Top Cyber Security Companies in London
Goodfirms has reviewed 160 Cyber Security Companies in London as of September 2026. The top-ranked firm is TechWize (4.9 stars, 26 verified reviews, $25 - $49/hr, founded 2000, London). Across the category, the median hourly rate is $37, median client rating is 4.9, and 30% of firms employ 50+ members. Explore the vetted Cyber Security Companies in London below, compare their strengths, and connect with the provider best suited to your requirements.
The surge in digital technology has also increased cyber threats. Therefore, the need for cyber security. As London is slowly becoming a corporate hub, there is a dire requirement of cyber security firms in London. Do you want to protect your devices from getting hacked? Then start looking for high rated cyber security agencies in London to hire one. Need some help in shortlisting from all the options of cyber security companies in London? Here is our pick of reliable cyber security service providers in London to make the task easier for you!
Goodfirms has verified 160 Cyber Security Companies in London - part of 6,392+ CyberSecurity Companies, each passing Goodfirms' 4-step verification process (background check, client interviews, portfolio audit, ongoing quality review). Listings marked "Sponsored" are agencies that pay for premium placement - sponsorship does not affect star ratings or review content.
Top 10 at Glance
Compare the highest-ranked firms first side by side.
List of Top Cybersecurity Service Providers in London | Cybersecurity Firms in London
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Carmatec Digital UK Ltd is a leading AI consulting and digital transformation company in London, United Kingdom that helps businesses modernise their operations, harness the power of data, and build intelligent, scalable digital solutions. With a strong focus on aligning technology with business objectives, Carmatec enables organisations to successfully adopt AI through strategic roadmaps, seamless ... read Carmatec Digital LTD reviews & insights
< $25/hr50 - 2492025London, United KingdomWhy Carmatec Digital LTD?
- AI-first solutions for real business outcomes
- End-to-end digital transformation expertise
- Proven AI, cloud, and data expertise
Teck Genius is London and Essex's premier Managed IT Support Partner specialising in IT Support, Cybersecurity and IT Consultancy. With a 24/7 Support and Help Desk we are redefining what IT Support should be.
NA010 - 49London, United KingdomHere at Heveloon, we're passionate about making a difference to you. We're a high-quality tailor development company here to bring a human, friendly face to your tech experience. Our mission is to help established businesses growth profit through tailored tech solutions Since 2018, Heveloon has been creating innovative, cost-effective, software solutions to make lives easier, ... read Heveloon reviews & insights
$25 - $49/hr2 - 9London, United KingdomLabyrinth Technology is a local company with historical links to The Square Mile and its establishments, meaning we understand the various needs of businesses located in the area. Our goal is to make IT support in London available and affordable to all businesses, giving them access to a first-class IT service, without having to sign ... read Labyrinth Technology reviews & insights
NA10 - 49London, United KingdomWe are a team of cloud consulting experts that excel in architecting and operating secure, automated cloud based solutions built on Amazon Web Services (AWS). We focus on becoming an extension to your existing team, offering exceptional customer service and working tirelessly to build you the right solution based on your needs With our help ... read Hydras Company reviews & insights
< $25/hr10 - 492010London, United KingdomReliason Solutions is an Oracle Gold Partner, providing solutions for Oracle application, database and middleware software. Increasingly, these systems are moving from being located on a customer’s own premises or hosted and managed by a third party for the customer, to cloud based. Reliason has embraced the cloud and provides organisations with assistance to build ... read Reliason Solutions reviews & insights
< $25/hr10 - 492010London, United KingdomSBR Technologies Inc Ltd is a UK-based company, incorporated on 6 August 2014. Headquartered at The Court Building, 1 Market Street, London, the company operates in the field of information technology consultancy. It is led by directors Biswajit Kumar Singh and Mousumi Singh, who also hold significant control over the firm. Since its incorporation, the ... read SBR Technologies Inc Ltd. reviews & insights
$25 - $49/hr50 - 2492014London, United KingdomOur engineers have worked in varied environments delivering in-house IT support as well as in the managed service sector. We have deep understanding of typical organisational IT infrastructure and priorities. This, along with the broad range of verticals that we support in our current client base, means we can empathise with the IT needs of ... read Fifosys reviews & insights
NA10 - 492001London, United KingdomWe help our clients to get the best out of technology – implementing, managing and supporting secure, resilient, flexible IT solutions. For many of our clients, we are the outsourced IT department. providing them with strategic IT input, proactive management, jargon-free 24/7 IT support and solutions that help them to grow their own organisations efficiently. ... read ramsac reviews & insights
$25 - $49/hr10 - 49London, United KingdomSince 2011, we've been shaping societies by empowering individuals with innovative digital skills, connecting them with job opportunities, whilst empowering businesses with top-tier tech talent, cutting-edge Managed IT Services to drive sustainable business growth and success.
