Best Cybersecurity Companies in United Kingdom
Ranked top 10 below, plus more United Kingdom-based listings on the same page. For the full directory, browse all products in United Kingdom.
Top 10
Highest-ranked listings from United Kingdom by reviews, ratings, and editorial signals.
Linklaters LLP
Security Operations
Linklaters is an international law firm with a wide range of business and commercial practice areas including Information Management and Data Protection. We have one of the longest-standing privacy a
South East Cyber
Governance Risk and Compliance Platforms
The South East Cyber Resilience Centre supports and helps protect SMEs and supply chain businesses and third sector organisations in the region against cyber crime. Working with local Universities an
Bytes Technology Group
Compliance Consulting
Bytes is a leading provider of world-class IT solutions. Our growing portfolio of services includes cloud, security, licensing, SAM, storage, virtualisation and managed services. Our highly-skilled t
Dhound
Penetration Testing
Dhound is a cybersecurity company providing web application penetration testing, focused on manual approach and comprehensive delivery, helping IT companies be secure and compliant. We’ll find cracks
Amiosec
Compliance Consulting
Amiosec is a British cyber innovation business specialising in delivering simple-to-use solutions to the complex problems of the modern world. Working closely with government and defence organisation
Crypto Quantique
Industrial Control System Security
Crypto Quantique are building the most secure end-to-end IoT security platform. Our quantum driven cybersecurity solution enables vertically integrated, highly secure IoT deployments based on unforgea
Assuria
Managed Security Service Providers
Assuria Cyber Security solutions provide protective monitoring of systems and user activity across the whole IT infrastructure. Assuria provides trusted software solutions and managed security servic
Electus Recruitment Solutions
Security Operations
Electus is a leading recruitment specialist in the Engineering, Technology & Digital and Cyber & Security sectors. Placing thousands of skilled candidates in permanent and contract jobs, our talented
Corona IT Solutions
Backup as a Service
At Corona IT Solutions, our team of specialists in networking, wireless and VoIP are dedicated to providing proactive monitoring and management of your IT systems.We believe that the best computer net
Intertek Group
Industrial Control System Security
Intertek Group provides Assurance, Testing, Inspection and Certification services. Activities include cyber security testing and certification. We work to protect and secure sensitive data and the sa
More from United Kingdom
Additional United Kingdom-based vendors in rank order (not part of the top 10 badge above).
Curatrix Technologies
Backup as a Service
Curatrix Technologies is a Managed IT Service provider based in Hampshire, UK, providing high quality and reliable Managed IT Services since 2015. Curatrix Technologies are strong advocates of Cyber
Amadeus Capital Partners
Security Operations
Amadeus Capital Partners offers over 20 years’ experience in technology investment. We support innovation and entrepreneurship through accelerators, industry associations, government expert groups, m
CyberForce Global
Security Operations
CyberForce Global are at the forefront of start-up technology recruitment in areas including cybersecurity, IT infrastructure, software, fintech, blockchain and more. CyberForce global are committed
BCS, The chartered
Security Operations
BCS provides IT professionals with up to date and relevant certifications enabling them to manage IT security effectively within their budget. We offer IT professionals a range of internationally rec
UK Cyber Security
Security Operations
UK Cyber Security Forum is a community interest group for cyber security companies in the UK. The forum helps to coordinate the setting up of local/regional cyber security industry clusters around th
Innovent Recycling
Security Operations
Innovent Recycling provides a secure IT recycling & data destruction service to all types of organizations across the UK. Our recycling process exceeds legislation introduced in the WEEE Directive and
Incopro
Brand Protection
Incopro is an online IP and brand protection software provider that arms brand owners with actionable intelligence to combat online and offline intellectual property and copyright infringements. We b
AI Security Institute
Security Operations
The AI Security Institute’s mission is to minimise surprise to the UK and humanity from rapid and unexpected advances in AI. AISI will advance the world’s knowledge of AI security by carefully examin
Burges Salmon
Security Operations
Burges Salmon is an independent UK law firm with a clear purpose to deliver the highest quality service and best experience, for our people and for you. We take time to understand what is required and
CyberStream
Security Operations
CyberStream, a division of the TechStream Group, is an information & cybersecurity talent acquisition solution provider. Our business is dedicated to solving the increasing skills gap across the glob
ANS Group
Managed Security Service Providers
ANS are a strong team of straight-talking tech and business experts. Our mission is to make digital transformation accessible to all. With our Security Centre of Excellence, you get access to our cer
Acora
Managed Security Service Providers
Acora provide a range of best-in-class managed services, Microsoft-centric business software, and cloud solutions designed to help mid-market organisations succeed in the digital economy. Our service
Cado Security
Digital Forensics and Incident Response
Cado Security is pushing digital forensics, and cyber incident response to the next level. Cado Response PlatformWe have built a software platform for responding to cyber-security incidents and perfo
British Assessment Bureau
Security Operations
The British Assessment Bureau is an ISO certification body. We check conformity and compliance of companies to recognised ISO standards including ISO 27001. Our UKAS accreditation is a key part of th
7Safe
Security Awareness Training
7Safe has been delivering hands-on digital security training courses since 2001 and we currently have a portfolio of 22 university and industry-accredited courses delivered from our cyber development
UKsec: Virtual Cyber
Security Operations
In the aftermath of the global pandemic, the 3rd UKsec Cyber Security Summit takes place online in a world in which every organisation has been forced to shift instantaneously to the digital realm and
Seigur
Compliance Consulting
Seigur is an IT consultancy business providing flexible legal and cyber security services for IT and data privacy programmes. Privacy and Cyber Security can be like two tectonic plates moving indepen
RPC
Security Operations
RPC is a business law firm. Practice areas include technology and cyber risk. As a leading technology and cyber risk practice, we're acknowledged experts in defending technology companies. We specia
CyberSource
Security Operations
CyberSource was one of the pioneers in online payment and fraud management services for medium and large-sized merchants.Customers use our CyberSource and Authorize.Net brand solutions to process onli
Ampliphae
Cloud Security
About United Kingdom Cybersecurity Companies
United Kingdom has a strong bench of cybersecurity vendors. Rankings here mix expert write-ups, user ratings, and the product fields we track on each listing.
Ranking Criteria
- Expert reviews and ratings
- User feedback and reviews
- Feature completeness
- Enterprise readiness
Updated Monthly
Our rankings are updated monthly to reflect the latest product information, user reviews, and market changes.