Best United Kingdom Cybersecurity Firm Rankings

Companies
Rankings updated: March 29, 2024
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  • ELEKS

    Verified
    ELEKS, a trusted partner for guaranteed software engineering excellence, quality, and transparency.
    ELEKS is the partner of choice for many leading enterprises, SMEs and technology challengers. We help businesses elevate their value through custom software development, product design, QA and consult [...]
    London, United Kingdom
    1000 & Up $50/hr $25,000 - $50,000
    Expertise
    Hover to view additional Areas of Expertise
    Penetration Testing
    Threat/Attack Simulations
    HIPAA Compliance
    VISIT WEBSITE
  • Sparx IT

    Verified
    Leading Website and Mobile App Development Company
    SparxIT is a 16 years plus top-tier app & web development company specializing in innovative digital solutions for global clients. We transform unique ideas into successful products that cater to your [...]
    London, United Kingdom
    100 - 249 $25/hr $1,000 - $10,000
    Expertise
    HIPAA Compliance
    Penetration Testing
    Digital Forensics
    Identity & Access Management
    Account Takeover (ATO)
    VISIT WEBSITE
  • Itransition

    Verified
    Turning software ideas into reality
    Itransition specializes in assisting startups and medium to large scale businesses with their software solution needs. Our range of services encompasses the entire development lifecycle, from initial [...]
    London, United Kingdom
    1000 & Up $40/hr $50,000 & Up
    VISIT WEBSITE
  • SiliconMint

    Dedicated teams that build complex software systems
    SiliconMint designs, develops, and supports mission-critical software systems. Based in San Francisco, SiliconMint has offices in New York and Europe to serve clients across the globe.
    London, United Kingdom
    50 - 99 $55/hr $25,000 - $50,000
    Expertise
    Penetration Testing
    VISIT WEBSITE
  • We make IT happen, so you don't have to.
    Efforts Solutions has been committed to IT Outsourcing for over a decade. We have a global reach with offices in UAE, UK, US, India, Kuwait, and Qatar. Our specialized services include IT, Security, D [...]
    London, United Kingdom
    100 - 249 $25/hr $1,000 - $10,000
    VISIT WEBSITE
  • Professional Software Engineering
    With more than 12 years of experience, COMPU-VISION provides you with a team of experts in each field of information technology, from website, mobile application UI/UX and development, software soluti [...]
    London, United Kingdom
    Under 49 $50/hr $1,000 - $10,000
    Expertise
    Penetration Testing
    HIPAA Compliance
    Digital Forensics
    VISIT WEBSITE
  • Scalefocus

    Accelerating your business forward!
    Scalefocus offers a comprehensive range of data mining and digital engineering services, catering to various industries such as Healthcare, Fintech, Insurance, Energy & Utilities, Logistics, E-Commerc [...]
    London, United Kingdom
    500 - 999 $60/hr Inquire
    Expertise
    HIPAA Compliance
    Penetration Testing
    Identity & Access Management
    VISIT WEBSITE
  • Aardwolf Security

    Aardwolf Security Provides Penetration Testing Services.
    Aardwolf Security Ltd are a leading cyber security company in the UK that focus solely on penetration testing. All our consultants are of a senior level holding some of the highest rated CREST certifi [...]
    Milton Keynes, United Kingdom
    Under 49 $120/hr $1,000 - $10,000
    Expertise
    Penetration Testing
    Cybersecurity Incident Response
    Breach Detection & Incident Response
    VISIT WEBSITE
  • Timspark

    Software Development and Consulting Company
    Timspark is an innovative software development company that endeavors to deliver the highest quality work to clients who look to address their challenges with custom technology. Our one-of-a-kind busi [...]
    London, United Kingdom
    1000 & Up $40/hr $25,000 - $50,000
    Expertise
    Digital Forensics
    Identity & Access Management
    Expert Testimony
    Breach Detection & Incident Response
    VISIT WEBSITE
  • Verified
    Revolutionizing banking with practical innovation.
    At Experion Technologies, we specialize in future-proofing finance app development that revolutionizes the banking industry. We leverage the latest technologies and design principles to deliver truly [...]
    New Malden, United Kingdom
    250 - 499 $30/hr $25,000 - $50,000
    VISIT WEBSITE
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  • Yellow Systems

    Get started with the magic of custom development!
    Yellow has a track record of assisting Y Combinator startups, Fortune 500 companies, and various clients. Get in touch with us to know more!
    London, United Kingdom
    50 - 99 $50/hr $10,000 - $25,000
    Expertise
    Penetration Testing
    HIPAA Compliance
    VISIT WEBSITE
  • TWC IT Solutions