$100 - $149/hr50 - 2492011London, United KingdomWe are a digital agency, with years of experience providing top notch solutions to diverse clientele of over 1,100+ satisfied clients around the globe. we aim to serve our clientele above and beyond their expectations. We assess and analyse the requirements of our clients’ businesses and look to address their requirements in a strategic and ... read Core 4 Technologies reviews & insights
$300+/hr2 - 92000London, United KingdomInfinity Group are one of the leading providers of IT Support in London. From our central base in the Shard quarters, we have been the chosen provider of Business IT Support services for 1000’s of businesses since 2001. We service a wide range of clients across many industries. Our London IT Support clients vary in ... read Infinity Group reviews & insights
< $25/hr50 - 2492002London, United KingdomUsing AI Tools
ChatGPT
SAF Technology delivers professional cybersecurity and IT services designed to help businesses operate securely and efficiently. Our expertise includes cloud and infrastructure security, managed IT support, network protection, compliance consulting, and SaaS business solutions. We work closely with organizations to identify vulnerabilities, implement effective security measures, and optimize technology performance. Through a customer-focused approach and ... read SAF Technology reviews & insights
$100 - $149/hr50 - 2492010London, United KingdomWhy SAF Technology?
- Trusted Cybersecurity & IT Experts
- Tailored Solutions for Every Business
- Proactive Support & Risk Protection
At Sereno we make people the focus of IT Support. Our people-centric approach ensures we always deliver impeccable customer service while also providing technology insight and consultancy to make your business a success. We’re motivated by how the right, proactive IT advice delivers mutually beneficial results for you and us, allowing us to build a ... read Sereno IT Support reviews & insights
NA10 - 492022London, United KingdomGrayscaled is a UK-based DevOps and infrastructure consultancy helping startups and SMEs build scalable, production-ready platforms. We specialise in Kubernetes architecture, CI/CD pipelines, cloud cost optimisation, and security hardening — delivering senior engineering expertise without the overhead of a full-time hire. From one-off infrastructure health checks to ongoing managed support, we solve the problems that ... read Grayscaled reviews & insights
$50 - $99/hr2 - 92026London, United KingdomUsing AI Tools
Copilot
For over 25 years, Advantage has helped small and mid-sized UK organisations modernise, secure and scale - using Microsoft AI, Cloud and Business Applications. As a Microsoft Solutions Partner, we deliver end-to-end transformation across Dynamics 365, Business Central, Power Platform, Microsoft 365, Azure and Managed IT Services. From finance and operations to sales, service and ... read Advantage Business Systems reviews & insights
NA10 - 491999London, United KingdomWhy Advantage Business Systems?
- 25 years of Microsoft partnership expertise
- Outcome-driven, not just technology-led
- Industry accelerators built for your sector
We are a team of passionate people whose goal is to improve everyone's life through disruptive products. We build great products to solve your business problems. Our products are designed for small to medium size companies willing to optimize their performance.
NA10 - 49London, United KingdomUsing AI Tools
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Lucidica is a London-based managed IT services provider supporting small and medium businesses since 1999. We provide managed IT support, business cybersecurity and Cyber Essentials certification, alongside cloud migration, Microsoft 365 and Azure, hardware supply and support, web hosting and domain management, and web design. We work with SMEs across professional services, finance, legal, creative ... read Lucidica reviews & insights
NA10 - 492005London, United KingdomWhy Lucidica?
