Best Cybersecurity Consulting Companies in the UK

  • Updated on July 29, 2025

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    Cyber threats are growing more sophisticated, and UK businesses need strong protection. Cybersecurity consulting companies provide expert advice, risk assessments, and tailored strategies to defend against cyberattacks. In this article, we highlight the top firms in the UK that help organizations stay secure in a digital world.

    1. A-listware

     A-listware IT services include cybersecurity consulting for businesses in the UK. Our cybersecurity work is part of a broader service offering that includes infrastructure support, managed IT services, and IT consulting. A-listware assists UK-based companies in identifying security risks, improving system protection, and aligning cybersecurity practices with their operational goals.

    Our teams operate using flexible delivery models, including agile engineering and distributed development. This allows us to support clients who need adaptable cybersecurity expertise, whether for short-term advisory roles or ongoing support. Our approach is designed to integrate with different project scopes, offering technical guidance that fits the specific needs of each business.

    Key Highlights:

    • Provides cybersecurity consulting for UK-based companies
    • Uses flexible delivery models including agile and dedicated teams
    • Supports both cloud and on-premise infrastructure security
    • Integrates cybersecurity into broader IT strategies
    • Works with enterprises, SMEs, and startups across different sectors

    Services:

    • Cybersecurity consulting
    • Infrastructure services
    • IT support and help desk
    • Testing and quality assurance
    • Data analytics
    • UI/UX design
    • Web, mobile, and software development
    • Managed IT services
    • IT outsourcing and application services

    Contact Information:

    2. Foresite

    Foresite provides cybersecurity consulting and managed security services that support UK-based organizations in managing risk across cloud, hybrid, and on-premise environments. Their services include threat monitoring, endpoint protection, governance and compliance support, and continuous security testing. They help clients improve operational resilience through managed detection and response using tools like Google SecOps.

    They offer assistance with SIEM/SOC integration, threat intelligence, and compliance tracking. Their team works alongside internal IT teams or service providers to support cybersecurity operations and ensure systems meet compliance standards. Their services are structured to support ongoing detection, prevention, and response to cyber threats in enterprise and public sector environments.

    Key Highlights:

    • Supports UK businesses with managed detection and response
    • Delivers advisory services around governance, risk, and compliance
    • Provides threat intelligence and endpoint protection
    • Uses Google SecOps for security operations and automation
    • Offers integration and ongoing monitoring for cloud security

    Services:

    • Security operations and 24/7 threat monitoring
    • Threat intelligence and risk prediction
    • Governance, risk, and compliance advisory
    • Endpoint detection and response (EDR)
    • Continuous security testing
    • AI security and model protection
    • SIEM management and SOC services
    • Security assessments and migrations

    Contact Information:

    • Website: foresite.com
    • Twitter: x.com/Foresite_Cyber
    • LinkedIn: www.linkedin.com/company/foresite-managed-services
    • Address: A8 Ively Road, Farnborough Hampshire, GU14 0LX UK
    • Phone: +44 800-358-4915

    3. Software Mind

    Software Mind offers cybersecurity consulting services as part of a broader software development and IT operations portfolio. For UK companies, they support secure software development practices, including identity and access management, security auditing, and governance services. These services help businesses ensure that digital transformation and cloud adoption are aligned with security requirements.

    Their consulting work includes risk assessments and process audits across various sectors such as finance, telecom, and biotech. Along with technical expertise in automation testing and DevOps, they provide services that support the protection of software systems and data across their lifecycle. Their teams work with UK clients to improve software reliability and reduce security risks tied to modern IT operations.

    Key Highlights:

    • Provides security auditing and governance for UK companies
    • Supports secure software development and operations
    • Offers identity and access management consulting
    • Works across finance, telecom, biotech, and other industries
    • Delivers services as part of larger software lifecycle support

    Services:

    • Identity and access management
    • Security audit and governance
    • Automation testing
    • DevOps consulting
    • Cloud consulting and engineering
    • Data science and engineering
    • Embedded software services

    Contact Information:

    • Website: softwaremind.com
    • Facebook: www.facebook.com/lifeatsoftwaremind
    • LinkedIn: www.linkedin.com/company/software-mind
    • Instagram: www.instagram.com/lifeatsoftwaremind
    • Address: 85 Great Portland Street First Floor London W1W 7LT, UK

    4. Darktrace

    Darktrace delivers cybersecurity consulting and solutions to UK businesses using self-learning AI models that adapt to unique network environments. Their platform detects threats in real time by understanding normal behavior across systems and identifying deviations. Their approach is focused on reducing reliance on static rule-based systems and responding to previously unknown attack types.