    Integrating Systems, Connecting Continents.
    TWC IT Solutions is a premier system integrator, delivering world-class IT & Communication services. With a 90 NPS score, over 3,000 clients, and key partnerships with Microsoft, Cisco, and Samsung, o [...]
    London, United Kingdom
    50 - 99 $50/hr $1,000 - $10,000
    VISIT WEBSITE
  • METCLOUD

    Get Connected, Cyber Safe
    METCLOUD is a multi-award winning hybrid cloud platform that has been architected to provide an exceptional level of cyber security defences for cloud operations. METCLOUD is a cybersecurity hybrid cl [...]
    Birmingham, United Kingdom
    Under 49 Inquire Inquire
    VISIT WEBSITE
  • Mad Devs

    Engineering Your Growth
    Mad Devs is an international tech company that designs, develops, and deploys innovative software solutions. We serve businesses of all sizes and industries: from finance to transport and logistics, s [...]
    London, United Kingdom
    100 - 249 $50/hr $25,000 - $50,000
    VISIT WEBSITE
  • See The Whole Picture.
    Perspective Intelligence, situated in London, operates as an intelligence consultancy that offers a specialized service to enterprises and individuals for assessing their personal cybersecurity vulner [...]
    London, United Kingdom
    Under 49 $250/hr $1,000 - $10,000
    VISIT WEBSITE
  • A one-stop devshop with a wide range of IT services and solutions to clients worldwide
    Our team of expert developers and consultants is committed to delivering the highest quality products and services to help our clients achieve their business goals. With a strong presence in Southeast [...]
    London, United Kingdom
    100 - 249 $20/hr $1,000 - $10,000
    Expertise
    Breach Detection & Incident Response
    Threat/Attack Simulations
    Identity & Access Management
    VISIT WEBSITE
  • BugRaptors

    All Ways of Quality Always
    BugRaptors is a trailblazer in QA software testing services. Armed with ISO 9001:2018 and ISO 27001 certifications, our team of 200+ ISTQB-certified testers utilizes cutting-edge test automation tech [...]
    London, United Kingdom
    500 - 999 $25/hr Inquire
    Expertise
    Cybersecurity Incident Response
    VISIT WEBSITE
  • Our mission is to support and protect your technology so you can concentrate on your business!
    We are a small family business who have worked in IT in the Financial Services sector for around two decades. We specialise in IT Support, IT Security, Training and Data Management.
    Coleraine, United Kingdom
    Under 49 $30/hr Under $1,000
    VISIT WEBSITE
  • Layertec

    Layertec is a new IT solutions and compliance business. Layertec brings together vital compliance solutions for SMEs throughout the UK in the areas of: data security, health and safety, quality manage [...]
    Birmingham, United Kingdom
    Under 49 Inquire Inquire
    VISIT WEBSITE
  • A Cyber Security partner you can depend on to shape, innovate, and supercharge your Cyber Security strategy.
    Birmingham, United Kingdom
    Under 49 Inquire Inquire
    VISIT WEBSITE
  • Ironshare

    Ironshare is a provider of Information and Cyber Security services, that focuses on helping its customers to achieve a greater understanding of the risks to their organization, whether large or small, [...]
    Birmingham, United Kingdom
    Under 49 Inquire Inquire
    VISIT WEBSITE
  • Securing Your Cyber Sphere
    Cyphere is a security services provider helping organisations secure their most prized assets. We are not a 'report and run' consultancy.To understand, analyse and help solve customer business pro [...]
    Manchester, United Kingdom
    Under 49 $80/hr Inquire
    VISIT WEBSITE
  • Realize Security

    Penetration testing and cyber security specialists.
    Realize Security offers top-tier IT professional services, delivering scalable and cost-effective solutions in penetration testing, information and cyber security assurance, risk management, and analy [...]
    London, United Kingdom
    Under 49 $120/hr $1,000 - $10,000
    Expertise
    Penetration Testing
    VISIT WEBSITE
  • Qmulus Solutions

    Free your business from IT constraints
    Qmulus Solutions is a Sage and Creatio Business Partner specialising in improving client productivity via the use of CRM Solutions. Through the customisation and deployment of CRM systems we have help [...]
    Evesham, United Kingdom
    Under 49 $8/hr $1,000 - $10,000
    VISIT WEBSITE
  • Accenture

    Verified
    World famous IT services for businesses
    Accenture is a renowned worldwide IT services company that excels in digital, cloud, and security solutions. With an extensive range of expertise across over 40 industries, we provide a comprehensive [...]
    Glasgow, United Kingdom
    1000 & Up Inquire Inquire
    VISIT WEBSITE
  • Testhouse

