Directory · GB
Computer and Network Security in United Kingdom
A register of firms and the professionals working at them in the Computer and Network Security sector based in United Kingdom. Browse the public index, then filter or export on Kipplo.
Companies
1.8K on file
Porgiesoft Group Security & Education
PORGiESOFT is a remote-first anti-fraud cybersecurity firm based in Cambridge, with our team working around the world. We're an NCSC (a part of GCHQ) For Startups Alumni Startup. We started out in EdTech but we're now mainly focused on anti-fraud cybersecurity solutions, services and products. Our vision is to be a world-class leading authority in the detection and prevention of cyber-fraud, inspecting language as data.
11 to 50 staff
Practical Infosec
We provide security support to organisations who help improve the world we live in. Whatever positive impact you are making, we're here to protect you against cyber risks. We focus on a handful of information security areas so we can deliver great value- Cyber Risk Assessments - Strategy and Policy Design - Compliance with Cyber Essentials - Virtual/Fractional CISO or Security Consultant Services
1 to 10 staff
Precedence Technologies Ltd
Precedence Technologies offers innovative products and services aimed at schools and businesses who wish to embrace flexible, modern technologies such as server and desktop virtualisation, mobile devices and access from anywhere in order to enhance productivity Founded in Precedence Technologies has developed its own products and solutions in conjunction with an unrivalled 20+ years of experience of hardware and software products from Citrix, Google, Microsoft, Lenovo and IBM. Our reputation has been built on expert technical support and custom-designed products which is reflected in our strong and loyal nationwide customer base. Embrace and transform ICT in your classroom and beyond in partnership with Precedence Technologies.
11 to 50 staff
Principle Defence
Principle Defence is an Information Security & Data Privacy consultancy and training provider.
1 to 10 staff
Programmer Security Ltd
Programmer Security (PGM Security) is a UK-registered, founder-led cybersecurity firm delivering enterprise-grade penetration testing services to organizations worldwide. Led by experienced security practitioners, PGM Security focuses on practical, real-world security testing—going beyond automated scans to identify how attackers actually exploit systems. We work with organizations operating in high-risk and regulated environments to strengthen their security posture across: AI Security Testing Mobile and Network Security Testing Web Application Security Testing Cloud Security Testing Our assessments are threat-driven, standards-aligned, and designed to provide clear, actionable insights for both security teams and leadership. Protect your organization’s security—contact us to discuss your security assessment needs.
11 to 50 staff
Qss It Solutions
Qss IT Solutions is a team of IT professionals characterised by our ability to learn how each client uses technology for their particular business and working this out and communicating with business owners in a way that is clear and understandable. In today’s world, many businesses rely on computer systems, indeed there are very few that operate without them. So, it makes sense to have someone you can trust to help guide you through the various and ever changing technologies that exist today. Today more than 600 people in small to medium size business, schools and Non Profit organizations in the South West rely on Qss IT Ltd as a trusted IT partner to support their computer systems. It is with a genuine sense of purpose and a desire to help that we fulfil our clients’ IT needs as well as serve our community. Qss IT Ltd can offer a wide range of technology services and systems support and works across a range of business sectors including, Professional, legal and Accounting, Construction, Recruitment, Education, Engineering and Not for Profit organizations.
1 to 10 staff
Rapid It Support London
Rapid IT provides industry-specific IT support services for businesses in London. Our dedicated professionals ensure support around the clock throughout 365 days. Every support query is treated as URGENT. Monthly or lifetime licensing options are available. No obligation. Leave whenever you want. Start from £ 20. Get a FREE Quote about your business today.
11 to 50 staff
Re-Tek Uk Ltd
At Re-Tek, our mission is to provide better lifecycle management for your IT. We want to unlock the value of your IT, from cradle to grave. We stop IT from being needlessly thrown away through our circular business practices. From configuring devices to your specifications, to erasing your confidential data, we handle every aspect of your IT’s life. Re-Tek provide a best-in-class service you can rely on. Our full lifecycle services make your IT more sustainable.
11 to 50 staff
Reach It Management - Part Of Novem
Having worked in IT for nearly 3 decades we have seen many of the IT problems faced by businesses large and small. For small to medium businesses there is the constant battle to try to keep IT costs low whilst having IT platforms that enable the business to flourish. The problem of how you access strategic IT advice without the overheads. So for many this means a trade between cost and service. This doesn’t always have to be the case. There are many companies out there offering outsourced IT support services. The hard part is finding one that understands your business, understands IT Management, and that you feel you can trust and work with. If any of the above rings true for you then please do feel free to call us on 01788 440024 or 07392 or drop Paul a line at paul@reach-it.co.uk. We will see how best we can help you – even if that means pointing you in another direction. Just a simple plain English chat with no risk or obligations.