    They provide support for network, cloud, email, endpoint, and operational technology security. Their AI-based tools assist security teams by automating incident investigation and surfacing key threats. With a layered AI model architecture, Darktrace helps UK companies manage modern threats, including AI-driven attacks and zero-day vulnerabilities, through adaptive detection and response.

    Key Highlights:

    • Provides AI-driven cybersecurity consulting and tools
    • Supports threat detection across cloud, email, and endpoints
    • Uses self-learning AI to identify novel and evolving threats
    • Helps UK businesses automate investigation and response
    • Focuses on behavioral analysis instead of signature-based detection

    Services:

    • AI-based threat detection and response
    • Network and cloud security consulting
    • Email and endpoint threat monitoring
    • Identity and access behavior analysis
    • Incident investigation with AI assistance
    • Support for zero-day and advanced threat scenarios

    Contact Information:

    • Website: www.darktrace.com
    • E-mail: sales@darktrace.com
    • Twitter: x.com/Darktrace
    • LinkedIn: www.linkedin.com/company/darktrace
    • Address: 80 Strand London WC2R 0DT, UK
    • Phone: +44(0)20 7072 1769

    5. Sophos

    Sophos provides cybersecurity consulting and managed services to organizations in the UK, with a focus on threat prevention, detection, and response. Their platform includes support for endpoint, email, cloud, and firewall protection. They combine AI-based security tools with managed detection and response services to help companies reduce exposure and respond quickly to cyber threats.

    They work with clients to strengthen their security posture through adaptive technologies and integrations across systems. Sophos Central, their main platform, allows teams to manage cybersecurity operations with centralized control and real-time updates. Their services support both internal teams and external security operations functions.

    Key Highlights:

    • Offers cybersecurity consulting for UK organizations
    • Provides a unified platform for endpoint, network, email, and cloud protection
    • Uses adaptive AI to support threat detection and response
    • Supports managed detection and response as a service
    • Provides flexible integration with third-party tools

    Services:

    • Endpoint security
    • Network security and firewall protection
    • Cloud workload protection
    • Email security
    • Managed detection and response (MDR)
    • Cybersecurity operations consulting

    Contact Information:

    • Website: www.sophos.com
    • Email: sales@sophos.com
    • Address: Abingdon Science Park Abingdon OX14 3YP, United Kingdom
    • Phone: +44 (0)1235 559933

    6. PwC

    PwC provides cybersecurity consulting services to UK companies as part of their broader professional and technology advisory work. Their consulting teams help organizations assess risk, manage regulatory compliance, and build cybersecurity strategies that align with business goals. They work across sectors including government, finance, healthcare, and telecom.

    Cybersecurity is included in their risk services and technology practices, where they focus on helping clients understand threat landscapes and improve resilience. PwC also supports managed services for ongoing compliance monitoring and policy development. Their work includes integration with broader business transformation and digital initiatives.

    Key Highlights:

    • Offers cybersecurity risk and compliance consulting
    • Works with UK clients across public and private sectors
    • Supports policy, governance, and regulatory alignment
    • Provides cybersecurity as part of broader digital strategies
    • Integrates cybersecurity with business transformation efforts

    Services:

    • Cybersecurity consulting
    • Risk and regulation advisory
    • Compliance monitoring
    • Governance and policy development
    • Digital transformation support
    • Managed security services

    Contact Information:

    • Website: www.pwc.co.uk
    • Facebook: www.facebook.com/PwCUK
    • LinkedIn: www.linkedin.com/company/pwc-uk
    • Instagram: www.instagram.com/pwc_uk
    • Address: 7 More London Riverside London SE1 2RT, United Kingdom
    • Phone: +44 (0)20 7583 5000

    7. BAE Systems Digital Intelligence

    BAE Systems Digital Intelligence delivers cybersecurity consulting and technical services to UK organizations, especially those operating in sensitive or high-risk environments. Their work includes network security, operations monitoring, and digital infrastructure protection. They provide support for government and commercial sectors with a focus on long-term risk management and secure systems architecture.

