Hornetsecurity is a Hanover company founded in 2007 that secures email and Microsoft 365 environments. Its cloud services filter spam and malware, archive messages and back up cloud workloads for tens of thousands of businesses. The company has grown through acquisitions into one of the larger European security vendors.
Software
Productivity Software
Cybersecurity
Myra Security is a Munich company founded in 2013 that provides web application protection and content delivery from German infrastructure. Its platform is certified for critical infrastructure operators and is used by banks, insurers and public authorities. The company emphasises fully European operation of its security stack.
Information Technology
Security Compliance
Cybersecurity
CI/CD
Docker
Go
Python
React.js
Rust
Symfony
JavaScript
+3 More
Link11 is a Frankfurt company founded in 2005 that protects websites and networks from distributed denial of service attacks. Its cloud filters traffic through European scrubbing centres and blocks attacks automatically within seconds. The company serves e-commerce, finance and public sector customers with strict data residency needs.
Internet Security Services
Network Security
Cybersecurity
G DATA CyberDefense is a Bochum company founded in 1985 that released one of the first antivirus products anywhere. It develops endpoint protection, incident response and security awareness training entirely in Germany with a no backdoor pledge. The company serves consumers, businesses and public bodies across Europe.
Vulnerability Management
Endpoint Security
Cybersecurity
Utimaco is an Aachen company founded in 1983 that manufactures hardware security modules. Its devices protect the cryptographic keys behind payments, digital identities and public key infrastructures worldwide. The company also supplies lawful interception and data retention systems to telecom operators.
Cybersecurity AI
Financial Services
Cybersecurity
secunet is an Essen company founded in 1997 that is the main information security partner of the German federal government. It builds high security gateways, border control systems and encrypted communication for classified environments. The company is listed in Frankfurt and works with defence, health and automotive customers.
Law Enforcement
Cybersecurity
Government
ProGlove is a Munich company founded in 2014 that makes wearable barcode scanners worn on the hand. Its devices free warehouse and assembly workers from holding a scanner and feed process data back to management software. The company sells to logistics, automotive and retail operations worldwide.
Network Security
Hardware
Peripherals
ETAS is a Stuttgart company founded in 1994 within the Bosch group that provides automotive software development tools. Its products cover control unit calibration, middleware and increasingly vehicle cybersecurity through its ESCRYPT unit. The company supports carmakers moving to software defined vehicle platforms.
Cybersecurity
Events & Ticketing
Exhibitions
Elektrobit is an automotive software company headquartered in Erlangen and owned by Continental. Its operating systems, middleware and development tools run in hundreds of millions of vehicles worldwide. The company works on software defined vehicle architectures with carmakers and semiconductor suppliers.
Embedded Systems
Embedded Software
Cybersecurity
Elmos Semiconductor is a Dortmund company founded in 1984 that designs mixed signal chips for vehicles. Its integrated circuits control motors, lighting, sensors and ultrasonic parking systems in cars worldwide. The company designs in Germany and works with foundry partners for manufacturing.
Mechanical Components
Cybersecurity
Hardware
Rohde & Schwarz is a Munich technology company founded in 1933 that makes test and measurement instruments. Its equipment certifies mobile devices and network equipment worldwide, and it also builds broadcast transmitters, secure communications and cybersecurity products. The company remains family owned and employs more than fourteen thousand people.
Government
Information Security
Manufacturing
Cybersecurity
plusserver is a Cologne company that provides sovereign cloud and managed hosting from German data centres. It operates its own infrastructure alongside hyperscale platforms for customers with data residency requirements. The company serves e-commerce, media and public sector clients across German speaking markets.
IT Infrastructure
Cybersecurity
Information Technology
MaibornWolff is a Munich software company founded in 1989 that develops custom systems and advises on technology strategy. Its teams work on automotive software, internet of things platforms and enterprise applications for German industrial clients. The company is partner owned and regularly ranks highly in German employer surveys.
Automotive Manufacturing
Software
Cybersecurity
ownCloud is a Nuremberg company founded in 2011 that develops open source file sync and share software. Its platform lets organisations run their own storage service rather than sending documents to foreign cloud providers. The company serves universities, public bodies and enterprises with data sovereignty requirements.
Information Technology
Cybersecurity
Software
Materna is a Dortmund information technology company founded in 1980 that serves public administration and enterprises. It builds digital government services, service management platforms and airport self service systems used worldwide. The company remains owner managed and employs thousands of specialists across Europe.