1 to 10 staff
Red Goat Cyber Security Llp
Many organisations have already experimented with tabletop exercises - often by running a drill or working through a playbook. These approaches can be useful, but they rarely provide the level of assurance leaders are looking for: real confidence that their teams are ready to manage a serious cyber crisis. At Red Goat Cyber Security, we specialise in helping executive and crisis management teams prepare for the reality of today’s cyber threats. Our bespoke cyber crisis exercises and simulations are designed to go beyond box-ticking, creating realistic scenarios that challenge decision-making, clarify roles and responsibilities, and strengthen communication at every level. We understand that your time is valuable, so our exercises are designed to be engaging, efficient, and impactful. The result is not just a more resilient organisation, but teams who feel confident in their ability to handle high-pressure situations. If you want to ensure your team are prepared to respond decisively and effectively in a real cyber crisis, you can download our free Complete Guide to Running a Cyber Tabletop Exercise here https://red-goat.com/the-complete-guide-to-running-a-table-top-exercise-2025/
1 to 10 staff
Reliable Network Technologies Ltd
RELIABLE NETWORK TECHNOLOGIES LTD is a Computer and Network Security company located in 193A LANARK ROAD, LONDON, United Kingdom.
11 to 50 staff
Restorepoint Ltd
Restorepoint enables organisations to meet their business continuity and compliance requirements by automating time consuming processes such as network configuration backup, configuration change tracking, and compliance monitoring. All of this achieved using an intuitive, secure and vendor-independent platform, without the need for connecting to each device using proprietary command-line interfaces, vendor-specific consoles, or custom scripts. Customers around the world trust in Restorepoint to reduce administration overheads, enhance security, enable compliance, and reduce the impact and cost of downtime. For more information, features or to evaluate visit
1 to 10 staff
Rmg Cyber
RMG Cyber Consulting Ltd: Ethical, Client-Led Cybersecurity Solutions At RMG Cyber Consulting Ltd, we believe that cybersecurity shouldn't be shrouded in complexity or compromise. We are a trusted, client-focused cybersecurity consultancy dedicated to enhancing the security posture of our clients without charging exorbitant prices. Our commitment to ethical practices and unwavering values sets us apart in an industry often clouded by uncertainty. With a team of highly trained and capable personnel boasting numerous certifications, we bring expertise and experience to every engagement. Our professionals stay at the forefront of industry developments, ensuring that we deliver cutting-edge solutions tailored to meet the unique challenges faced by our clients. As one of the UK's pioneering trusted cloud consultants, we have earned the prestigious Cloud Security Alliance partnership. This accolade attests to our deep knowledge and expertise in cloud security, empowering us to guide our clients through the intricacies of cloud adoption while mitigating risks effectively. Collaboration is key to our approach, which is why we proudly partner with CompTIA to deliver comprehensive training programs. By sharing our knowledge and empowering individuals and organisations, we foster a cybersecurity-conscious community that can proactively safeguard against emerging threats. At RMG Cyber, we are committed to transparency, integrity, and delivering tangible value to our clients. We take the time to understand your specific needs, tailoring our solutions to provide the highest level of protection without unnecessary complexities. We prioritise your business objectives, ensuring that our recommendations align with your strategic goals. Join us in forging a new path in the cybersecurity landscape. Experience the difference that an ethical, client-led approach can make. Contact RMG Cyber today to embark on a journey of enhanced security without compromising your values.
1 to 10 staff
Romano Security Consulting
At Romano Security Consulting we’re committed to providing our clients with bespoke cyber security consultancy solutions that fit the needs of your business and address the risks that you face. If you're a startup, small business or a multinational we can design and implement a security solution for you. Standards and Frameworks Romano Security Consulting have experience in delivering projects across the following standards and frameworks: ISO 27001, HMG IA Security Standards and SPF, NHS IG Toolkit and NHS Data Security and Protection Toolkit, PCI DSS, Data Protection and Data Privacy, SOX (Sarbanes Oxley), COBIT, UK Gambling Act Compliance, AICPA Trust Service Criteria SOC2, NIST, 10 Steps to Cyber Security, 20 Critical Controls, GDPR, Cloud Security Principles, PSN, ISO 27035, ISO 22301, NIS Directive SERVICES Romano Security Consulting currently offer the following consultancy services: ISO 27001 Superfast ISO 27001 SOC 2 NIS Directive NHS DSP Toolkit Security Audit Incident Management Business Continuity Risk Management
1 to 10 staff
Sabre Systems
Since 1994 Sabre Systems has been helping small, medium, and emerging businesses control their costs and at the same time maximizing the value from their IT systems. Our focus is on maximizing uptime and user productivity by actively managing our client's networks and systems, preventing problems before they occur rather than fixing them after they have happened. We have over 20 years of experience in providing IT support and Services to Small and Medium Businesses throughout Scotland. Our Microsoft Certified Engineers utilise their technology expertise to ensure we offer the best service and solutions to suit each individual customer. Our support contracts are designed so that you can concentrate on your end goals while we manage your IT systems unobtrusively. From monitoring your network, to managing disaster recovery and protecting your systems and data - we have a support option to benefit your company.