    Their consulting services cover cyber defense planning, threat analysis, and the design of secure operational environments. BAE Systems also offers digital and data services that connect with their cybersecurity capabilities, allowing clients to manage large-scale infrastructures securely while maintaining regulatory and operational standards.

    Key Highlights:

    • Provides cybersecurity consulting to UK public and private sectors
    • Offers support for secure infrastructure design and monitoring
    • Covers cyber defense, risk analysis, and operational security
    • Works in regulated and high-risk environments
    • Integrates cybersecurity with digital operations and data systems

    Services:

    • Cybersecurity consulting and advisory
    • Network and operations security
    • Threat analysis and risk management
    • Digital infrastructure protection
    • Secure systems design
    • Data and digital services

    Contact Information:

    • Website: www.baesystems.com
    • Facebook: www.facebook.com/BAESystemsplc
    • Twitter: x.com/BAESystemsplc
    • LinkedIn: www.linkedin.com/company/bae-systems
    • Instagram: www.instagram.com/baesystems
    • Address: Monmouthshire, Usk, Glascoed, NP15 1XL, United Kingdom
    • Phone: +44 (0) 1291 672211

    8. Atos

    Atos provides cybersecurity consulting services in the UK through a mix of advisory, integration, and managed offerings. Their work supports organizations across sectors that require help with security operations, risk reduction, and infrastructure protection. They address both strategic and operational areas of cybersecurity, including cloud security, vulnerability management, and threat detection.

    Their cybersecurity services are delivered under their Eviden brand, which focuses on AI-enabled and mission-critical technologies. Atos also supports the implementation of secure platforms and assists with managing digital risk as part of broader transformation initiatives. Their services are aligned with the needs of public and private sector clients who operate in high-compliance or sensitive environments.

    Key Highlights:

    • Provides cybersecurity services under the Eviden brand
    • Works with UK clients in public and private sectors
    • Supports both strategic advisory and operational cybersecurity
    • Integrates cybersecurity with digital transformation
    • Focuses on AI-driven security and infrastructure risk

    Services:

    • Cybersecurity consulting
    • Vulnerability and risk management
    • Cloud and infrastructure security
    • Threat detection and monitoring
    • Secure platform implementation
    • Cybersecurity integration with digital systems

    Contact Information:

    • Website: atos.net
    • Facebook: www.facebook.com/Atos
    • Twitter: x.com/atos
    • LinkedIn: www.linkedin.com/company/atos
    • Instagram: www.instagram.com/atosinside
    • Address: MidCity Place 71 High Holborn London WC1V 6EA, UK
    • Phone:  0800 783 3040

    9. Accenture

    Accenture provides cybersecurity consulting to organizations in the UK as part of a broad digital and business services portfolio. Their cybersecurity work includes helping companies build security strategies, manage risks, and respond to cyber threats across enterprise systems and cloud environments. They also support secure development and operational resilience for ongoing technology projects.

    Their services combine risk management with emerging technologies, helping clients address both compliance and security challenges in complex infrastructures. Accenture works with multiple sectors, including finance, energy, public service, and retail. Their consulting services are often integrated with cloud, data, and AI projects to ensure secure design and execution.

    Key Highlights:

    • Offers cybersecurity consulting across UK industries
    • Focuses on risk management and threat response
    • Supports cloud and infrastructure security projects
    • Aligns security with business and technology transformation
    • Provides services as part of broader digital programs

    Services:

    • Cybersecurity strategy and risk consulting
    • Cloud and infrastructure protection
    • Compliance and governance support
    • Threat detection and response
    • Integration with AI and data systems
    • Secure system design for enterprise projects

    Contact Information:

    • Website: www.accenture.com
    • Address: Runway East Temple Meads, 101 Victoria Street, Bristol City, United Kingdom, BS1 6PU
    • Phone: +441172872344

    10. KPMG

    KPMG delivers cybersecurity consulting services in the UK through their advisory and technology practices. Their teams assist clients with identifying risks, meeting regulatory obligations, and improving cyber resilience. They work with both private companies and public sector organizations, helping them develop structured approaches to cyber risk management and data protection.