- Bespoke IT contracts, never one-size-fits-all
- Cyber Essentials certification for your business
- Central London engineers onsite within the hour
The Scale Factory was established in London in 2009, the same year in which ‘DevOps’ as a concept first became popular. Since then, our team of experienced site reliability engineers, solutions architects and DevOps specialists have helped organisations of all sizes design, build and manage the foundations of their digital businesses.
< $25/hr2 - 92009London, United KingdomInsight International (UK) Ltd is a leading IT consulting firm with over 23 years of UK experience, specializing in creating virtual teams from India and Europe. Since 2014, we've partnered closely with global clients, solving complex challenges and driving business success. We're passionate about understanding our clients' needs and enhancing their efficiency and growth. Our ... read Insight International UK ltd reviews & insights
NA50 - 2492014London, United KingdomWe have over 20 years’ of experience supporting media, marketing and creative agencies. We’ll help your agency operate better with technology solutions.Sometimes a problem can be solved just by speaking to someone over the phone. Cubit Technology offers helpdesk support, where our phones are staffed with experienced and competent technicians. We can offer Remote Support ... read Cubit Technology reviews & insights
NA10 - 492004London, United KingdomUsing AI Tools
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Microsoft Copilot Studio
Kumonix is a UK-based Microsoft Cloud consultancy and Managed Service Provider (MSP) focused on helping organisations maximise the value of Microsoft 365, Azure, Teams, Power Platform and AI technologies.We combine strategic consultancy, solution design, implementation and ongoing managed services to help businesses modernise their workplace, improve collaboration, strengthen security and drive operational efficiency.Our consultancy services ... read Kumonix reviews & insights
$50 - $99/hr10 - 492025London, United KingdomWhy Kumonix?
- Microsoft Cloud & Modern Workplace Experts
- Consultancy And Managed Services Under One Roof
- Practical Solutions With Measurable Outcomes
HTL Support was initially founded in 2009 by Managing Director Justin Dean, to provide specialist IT support and IT consultancy services to financial services sector clients. Since its launch, HTL has rapidly evolved to offer a full range of cutting-edge, integrated and flexible products and services to a worldwide client base across all industries. Our ... read HTL Support reviews & insights
< $25/hr10 - 492009London, United KingdomHeadquartered in the UK and UAE, we are a Tier-One Microsoft Advanced Specialised Cloud Partner and a multiple-time Microsoft Partner of the Year award winner. Our expertise spans Microsoft 365, Azure, AI and machine learning, cybersecurity, and data analytics, supporting businesses across the MENA, EU, and US regions. Innovation is at the heart of what ... read Exquitech reviews & insights
NA250 - 9992011London, United KingdomWe have a growing global footprint built on our original foundation: local service delivered by local teams, using a mixture of local and international infrastructure. Founded in 1996 £440m annualised revenues Over 10,000 business customers Over 2,500 staff
< $25/hr1,000 - 9,9991996London, United KingdomGoPro Consultant is an IT recruitment consultancy service provider with extensive expertise in information technology Support & Consultancy, Software Development, project planning, and engineering. As a trusted service provider, we offer Pitcher Solutions in over 50 countries for IT support in the areas of workstations, applications, software & web development, security, data centers, project planning ... read GoPro IT Consultant reviews & insights
$25 - $49/hr010 - 49London, United KingdomSince 2004 we have been a leading IT support specialist. We provide you with a complete solution to your IT need by being your outsourced IT department securing your operations at all times. Reduce your stress, maximize your productivity and increase your revenue by optimising your operations and cyber security.
$25 - $49/hr2 - 9London, United KingdomWavex is one of the leading IT companies in London delivering award-winning managed services for over 20 years to local, national and international organisations who are seeking a smarter way to manage and develop their technology. Our services achieve better results by bringing together three vital components - the best from vendors like Microsoft, our ... read Wavex Technology reviews & insights
NA50 - 2491998London, United KingdomTyk Technologies Ltd (tyk.io) is a software company that helps businesses manage and secure their APIs, which are tools that allow different applications to communicate with each other. Its platform makes it easier for developers to control access, monitor usage, and improve the performance of their APIs. Tyk offers both open-source and enterprise solutions, making ... read TYK iO reviews & insights
$50 - $99/hr50 - 2492015London, United KingdomWhy TYK iO?