Government
Cybersecurity
Artificial Intelligence
KPS is a consultancy near Munich founded in 2000 that specialises in digital transformation for retail and consumer goods. It implements commerce, enterprise resource planning and customer experience platforms with its own rapid delivery methodology. The company works with large European retail groups on end to end process change.
Cybersecurity
Commerce
Professional Services
GMO Cybersecurity by Ierae is a Tokyo security company founded in 2005 and known for its offensive security research team. It performs penetration testing, vulnerability assessment and source code review for web, mobile, automotive and blockchain systems. Its researchers regularly place highly in international hacking competitions.
Embedded Systems
Hardware
Cybersecurity
iomart is a Glasgow company founded in 1998 that provides cloud hosting, backup and managed infrastructure. It operates its own data centres across Britain and serves public sector and enterprise customers with hybrid cloud services. The company has grown through a long series of acquisitions of hosting and managed service businesses.
Managed IT Services
Cybersecurity
Information Technology
1
open jobs
501-1000
Team size
1998
Founded
Six Degrees is a London managed service provider founded in 2011 that delivers cloud, connectivity and security to British organisations. It operates secure infrastructure for public sector and regulated customers with its own data centre estate. The company combines managed detection and response with cloud migration services.
Telecommunications
Information Technology
Cybersecurity
Node4 is a Derby company founded in 2004 that provides cloud, connectivity and managed services to mid-market organisations. It operates its own data centres in Britain alongside hyperscale cloud partnerships and a growing cybersecurity practice. The company has grown through acquisitions of application and consulting businesses.
Information Technology
Data & Analytics
Cybersecurity
Vodafone Group is a telecommunications company founded in 1984 and headquartered in Newbury, Berkshire. It operates mobile and fixed networks across Europe and Africa and runs the M-Pesa mobile money platform used by tens of millions of people. The company also builds internet of things connectivity and shared network infrastructure at scale.
Hardware
Financial Services
Cybersecurity
Git
Java
Oracle
SQL
CI/CD
Spring Boot
AI Agents
JavaScript
+209 More
7
open jobs
1001-5000
Team size
1984
Founded
Angoka is a Belfast cybersecurity company founded in 2020 that secures machine to machine communication. Its hardware based identity technology protects connected vehicles, drones and smart city infrastructure from spoofing and manipulation. The company works with transport authorities and mobility manufacturers.
Information Technology
Internet of Things
Cybersecurity
CyberOwl is a British company founded in 2016 that monitors cyber risk on ships and in maritime operations. Its Medulla platform gives fleet operators visibility of onboard systems that are hard to reach over intermittent satellite links. The company works with shipping companies and maritime regulators on operational technology security.
Data & Analytics
Information Security
Cybersecurity
Risk Ledger is a London company founded in 2018 that maps and monitors supply chain security risk. Suppliers maintain one security profile shared with all their clients instead of completing endless bespoke questionnaires. The company visualises the wider network so organisations can see risk several tiers deep.
Information Security
Cybersecurity
Crypto Wallets
Apache Kafka
AWS
Docker
Go
Grafana
Java
Kubernetes
Python
+9 More
Intruder is a London company founded in 2015 that provides continuous vulnerability scanning for internet facing systems. Its service watches for newly exposed services and emerging vulnerabilities and alerts teams with prioritised, readable findings. The company targets growing technology companies without dedicated security staff.
Endpoint Security
Cloud Security
Cybersecurity
Senseon is a London cybersecurity company founded in 2017 that correlates signals from endpoints, network and cloud into single investigations. Its approach aims to reduce alert fatigue for teams that cannot staff a full security operations centre. The company serves mid-sized organisations across Britain and Europe.
Data & Analytics
Artificial Intelligence
Cybersecurity
CI/CD
Claude
Claude Code
GitHub Actions
Python
AI Agents
GitHub
IAM
+3 More
Push Security is a London company founded in 2020 that secures the sprawl of software as a service applications employees sign up to. Its browser based agent finds shadow accounts, weak passwords and phishing attempts against identity providers. The company focuses on identity attacks that bypass traditional network and endpoint defences.
Cloud Computing
Online Communication
Cybersecurity
CybSafe is a London company founded in 2015 that applies behavioural science to security awareness. Rather than annual training videos, its platform measures individual security behaviour and intervenes with targeted nudges. The company publishes research on human factors in cybersecurity alongside its product.
Data & Analytics
Cybersecurity
Artificial Intelligence
Callsign is a London company founded in 2012 that authenticates users through behavioural biometrics and device intelligence. Its models recognise how a person types, swipes and holds a phone to spot impersonation without adding friction. The company works with banks and telecom operators fighting authorised push payment fraud.