1 to 10 staff
Secmatics
We believe that effective cybersecurity is within the reach of every organisation. By identifying and mitigating the specific threats that apply to your business we can help you to achieve your security goals. If you are looking for a security partner that will help and guide you at every step then you are in the right place. So let's talk. We offer a range of continuous Penetration Testing and Vulnerability Monitoring solutions that are built on top of our world-leading security automation platform. We also provide technical security consulting covering network and application level security analysis, technical risk management and longer term security strategy development. Our staff have decades of technical and strategic leadership experience covering operational security, secure software development, vulnerability analysis, exploit development, risk management and incident response. Our security automation platform was purpose built by our in-house team so can easily provide custom APIs or tools to integrate our services into existing systems or processes. We are committed to providing robust and effective security solutions that are tailor made for you and your business. If you have any questions, or would like to discuss any of our services, then please get in touch.
11 to 50 staff
Secqai
Quantum & AI Cyber Security
11 to 50 staff
Secure Business Computing Solutions
Secure Business Computing Solutions is an Information Technology company specialising in the fields of Cyber and Information Security. We provide consultancy, accreditation and audit services to both public and private sector organisations. Whether you require advice and guidance on how to minimise your risk of attack from emerging cyber security threats, or our accreditation services to provide your business and clients with the confidence that their data is managed appropriately. We have the expertise, experience and passion to help your organisation meet the challenges of managing Information Risk in the modern workplace. Contact Secure Business Computing Solutions to find out how together, we can start protecting the future of your businesses by securely managing your client's data today.
1 to 10 staff
Secure Debug
Secure Debug: Your Full-Spectrum Cybersecurity Guardian! Don't just react to cybersecurity threats—anticipate them with Secure Debug. We're not just consultants; we're your strategic partners in building an impenetrable digital fortress. What We Offer: Secure Code Audits: Comprehensive scrutiny of your code to weed out vulnerabilities before they become threats. Penetration Testing: Proactive 'ethical hacking' to identify and patch holes in your system defenses. Cyber-Secure Software Development: Software solutions engineered with cybersecurity DNA. Cybersecurity Training: Equip your team with the skills to maintain a resilient security posture. Holistic Security Coverage: Beyond application security, we offer end-to-end solutions encompassing Network and Infrastructure Security. We delve deep, conducting static and dynamic application analysis, IT health checks, and full-scale security assessments. Clarity, Inside and Out: Gain unparalleled insights into the security health of your company, network, systems, and applications. Choose Secure Debug, and turn your security from a question into a statement.
11 to 50 staff
Secureack
Founded by experienced security professionals, SecureAck revolutionizes security operations with intelligent data driven automation. SecureAck enhances security posture by automating critical processes, reducing noise, and optimizing existing investments. Trusted by leading companies worldwide, SecureAck helps security teams focus on protecting their organizations from evolving threats.
11 to 50 staff
Securewinds
We are the UK based Cyber Security and Information Security company providing Consultancy and Penetration Testing for modern application and infrastructure to secure your digital business. We also provide special open-source threat intelligence and security awareness training. Professional and cost-effective security testing for modern digital companies wasn’t available. So we fixed it!
1 to 10 staff
Security Roots Ltd
We develop software for information security specialists. Cybersecurity professionals have very particular needs, our products and services enable them to become more productive. We know the security industry, building software is not your core business, you need back-end systems that just work. Stop sending sensitive security findings to third-party clouds. Deploy Dradis on-premises and maintain full data sovereignty.
11 to 50 staff
Seedata.Io
Seedata.io detect attackers by luring them to disclose their presence, turning their own techniques against them. Our SaaS platform lets you automatically deploy an ever-changing collection of moving decoys inside and outside of your network. When unauthorized interactions occur, Seedata.io's platform springs into action, analyzing the activity and alerting customers directly into their existing security platforms. This approach provides high-fidelity in-network detection and generates actionable threat intelligence, sourced directly from adversaries targeting your organization.
1 to 10 staff
Sencode Cyber Security
Sencode is an agile and pioneering North East-based UK SME with a new innovative approach to tackling modern cybersecurity and OSINT issues.
1 to 10 staff