- Flexible deployment & no vendor lock-in
- Strong security and governance
- Simpler and faster API management
FingTap Solutions is a European startup revolutionizing digital services and solutions via online platforms and e-commerce. Our area of expertise is providing IT support and maintenance services to individuals and businesses, including students, startups, and SMEs across the globe.At FingTap 3D Solutions, Tech Outsourcing & Web Development we empower businesses across multiple domains with Innovative ... read FingTap reviews & insights
$25 - $49/hr10 - 492019London, United KingdomUsing AI Tools
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SharpField Global is a managed IT and field operations company specializing in enterprise infrastructure support, network engineering, and wireless survey services. We help organizations maintain reliable IT environments through structured onsite and remote support, smart hands services, and professional infrastructure assessments.Our team supports businesses, system integrators, and international managed service providers by delivering consistent, documented, ... read SharpField Global reviews & insights
$25 - $49/hr50 - 2492020London, United KingdomWhy SharpField Global?
- Global Coverage
- 4 Hour SLA Support
- Native Engineers
Established in 1995, AlphaLogix is a leading software design and IT solutions provider and one of the largest Accredited Sage Business Partners in the UK. We specialise in Sage CRM, Accounting and ERP systems with a client base extending from SME's Blue Chip companies across a wide range of market sectors.1995
NA50 - 2491995London, United KingdomUsing AI Tools
Co-Pilot
ITRM has been providing reliable, customer-centric and high-quality IT support services and solutions to a variety of businesses and sectors for over 27 years.We are an award-winning managed service provider, providing support to a wide range of business sectors across London, Kent, Bristol and surrounding home counties.We are more than IT support, we are an ... read ITRM reviews & insights
NA50 - 2491999London, United KingdomWhy ITRM?
- AI driven threat detection
- Strategic IT support
- Cutting edge cyber security
Using AI Tools
Claude
InfoCoreSys is a UK-based software development and digital consulting firm founded by Swapnil Rane, a seasoned technology professional with over 20 years of experience in enterprise digital transformation. Based in Milton Keynes, UK, InfoCoreSys delivers precision-crafted solutions that align technology with business strategy — from custom software development and cloud architecture to strategic IT consulting ... read InfoCoreSys reviews & insights
$25 - $49/hrFreelancer2023London, United KingdomWhy InfoCoreSys?
- Custom Software Built for Business Growth
- GDPR-Compliant & Secure Infrastructure
- Dedicated Support & Seamless Delivery
Get top-quality IT services for your business including network infrastructure, cloud computing, enterprise security, pen testing and cybersecurity.
NA50 - 2492015London, United KingdomFounded in 2019, Threems has evolved from a small group of like-minded freelancers into a dynamic collective of digital marketing and creative experts. Our mission is simple: to deliver top-quality digital marketing campaigns, automate systems that take care of the heavy lifting, and continuously push boundaries in the marketing landscape. Our Services, Tailored for You: ... read Threems Marketing Agency reviews & insights
NA10 - 492019London, United KingdomWe’re the integrated partner that goes beyond traditional IT support and services, providing you with the leadership, experience and resilience you need to transform and embrace the future of work. Business as unusual. We pride ourselves on our technical competence and have a talented, experienced team that sees the big picture and takes a business-first ... read Conosco reviews & insights
NA50 - 249London, United KingdomThrough our combined decade of industry experience, Now Cloud has had the honor of serving numerous small to medium-sized businesses since we started operating in 2013. We have a particular focus on consulting and support services. Our goal is to enable a quick and easy deployment of our technology so that the overall productivity of ... read Now Cloud reviews & insights
$25 - $49/hr10 - 492020London, United KingdomUsing AI Tools
Claude
Adappt is a UK-based software development company founded in 2011, headquartered in London. With 200+ specialists across dedicated teams, we deliver mission-critical software for organisations where failure isn't an option.Over 15 years, we have built and maintained 50+ platforms for clients including the World Health Organization, UK Home Office, LexisNexis, British Museum, Mizuho, and QinetiQ. ... read Adappt Ltd reviews & insights
$25 - $49/hr2 - 92011London, United KingdomWhy Adappt Ltd?