    A Software Quality Assurance, Testing & DevOps Company
    Established in 2000, Testhouse is a global, independent, technology agnostic Software Testing and Quality Assurance company based out of London, UK with operations in the Middle East, USA, Australia, [...]
    London, United Kingdom
    250 - 499 $25/hr Inquire
    VISIT WEBSITE
  • Databound

    Your digital consultancy experts for sustainable digital evolution and innovation
    Databound stands as a premier digital consultancy, dedicated to guiding our clients through transformative technological advancements. Our approach centers on two fundamental strategies: cloud migrati [...]
    Yeovil, United Kingdom
    Under 49 $125/hr $1,000 - $10,000
    Expertise
    Threat/Attack Simulations
    HIPAA Compliance
    Digital Forensics
    Cybersecurity Incident Response
    Identity & Access Management
    Penetration Testing
    VISIT WEBSITE
  • Cosdec Labs

    Developing for Tomorrow.
    Cosdec Labs is an Award-winning, Global Web 3.0 Innovation companywith expertise in blockchain, metaverse, cryptocurrencies, NFTs, and more.
    London, United Kingdom
    500 - 999 $100/hr Inquire
    VISIT WEBSITE
  • Business focused manual application penetration testing. At RM Information Security we believe that good penetration testing is much more than finding vulnerabilities. We combine expert knowledge and [...]
    Manchester, United Kingdom
    Under 49 Inquire Inquire
    VISIT WEBSITE
  • Aristi Limited

    Aristi is an established and trusted provider of cyber security services with proven success in delivering innovative and cost-effective solutions to both public and private sectors. We deliver what w [...]
    Birmingham, United Kingdom
    Under 49 Inquire Inquire
    VISIT WEBSITE
  • Providing affordable quality IT Services & solutions for all your business needs
    Whitesol Technologies is a group of IT professionals that focuses on adding value and solving business challenges through the delivery of modern IT services and solutions.
    London, United Kingdom
    Under 49 Inquire Inquire
    Expertise
    Cybersecurity Incident Response
    Breach Detection & Incident Response
    VISIT WEBSITE
  • QualiMatrix Technologies: Always believe in Quality. We are ISO certified - 9001, 27001
    One of the top Web Development Services, App Development Services, UI/UX Services, and Software Testing Services
    London, United Kingdom
    100 - 249 $13/hr $1,000 - $10,000
    Expertise
    Cybersecurity Incident Response
    Penetration Testing
    Account Takeover (ATO)
    VISIT WEBSITE
  • Corewide

    Reliable DevOps services provider for startups and SMEs
    Our expertise covers a large number of services: from architecture and infrastructure operations to deployment, testing, and automation; from setting up CI/CD pipelines to Cloud migration and ensuring [...]
    London, United Kingdom
    Under 49 $50/hr Inquire
    VISIT WEBSITE
  • Xenoss

    Building complex data-centric solutions
    Xenoss is an NYC-based MarTech/AdTech software development company.
    London, United Kingdom
    100 - 249 $55/hr $50,000 & Up
    VISIT WEBSITE
  • Masergy

    Masergy leverages hybrid SD-WAN technology, UCaaS, CCaaS, and managed cybersecurity to help companies excel in any industry. The Texas-based managed IT services firm was founded in 2000 and specialize [...]
    London, United Kingdom
    500 - 999 Inquire Inquire
    VISIT WEBSITE
  • Commissum

    A truly joined up approach to solving information security, governance, risk management, and compliance challenges across technology, people and process.
    Birmingham, United Kingdom
    Under 49 Inquire Inquire
    VISIT WEBSITE
  • CoreBlue

    CoreBlue - Innovation You Can Count On
    As partners who drive your digital evolution, at CoreBlue, we empower change through custom software and technology.
    London, United Kingdom
    Under 49 $149/hr $25,000 - $50,000
    VISIT WEBSITE
  • Deloitte

    Collaborating for Lasting Impact in Business Consulting
    Join us at Deloitte, where we believe that our collective influence is the cornerstone of our value. With a rich legacy spanning over 175 years and a global network encompassing 150 countries, we empo [...]
    Manchester, United Kingdom
    1000 & Up Inquire Inquire
    VISIT WEBSITE
  • oapp.uk

    Bespoke technology solutions for any unique need.
    Oapp Ltd is a website development and software engineering company. We offer compherensive service that includes domain management, web hosting, SSL, databases, business emails beside custom business [...]
    Corby, United Kingdom
    Under 49 Inquire Under $1,000
    Expertise
    Digital Forensics
    Identity & Access Management
    Cybersecurity Incident Response
    VISIT WEBSITE
  • VenomIT