Artificial Intelligence
Cybersecurity
Fraud Detection
iProov is a London company founded in 2011 that verifies that a remote user is the right person, a real person and authenticating right now. Its Genuine Presence Assurance technology illuminates the face with a controlled sequence of colours to defeat deepfakes and replay attacks. The company works with governments, banks and border agencies worldwide.
Athlete Training
Fraud Detection
Cybersecurity
Glasswall is a London cybersecurity company founded in 2006 that rebuilds files rather than scanning them for malware. Its content disarm and reconstruction technology strips anything that deviates from a file format specification and delivers a clean copy. The company works with defence, intelligence and critical infrastructure organisations.
Artificial Intelligence
Information Security
Cybersecurity
Panaseer is a London company founded in 2014 that measures whether an organisation's security controls are actually working. Its continuous controls monitoring platform reconciles data from dozens of security tools to find devices and users that are not properly protected. The company sells mainly to banks and other regulated enterprises.
Financial Services
Information Security
Cybersecurity
Red Sift is a London cybersecurity company founded in 2015 that protects organisations from impersonation and domain abuse. Its platform automates email authentication, certificate monitoring and attack surface discovery in one view. The company works with brands trying to stop criminals sending mail that appears to come from them.
Email Security
Information Security
Cybersecurity
Mimecast is a London cybersecurity company founded in 2003 that secures email and collaboration systems. Its cloud platform filters threats, archives messages and provides continuity when a mail service fails. The company protects tens of thousands of organisations worldwide and is owned by Permira.
Artificial Intelligence
Email Security
Cybersecurity
Egress is a London cybersecurity company founded in 2007 that protects organisations against email based risk. Its products stop misdirected messages, detect phishing that reaches the inbox and encrypt sensitive communications. The company serves government departments, healthcare bodies and enterprises and was acquired by KnowBe4.
Information Security
Email Security
Cybersecurity
QinetiQ is a Farnborough defence technology company created in 2001 from part of the British government's research agency. It develops robotics, sensors, cyber capabilities and test and evaluation services for defence and security customers. The company runs major test ranges and research facilities across the United Kingdom.
Science & Engineering
Military
Cybersecurity
Oxford Instruments is a British company founded in 1959 as the first technology spin-out from Oxford University. It builds superconducting magnets, cryogenic systems, electron microscopy detectors and semiconductor process equipment. Its cryostats cool many of the quantum computers being built around the world.
Cybersecurity
Biotechnology
Hardware
Brightsolid is a Dundee company that provides secure cloud and colocation services from data centres in Scotland. It serves public sector, energy and financial customers that require data to remain within the country. The company is part of the DC Thomson group and runs hybrid cloud managed services.
Data Centers
Information Technology
Cybersecurity
Netcraft is a Bath company founded in 1995 that is best known for its long running survey of web server software. Its main business is detecting and taking down phishing sites, fraud and malware on behalf of banks and governments. The company disrupts millions of malicious sites each year from its British base.
Internet Services
Artificial Intelligence
Cybersecurity
Jira
AWS
CI/CD
Docker
Figma
Go
Kubernetes
Next.js
+19 More
ANS Group is a Manchester technology company founded in 1996 that delivers cloud, data and digital services. It is one of the largest British partners of the major hyperscale cloud providers and serves public sector and enterprise customers. The company also runs a low code and application development practice.
Information Technology
Professional Services
Cybersecurity
Exponential-e is a London company founded in 2002 that owns and operates its own national fibre network. It sells connectivity, cloud and unified communications to enterprises and public sector customers over that network. The company runs its own data centres and network operations centre in Britain.
Artificial Intelligence
Information Technology
Cybersecurity
SQL
Layer 2
Model Context Protocol
Azure
Assembly
FortiGate
Wireshark
Windows Server
+2 More
Trustmarque is a York technology company founded in 1987 that advises organisations on software licensing, cloud and security. It serves public sector bodies and enterprises with managed services and Microsoft focused consulting. The company holds major government purchasing framework positions in Britain.
Higher Education
Cybersecurity
Information Technology
Claranet is a London managed services provider founded in 1996 that runs cloud, network and cybersecurity for mid-sized organisations. It operates data centres and support operations across Europe and Brazil after a long series of acquisitions. The company helps customers migrate and operate workloads on hyperscale platforms as well as its own infrastructure.
