Top 100 Cybersecurity Companies in the United Kingdom
The Best of November 2026Looking for a top cybersecurity consultant in the United Kingdom?
Check out our list of the best cybersecurity consulting companies to choose a partner that can secure your company. Preventing data breaches should be the top security priority for all businesses in the digital age.
To assist you in your search for a partner, we’ve compiled this list of the top cybersecurity consulting companies in United Kingdom. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best United Kingdom Cybersecurity Consultants
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61$1,000+10 - 49 employeesEdinburgh, ScotlandRead More
Managed IT Experts Ltd. Is a small CRM consulting and SI company. The Edinburgh, United Kingdom-based company was established in 2005. Their services include CRM consulting and SI, IT managed services, cybersecurity, BI & big data consulting & SI, and more.
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62$10,000+10 - 49 employeesStaines-upon-Thames, EnglandIntelance - Technology, AI and cyber advisory and assurance is a Cybersecurity company. Their small team is located in Staines-upon-Thames, England and focuses on Cybersecurity, IT strategy consulting, AI Consulting, Custom Software Development, and more. The agency was established in 2017.Read More
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63$1,000+10 - 49 employeesLondon, EnglandRead More
SonicFast is a hosting solutions provider founded in 2015 in London and with about 5 employees on board. Their main services include cybersecurity, cloud consulting and systems integration, IT managed services, and business intelligence. They mostly cater to small businesses in telecommunications, IT, and gaming industries.
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64$5,000+2 - 9 employeesStaines-upon-Thames, EnglandCompliance Consulting company KEW DATA was launched in 2023. They are headquartered in Staines-upon-Thames, England and have a small team. Their services include Compliance Consulting, Internet & Technology Law, and Cybersecurity.Read More
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65$25,000+50 - 249 employeesLondon, EnglandCloudcomputing is a Cybersecurity company. The midsize Lisboa, Portugal-based team offers Cybersecurity. The company was launched in 2010.Read More
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66$1,000+2 - 9 employeesWembley, EnglandVUPAX Solutions Limited, an user experience design company, was founded in 2025. Their small team is based in Wembley, England. Their services include UX/UI Design, cloud consulting & SI, Cybersecurity, Custom Software Development, and more.Read More
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67$25,000+1,000 - 9,999 employeesMilton, EnglandDarktrace is a Milton, England-based Cybersecurity company. Founded in 2013, the team provides Cybersecurity.Read More
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68$5,000+50 - 249 employeesLondon, EnglandWavex Technology Ltd, an IT managed services company, was established in 1998. The firm offers IT managed services, cloud consulting & SI, IT strategy consulting, Cybersecurity, and more and has a midsize team. The firm is in London, England.Read More
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69Undisclosed10 - 49 employeesGlasgow, ScotlandIndigo Unified Communications is an IT managed services company founded in 2018. The small Glasgow, Scotland-based team offers IT managed services, unified communications consulting & SI, Cybersecurity, and IT strategy consulting.Read More
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70Undisclosed1,000 - 9,999 employeesLondon, EnglandRead More
ValueLabs is a global business technology services and solutions provider based in Hyderabad, India with over 25 offices worldwide in the US, Europe, and Asia. Founded in 1997, ValueLabs' team of over 5,000 employees provides non-voice BPO/back office services and voice/call center capabilities.
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71Undisclosed10 - 49 employeesBarlborough, EnglandAAG is an IT managed services company. Their small team is in Barlborough, United Kingdom and Sheffield, United Kingdom and focuses on IT managed services, IT strategy consulting, and cybersecurity. The firm was established in 2009.Read More
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72$1,000+10 - 49 employeesManchester, EnglandRead More
Apex Computing Services Ltd is an IT managed services company. Their small team is headquartered in Manchester, United Kingdom and Salford, United Kingdom. The company offers IT managed services, IT strategy consulting, cloud consulting & SI, and cybersecurity. The company was launched in 2003.
