs

TeskaLabs is a mobile application security provider.

Website | Linkedin | Twitter | Facebook

OWLR Technologies

User-friendly software which makes complex home security cameras easy-to-use, more intelligent and safer for all.

Website | Linkedin | Twitter | Facebook

Acqua Telecom

MVNO in starting in the UK and rapidly expanding to Brazil, Spain, Italy and Germany.

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.

Website | Linkedin | Twitter | Facebook

drie Secure Systems

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

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Messagenius

Messagenius provides the secure enterprise messaging for smart, secure, and integrated internal communication among colleagues.

Website | Linkedin | Twitter | Facebook

Barclays Ventures

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

Website | Linkedin | Twitter | Facebook

G-Research

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

Website | Linkedin | Twitter | Facebook

iDeals

iDeals is a global provider of secure business collaboration software.

Website | Linkedin | Twitter | Facebook

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.

Website | Linkedin | Twitter | Facebook

Kryotech Ltd.

Web and App Development

Website | Linkedin | Twitter | Facebook

Sphere Secure Workspace

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

Website | Linkedin | Twitter | Facebook

eVigilo

eVigilo is a security company that develops and distributes national mass notification systems.

Website | Linkedin | Twitter | Facebook

Convo App

A sport social network where all fans can convo with one another!

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SmartStream Technologies

SmartStream is a global software and managed services provider.

Website | Linkedin | Twitter | Facebook

Keybox

Keybox is an SDK for information secure data storage and sharing, built with Activeledger DLT.

Website | Linkedin | Twitter | Facebook

Ukkobox

Multi cloud protected storage layer service for high sensitive data.

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MyFutureNow

MyFutureNow is a company offering online tools to manage pension.

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6point6

6point6 drive the right change in an organisation through the positive impact of technology.

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AppsPicket

Frictionless secure two factor authentication based on innovative cryptographic protocol.

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Myel

Myel is a community-powered content delivery network company.

Website | Linkedin | Twitter | Facebook

Cycell

Cycell is an early-stage specialist mobile network operator based in the United Kingdom.

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Immersive Rehab

IR creates interactive physiotherapy programmes in Virtual Reality that improve the effectiveness of physical & neuro-rehabilitation.

Website | Linkedin | Twitter | Facebook

Friday Labs

Friday Labs brings simplicity to home automation. Our products combine beautiful design and great functionality.

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Brightbook

Brightbook offers bookkeeping solutions for small business owners, freelancers, and contractors.

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

iSocket Systems

А home automation company that aims to supply prompt and reliable alerts about smart home problems regardless of Wi-Fi connection at home

Website | Linkedin | Twitter | Facebook

SaaSAssurance

SaaSAssurance makes cloud standards simple for humans and cost effective for businesses.

Website | Linkedin | Twitter | Facebook

S-RM

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

Website | Linkedin | Twitter | Facebook

Teneno

Teneno is a leading provider of simple, secure and affordable networking-on-demand solutions for Small and Medium Sized Businesses.

Website | Linkedin | Twitter | Facebook

Everlink

Create the smoothest customer interactions imaginable with ultrasonic presence verification and easy-to-integrate APIs.

Website | Linkedin | Twitter | Facebook

CYKEEP Ltd.

CYKEEP Is Cyber Security Startup

Website | Linkedin | Twitter | Facebook

Nuggets

Nuggets is an e-commerce payments and ID platform that stores personal and payment data securely in the blockchain.

Website | Linkedin | Twitter | Facebook

Eddy Labs

Eddy is a revolutionary tool for understanding your home.

Website | Linkedin | Twitter | Facebook

Wipro Digital

Wipro Digital, the digital business unit of Wipro

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ilex international

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

Website | Linkedin | Twitter | Facebook

TowerXchange

TowerXchange is a media platform that offers market telecommunications, telecom infrastructure, networking and market research services.

Website | Linkedin | Twitter | Facebook

DYRNAN

DYRNAN are providers of trusted and secure communication to enterprise

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

Verity.io

Certified digital documents stored on the blockchain.

Website | Linkedin | Twitter | Facebook

Silobreaker

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

Website | Linkedin | Twitter | Facebook

AKTEK

SaaS no-code enterprise data management solution provider

Website | Linkedin | Twitter | Facebook

Babcock International

Babcock International is a work-based learning provider that provides training programmes to learners nationwide.

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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Zoral

Zoral develops software that adapts to customer behavior by implementing intelligence into digital products.

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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

Clario Tech Ltd

Clario is a London-based cybersecurity company.

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.

Website | Linkedin | Twitter | Facebook

Digital Barriers

Digital Barriers provides edge-intelligent solutions for the global surveillance and security markets.

Website | Linkedin | Twitter | Facebook

MIRACL

Miracl enables security solution and managed service providers to meet strong authentication needs of businesses in regulated industries.

Website | Linkedin | Twitter | Facebook

BullGuard

BullGuard will protect you, your family, your computers and mobile devices from all online threats.

Website | Linkedin | Twitter | Facebook

DynaRisk

DynaRisk is a cyber security company

Website | Linkedin | Twitter | Facebook

Lineal

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

Website | Linkedin | Twitter | Facebook

Forensic Risk Alliance

Forensic Risk Alliance is an international consultancy specializing in forensic accounting data analytics, and eDiscovery.

Website | Linkedin | Twitter | Facebook

Patchstack

Patchstack is a website security and monitoring platform.

Website | Linkedin | Twitter | Facebook

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

ITC Secure

ITC Secure Networking provides organisations with assured IT. We design and integrate secure cloud based and on premise IT Network.

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Five Rivers Solutions

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

Website | Linkedin | Twitter | Facebook

Geekflare

Geekflare produce high-quality technology articles, makes tools to help business and people grow.

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Hyperglance

Hyperglance enables teams to deliver & manage cloud environments by taking control of cloud documentation, cost, security & compliance.

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Doordeck

Doordeck replaces traditional proximity cards with your smartphone.

Website | Linkedin | Twitter | Facebook

ipushpull

Live data sharing and workflow automation platform providing real-time interoperability of data across any application

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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Turnkey Consulting

Turnkey Consulting is a world leader in Security, Controls and Governance, Risk and Compliance (GRC) consulting for SAP software.

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Actix

Actix delivers automated network performance engineering and network status management systems for wireless carriers.

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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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We want to help you grow your

Security

company. SEO made simple with.

No upfront fees and rolling 1 month contracts. ROI driven SEO.

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