- ISO 27001 and ISO 9001 certified, UK-headquartere
- Dedicated teams that stay for years, not months.
- ISO certified. 50 mission-critical platforms.
Welcome to OD-Software, where we specialize in Fintech development services. Our expertise spans a range of offerings, including decision-making systems, data preparation, payment gateways, and payment orchestration, wealth management development services etc. As an IT company dedicated to web development and consulting, our primary mission is to deliver industry-standard software development services while deeply understanding ... read OD-Software reviews & insights
$25 - $49/hr10 - 492021London, United KingdomUsing AI Tools
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Securovix is a London-based creative technology studio helping startups and businesses scale through AI automation, software development, cyber security, and digital growth solutions.We specialize in building modern websites, SaaS platforms, AI-powered systems, mobile applications, and secure digital infrastructures tailored to business needs. Our mission is to simplify technology for growing businesses by providing design, development, ... read Securovix reviews & insights
$50 - $99/hr2 - 92026London, United KingdomWhy Securovix?
- AI-Driven Business Solutions
- End-to-End Tech Expertise
- Fast & Scalable Development
Using AI Tools
DeepSeek AI
Multilogin AI Commands
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GonzoProxy is a production-grade proxy infrastructure provider officially registered in the United Kingdom as GonzoProxy LTD. We operate a massive, ethically sourced P2P network of over 20 million real devices worldwide, providing IP addresses with natural usage history that are indistinguishable from regular home users.Our platform is the only provider in the industry to offer ... read GonzoProxy reviews & insights
NA10 - 492023London, United KingdomWhy GonzoProxy?
- Traffic never expires use gigabytes anytime
- 20M plus real devices ensure 90 percent safety
- No KYC policy start working in 30 seconds
TosHost is the leading hosting provider in the world and today TosHost is providing service among 50+ countries and we’ve 10,000+ domain registrations with good success rate. TosHost believes in customer satisfaction and they are giving 24 hours’ customer support for their reliable client to solve any problem within one support ticket only. TosHost utilize ... read Toshost reviews & insights
< $25/hr10 - 492013London, United KingdomTechnosmith Limited is a reputable business and IT consulting firm that offers a wide range of services to clients of all sizes. With a highly efficient team and a proven track record of working with multinational corporations, small and medium enterprises, and rapidly growing start-ups, Technosmith Limited serves as an end-to-end outsource solution partner for ... read Technosmith reviews & insights
$50 - $99/hr10 - 492024London, United KingdomWe are about providing software and services to a wide range of businesses. We are based in London and our company was established in 2004, but we are about more than just coldly delivering IT solutions. We are about building relationships with our clients, working together on projects to achieve your expectations, to help your ... read General Softwares Limited reviews & insights
$25 - $49/hr10 - 492008London, United KingdomSolid Rock IT UK is your go-to IT support company in London, providing top-notch onsite and remote IT services to businesses and residential customers alike. Our team of skilled engineers is dedicated to keeping your technology running smoothly, so you can focus on what matters most.
NA2 - 92011London, United KingdomUsing AI Tools
ChatGPT
Future Data Software Online Ltd is a UK-based technology and consulting company focused on AI readiness, data strategy, business intelligence and digital transformation planning.The company supports professionals, small businesses and organisations that want to understand, organise and use data more effectively before adopting advanced digital or AI-enabled tools. Its work includes AI readiness assessment, KPI ... read Future Data Software Online Ltd reviews & insights
$50 - $99/hr2 - 92025London, United KingdomWhy Future Data Software Online Ltd?
- Practical AI readiness frameworks
- Clear data and KPI planning
- Responsible, structured guidance
Blue Web a full service . There is no confusion that Blue Web is the best Digital marketing company in London. We tend to believe that we provide quality and on time deliver on your project. We have done several native and international web site with sensible name. Our aim to serve additionally in sensible ... read Blue Web UK reviews & insights
$25 - $49/hr2 - 92015London, United Kingdom
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