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73$10,000+50 - 249 employeesLondon, EnglandAI Consulting company T3 was launched in 2023. The agency offers AI Consulting, Artificial Intelligence, Generative AI, AI Agents, and more and has a midsize team.Read More
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74$1,000+10 - 49 employeesBishop's Stortford, EnglandRead More
Genmar (UK) Ltd is a small IT managed services company. Founded in 1996, the agency is located in Bishop's Stortford, United Kingdom. Their team focuses on IT managed services, voice services, cloud consulting & SI, cybersecurity, and more.
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75$50,000+10 - 49 employeesLondon, EnglandFounded in 2023, Opstergo is a cloud consulting & SI company. The small Zagreb, Croatia-based team specializes in cloud consulting & SI, devops managed services, and cybersecurity.Read More
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76$5,000+50 - 249 employeesLondon, EnglandCovertSwarm is a Cybersecurity company based in London, England and Wilmington, Delaware. Founded in 2020, the team provides Cybersecurity.Read More
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77$1,000+50 - 249 employeesLondon, EnglandWQsoftwares, a Marketing Strategy company, was established in 2014. The midsize team provides Marketing Strategy and cloud consulting & SI.Read More
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78Undisclosed250 - 999 employeesLondon, EnglandFounded in 1986, Online Business Systems is a Cybersecurity company. The team specializes in Cybersecurity and IT strategy consulting.Read More
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79Undisclosed2 - 9 employeesNottingham, EnglandCybersecurity company Collective Security is based in Nottingham, England. Their services include Cybersecurity and other IT consulting and SI.Read More
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80Undisclosed10 - 49 employeesHarrogate, EnglandData Connect Group is a Cybersecurity company. Their small team is located in Harrogate, England. Their services include Cybersecurity.Read More
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81$1,000+10 - 49 employeesLondon, EnglandCyberSRC Consultancy LLP is a Cybersecurity company. The team provides Cybersecurity and Application Testing and is headquartered in Noida, India and London, England.Read More
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82$1,000+10 - 49 employeesLondon, EnglandRead More
Altahonos is a digital reputation company based in London with offices in San Francisco and Istanbul. The company, founded in 2017, has a team of more than ten that provides cybersecurity, branding, digital strategy, SEO, and IT strategy consulting services to various clients and companies.
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Jasper's Info TechIndustries
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83$25,000+1,000 - 9,999 employeesLondon, EnglandNetsol Technologies Inc. Is a Cybersecurity company. Based in Los Angeles, California and London, England, the team specializes in Cybersecurity and cloud consulting & SI.Read More
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84Undisclosed250 - 999 employeesNottingham, EnglandLittlefish Group is an IT managed services company. Their midsize team is located in Nottingham, England; Sheffield, England and London, England. The company specializes in IT managed services, Cybersecurity, IT strategy consulting, and cloud consulting & SI.Read More
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85$250,000+2 - 9 employeesLondon, EnglandSanRa is a Cybersecurity company established in 2022. The small team specializes in Cybersecurity.Read More
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86$10,000+50 - 249 employeesDunstable, EnglandCyberGlobal is a Cybersecurity company. The Dunstable, England-based company was launched in 2017. Their team provides Cybersecurity and AI Consulting.Read More
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87$25,000+10 - 49 employeesLondon, EnglandEstablished in 2019, DigiTaiken, a small Product Design company, is headquartered in London, England and Bengaluru, India. Their services include Product Design and Cybersecurity.Read More
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88Undisclosed250 - 999 employeesLondon, EnglandProfessional Advantage is a midsize ERP consulting and SI company in North Sydney, Australia and Melbourne, Australia. Their services include ERP consulting and SI and cloud consulting & SI.Read More
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89$1,000+50 - 249 employeesLondon, EnglandMidsize Cybersecurity company Clear Infosec, is based in Jersey City, New Jersey and Toronto, Canada. The team focuses on Cybersecurity and IT strategy consulting.Read More
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90$1,000+10 - 49 employeesBasingstoke, EnglandCybersecurity company Censornet was founded in 2005. Based in Basingstoke, England and Brøndby, Denmark, the team focuses on Cybersecurity.Read More
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