Information Security
Cybersecurity
Unily is a London company that builds employee experience and intranet platforms for large organisations. Its product connects communications, workflows and enterprise systems in one branded workplace hub for distributed staff. The company serves global enterprises including major energy, retail and manufacturing groups.
Financial Services
Professional Services
Cybersecurity
OneAdvanced is a Birmingham software company that supplies business applications to British organisations across many sectors. Its products cover human resources, finance, legal case management and health and care systems. The company is one of the largest domestic software providers to the public sector and professional services firms.
Cybersecurity
Artificial Intelligence
Professional Services
1
open jobs
1001-5000
Team size
2008
Founded
Tandem Bank is a British digital bank founded in 2013 that has refocused on green consumer lending. It finances home improvements, heat pumps, solar panels and electric vehicles alongside savings products. The bank operates entirely online and has grown through acquisitions of specialist lenders.
Fraud Detection
Hardware
Financial Services
GB Group is a Chester company founded in 1989 that provides identity verification, location intelligence and fraud prevention data. Its services check identities against billions of records in more than seventy countries for banks, retailers and governments. The company has grown through acquisitions into one of the largest independent identity data providers.
Human Resources
Cybersecurity
Fraud Detection
Moneyhub is a Bristol company founded in 2014 that provides open finance data and payment infrastructure. Its platform aggregates accounts, pensions and investments so banks, insurers and advisers can give customers a complete financial picture. The company sells its technology to institutions rather than competing for consumers directly.
Cybersecurity
Artificial Intelligence
Financial Services
ChatGPT
Claude
ISO 27001
SOC 2
ESET
Google Workspace
Modulr is a London payments company founded in 2015 that embeds accounts and payment capability inside other businesses. Its platform lets accounting software, lenders and employers move money automatically without building banking infrastructure. The company holds direct access to British and European payment schemes as a regulated electronic money institution.
Fraud Detection
Travel & Tourism
Financial Services
Salesforce
Apache Kafka
AWS
CI/CD
Docker
FastAPI
JavaScript
Kubernetes
+36 More
8
open jobs
201-500
Team size
2015
Founded
ComplyAdvantage is a London company founded in 2014 that builds financial crime risk data and screening technology. It maintains a real time database of sanctions, watchlists and adverse media that banks and fintechs use to screen customers and transactions. The company applies machine learning to reduce the false positives that dominate traditional compliance alerts.
Fraud Detection
Financial Services
Artificial Intelligence
Apache Kafka
AWS
Databricks
Grafana
Java
Kotlin
PostgreSQL
Python
+51 More
9
open jobs
$17k – $133k
Salary
2014
Founded
Onfido is a London identity verification company founded in 2012 by Oxford graduates. Its software checks government issued documents against a selfie video to onboard customers remotely for banks, marketplaces and mobility platforms. The company was acquired by Entrust in 2024 and continues to operate its verification platform from London.
Cybersecurity
Fraud Detection
OakNorth is a London bank founded in 2015 that lends to mid-sized businesses using its own credit analysis platform. Its ON Credit Intelligence software models borrower performance in granular sector detail and is licensed to banks in the United States and Europe. The company has lent billions of pounds while keeping loss rates unusually low for the segment.
Cybersecurity
Real Estate
Financial Services
SANS Institute is the most trusted resource for cybersecurity training, certifications and research. Offering more than 60 courses across all practice areas, SANS trains over 40,000 cybersecurity professionals annually.
Artificial Intelligence
Information Security
Cybersecurity
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Penetration Testing
Hardware
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A podcast featuring true stories from the dark side of the Internet.
SpeQtral develops satellite based quantum key distribution for secure communications. It was spun out of the Centre for Quantum Technologies in Singapore after demonstrating quantum payloads in orbit. The company is building commercial quantum secure networks in Asia.
Cybersecurity
Science & Engineering
Hardware
Tait Communications designs critical communications radio systems for emergency services and utilities. Its networks support police, fire, transport and energy operators in many countries. The company remains privately owned and manufactures in Christchurch.
Wireless
Information Technology
Cybersecurity
Coordinated, confidential vulnerability remediation for the open source software critical infrastructure depends on.
At Ampcus Cyber, we combine AI, automation, and human expertise to secure your business from evolving cyber threats.
Information Security
Cybersecurity
Vieworks is an Anyang company founded in 1999 that manufactures digital radiography detectors and industrial cameras. Its flat panel detectors are supplied to medical imaging manufacturers worldwide and its machine vision cameras serve semiconductor and display inspection. The company develops its own sensor and image processing technology.
Network Security
Sales & Marketing
Commerce