    Cybersecurity at KPMG is often integrated with audit, legal, and digital transformation services. Their approach combines business risk understanding with technical security practices, supporting clients across finance, healthcare, infrastructure, and other sectors. KPMG also helps organizations align cybersecurity with business goals and regulatory frameworks.

    Key Highlights:

    • Offers cybersecurity consulting through advisory services
    • Supports UK clients across regulated industries
    • Focuses on risk management and compliance
    • Integrates cybersecurity with legal and transformation work
    • Aligns security with organizational objectives

    Services:

    • Cybersecurity risk assessment
    • Regulatory and compliance advisory
    • Cybersecurity strategy development
    • Integration with legal and audit services
    • Support for digital and infrastructure projects
    • Data protection and governance

    Contact Information:

    • Website: kpmg.com
    • Twitter: x.com/kpmguk
    • LinkedIn: www.linkedin.com/company/kpmg-uk
    • Address: 66 Queen Square, Bristol, BS1 4BE, UK
    • Phone: +44 (0)117 905 4200

    11. CGI

    CGI offers cybersecurity consulting services in the UK as part of their end-to-end IT and business support portfolio. Their cybersecurity services are integrated into broader consulting and managed IT offerings, helping clients protect infrastructure, manage operational risk, and improve resilience. They work with public and private organizations that require secure digital transformation across industries including government, health, energy, and finance.

    They support clients with technical expertise in security operations, infrastructure services, and cloud environments. CGI also provides tailored cybersecurity strategies as part of larger digital projects, combining consulting, systems integration, and managed services. Their work includes the use of proprietary solutions and established methods to deliver structured and consistent results in security-focused projects.

    Key Highlights:

    • Delivers cybersecurity consulting through integrated IT services
    • Works with UK public and private sector organizations
    • Offers support across industries including government, finance, and health
    • Combines cybersecurity with cloud and infrastructure services
    • Provides proprietary tools and frameworks for secure implementation

    Services:

    • Cybersecurity consulting
    • Security operations and risk management
    • Cloud and hybrid IT security
    • Systems integration with security features
    • Managed IT and infrastructure security services
    • Business process and application security

    Contact Information:

    • Website: www.cgi.com
    • Facebook: www.facebook.com/CGIGroup
    • Twitter: x.com/cgi_global
    • LinkedIn: www.linkedin.com/company/cgi
    • Address: The Kelvin Suite 202 17-25 College Square East Belfast BT1 6DE
    • Phone: +44 (0)20 7637 9111

    12. BJSS

    BJSS provides cybersecurity consulting in the UK as part of its technology and software engineering services. Their work supports secure system development, cloud security, and enterprise-scale protection across a wide range of sectors, including healthcare, government, energy, and retail. They help clients manage digital risks during large transformation projects and ongoing software delivery.

    Cybersecurity services from BJSS are aligned with their broader delivery approach, which includes agile practices and system architecture design. They assist UK businesses in building secure platforms, implementing modern development practices, and addressing threat protection needs as part of product lifecycle management. Their focus includes both consulting and hands-on security solution delivery.

    Key Highlights:

    • Offers cybersecurity support across major UK industries
    • Combines consulting with software engineering and system delivery
    • Provides services within digital transformation and modernisation efforts
    • Applies cybersecurity practices across cloud and AI projects
    • Delivers both advisory and technical implementation

    Services:

    • Cybersecurity consulting and architecture support
    • Cloud security and platform protection
    • Secure software delivery and lifecycle integration
    • Threat monitoring and response planning
    • Technical audits and resilience reviews
    • Managed cybersecurity services

    Contact Information:

    • Website: www.bjss.com
    • E-mail: joan.nugent@bjss.com
    • Address: 90 Victoria Street Bristol BS1 6DP
    • Phone: +44 117 379 0340

    13. Texaport

    Texaport offers cybersecurity consulting to businesses across the UK with a focus on practical risk management and IT infrastructure support. They work with companies to prevent and respond to cyber threats, integrating cybersecurity into broader IT strategies. Their team provides both proactive protection and incident response services, alongside continuous monitoring and support.

    Their cybersecurity approach is part of a wider package that includes IT support and cloud services. They tailor solutions to the needs of each client, including help with cyber certifications and digital transformation initiatives. Their services are suited for organizations looking for hands-on support and strategic advice to strengthen their digital environments.