    Inform. Transform. Protect
    VenomIT is a full stack IT company, specialising in Cloud Hosting and Cyber security but with knowledge to solve any technical problems companies face no matter how large or small. VenomIT can do [...]
    Manchester, United Kingdom
    Under 49 $30/hr Under $1,000
    VISIT WEBSITE
  • TECHNOLOGY | INNOVATION | INSPIRATION
    NGBS assists companies to scale up, boost their development teams or building their ideas from scratch by providing top talent offshore/onshore software development resources. Whether your development [...]
    London, United Kingdom
    Under 49 $15/hr Inquire
    VISIT WEBSITE
  • Protiviti

    Global Business Consulting Excellence
    Protiviti is a global consulting firm that offers deep expertise, objective insights, and tailored solutions to empower leaders in tackling future challenges. With a comprehensive range of services sp [...]
    Manchester, United Kingdom
    1000 & Up Inquire Inquire
    VISIT WEBSITE
  • SPD Group

    TECHNOLOGY PARTNER FOR INNOVATIVE COMPANIES
    While modern technologies change our world, we help companies with innovative technologies. From E-Commerce to Fintech, from Machine Learning Development to Blockchain - we’ve got the necessary expert [...]
    London, United Kingdom
    250 - 499 $49/hr $25,000 - $50,000
    VISIT WEBSITE
  • Delivering Marketing Campaigns That Drive Measurable Pipeline
    London, United Kingdom
    Under 49 $100/hr $1,000 - $10,000
    VISIT WEBSITE
  • Sonyx

    Your Trusted IT Partner, helping you focus on your business operations and streamline IT processes.
    Sonyx are a trusted managed IT service provider and technology partner, helping companies across the Midlands meet data security standards and keep their IT infrastructure safe from the ever-evolving [...]
    Derby, United Kingdom
    Under 49 Inquire Under $1,000
    Expertise
    Cybersecurity Incident Response
    Threat/Attack Simulations
    VISIT WEBSITE
  • Cybernitics

    Cybersecurity made simple
    We are a leading cybersecurity company dedicated to protecting your digital assets and ensuring the utmost security for your organization. With our cutting-edge solutions and expertise, we safeguard b [...]
    Glasgow, United Kingdom
    Under 49 $50/hr $1,000 - $10,000
    Expertise
    Breach Detection & Incident Response
    Cybersecurity Incident Response
    Penetration Testing
    Threat/Attack Simulations
    Account Takeover (ATO)
    VISIT WEBSITE
  • Kanoote Soft

    Kanootesoft.co.uk - Best Web Design Company Manchester UK | Kanoote Soft
    Kanoote soft remains the leading web design company in Manchester UK. We are providing complete Software, Web Development, and digital marketing services in the UK.
    Manchester, United Kingdom
    Under 49 $59/hr $10,000 - $25,000
    VISIT WEBSITE
  • J B Cole

    Turning your digital ecosystem up a notch.
    Helping best-in-class organisations evolve, excel and thrive with the right digital tools for the modern world.
    Manchester, United Kingdom
    Under 49 Inquire Inquire
    VISIT WEBSITE
  • Cloudhelix

    Cloudhelix are experts in digital transformation, specialising in managed cloud, critical application hosting and cloud consultancy. We build brilliant cloud solutions which take businesses from where [...]
    Edinburgh, United Kingdom
    Under 49 Inquire Inquire
    VISIT WEBSITE
  • Kivu Consulting

    Kivu is a global technology and consultancy firm that combines technical and legal expertise to deliver cybersecurity solutions worldwide.
    London, United Kingdom
    100 - 249 Inquire Inquire
    VISIT WEBSITE
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About The Author and Expert Reviewer
Sumana Ganguly has over a decade of experience in writing for the tech industry. She started her career at Indus Net Technologies, Embee Software, and Global Info and Solutions System, where she won the Best Content Writer award. As the resident tech-savvy writer at DesignRush, she covers insightful tech topics and trends that help companies future-proof their businesses.
Chief Technology Officer
Gary Kuznetsov is a seasoned programmer, web developer, and certified Laravel developer. He was a Senior PHP developer at Blue Fountain Media, then soon became Head of Development at Digital Silk. With hundreds of successful websites/applications deployed throughout his career, it is no surprise that he is now a Chief Technology Officer at DesignRush, spearheading digital products and solutions to meet the company’s challenges and objectives.