    Key Highlights:

    • Provides cybersecurity services across the UK
    • Combines security with managed IT and cloud support
    • Supports incident response and ongoing risk management
    • Helps organizations meet certification requirements
    • Offers tailored cybersecurity strategies for SMEs and larger companies

    Services:

    • Cybersecurity consulting and support
    • Incident response and threat mitigation
    • Vulnerability management
    • Cyber Essentials and Cyber Essentials Plus readiness
    • Cloud and IT infrastructure security
    • Managed IT and helpdesk services

    Contact Information:

    • Website: texaport.co.uk
    • E-mail: london@texaport.co.uk
    • Twitter: x.com/texaportuk
    • LinkedIn: www.linkedin.com/company/texaport
    • Address: 77 Farringdon Road, London, EC1M 3JU
    • Phone: 0203 702 1222

    14. McKinsey

    McKinsey offers cybersecurity consulting as part of its broader risk and digital transformation services in the UK. They help large organizations design and implement strategies that reduce exposure to cyber risks and support business continuity. Their work includes advising on governance, threat management, and long-term resilience planning.

    Their cybersecurity services are typically integrated into wider business and operational transformations. McKinsey works with a range of industries including finance, government, healthcare, and manufacturing. Their consulting model focuses on aligning security with business goals and embedding protection into enterprise systems and decision-making processes.

    Key Highlights:

    • Offers cybersecurity consulting within large-scale business transformations
    • Works with UK clients across public and private sectors
    • Supports governance, risk management, and threat mitigation
    • Aligns cybersecurity with organizational and operational strategies
    • Advises on long-term resilience and infrastructure protection

    Services:

    • Cybersecurity strategy development
    • Risk and resilience consulting
    • Enterprise security governance
    • Incident preparedness and response planning
    • Digital transformation security alignment
    • Sector-specific security advisory

    Contact Information:

    • Website: www.mckinsey.com
    • Facebook: www.facebook.com/McKinsey
    • Twitter: x.com/McKinsey
    • LinkedIn: www.linkedin.com/company/mckinsey
    • Address: 100 Museum Street London WC1A 1PB, United Kingdom
    • Phone: +44 (20) 7839 8040

    15. Cyber Tec Security

    Cyber Tec Security focuses on helping UK organizations achieve and maintain cybersecurity certification and compliance. Their services support businesses seeking to align with standards such as Cyber Essentials, Cyber Essentials Plus, IASME Cyber Assurance, and ISO 27001. They also provide practical tools and consulting to manage security risks and demonstrate readiness for audits and client requirements.

    In addition to certification guidance, they offer managed services such as vulnerability assessments, penetration testing, and threat detection. Their approach is tailored to SMEs and organizations that need affordable, continuous security support. They work with clients to reduce risk exposure, meet regulatory expectations, and improve overall cyber posture through clear, actionable steps.

    Key Highlights:

    • Specializes in cybersecurity certifications and compliance
    • Works with UK SMEs and growing businesses
    • Offers monthly and annual vulnerability assessments
    • Provides support with Cyber Essentials and ISO 27001
    • Delivers practical advice aligned with UK security standards

    Services:

    • Cyber Essentials and IASME certification support
    • ISO 27001 consulting
    • Monthly vulnerability assessments
    • Penetration testing
    • Managed threat detection (SOC and SIEM)
    • NIST framework assessments and security planning

    Contact Information:

    • Website: www.cybertecsecurity.com
    • E-mail: contact@cybertecsecurity.com
    • Twitter: x.com/_cybertec
    • LinkedIn: www.linkedin.com/company/cyber-tec-security
    • Address: Suite 5, Corum 2, Corum Office Park, Crown Way, Warmley, Bristol, BS30 8FJ, UK
    • Phone: +44 117 457 3331

    Conclusion

    The cybersecurity landscape in the UK continues to evolve as businesses face increasing pressure to protect their data, systems, and operations. The consulting companies covered in this article reflect the range of expertise available to help organizations manage digital risks, meet compliance requirements, and improve their overall security posture.

    From technical advisory and threat detection to certification support and managed services, these firms offer practical solutions tailored to different business needs. Whether working with large enterprises or smaller organizations, they help clients navigate complex security challenges and adapt to changing threats in a connected environment.

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