Top 100 Cybersecurity Consulting Services in London
The Best of April 2026Looking for a top cybersecurity consultant in London?
With their comprehensive approach to security, including vulnerability assessments, penetration testing, and security awareness training, cybersecurity consulting services help businesses identify and address security vulnerabilities before they can be exploited. By collaborating with cybersecurity consultants, businesses can maintain an edge over their competitors by keeping risks to finances and reputation at bay.
To assist you in your search for a partner, we’ve compiled this list of the top cybersecurity consulting firms in London. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best London Cybersecurity Consultants
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61Undisclosed10 - 49 employeesCity of London, EnglandLabyrinth Technology is an IT strategy consulting company. Established in 2001, the firm provides IT strategy consulting and cloud consulting & SI.Read More
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62Undisclosed10 - 49 employeesHounslow, EnglandPacific Infotech UK Ltd is a Hounslow, United Kingdom-based branding company. The small team offers branding, web design, ux/ui design, IT strategy consulting, and more and was launched in 2003.Read More
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63Undisclosed50 - 249 employeesLondon, EnglandUBDS Digital is a cloud consulting & SI company in London, England. Their services include cloud consulting & SI and Cybersecurity.Read More
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64$5,000+50 - 249 employeesLondon, EnglandCybersecurity company Cybernoq LTD is headquartered in London, England. Their services include Cybersecurity and IT managed services.Read More
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65Undisclosed2 - 9 employeesCity of London, EnglandJAW Consulting UK is a Cybersecurity company. They were launched in 2008, and their services include Cybersecurity and IT managed services.Read More
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66Undisclosed2 - 9 employeesLondon, EnglandFounded in 2011, 2|SEC Consulting is a Cybersecurity company. The small team focuses on Cybersecurity and Application Testing.Read More
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67Undisclosed2 - 9 employeesCity of London, EnglandHexwired Recruitment, an Advertising company, is located in City of London, England. They focus on Advertising and Cybersecurity and were launched in 2020.Read More
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68Undisclosed50 - 249 employeesLondon, EnglandCybersecurity company ONEiO is based in Helsinki, Finland and London, England. They specialize in Cybersecurity and IT managed services.Read More
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69$1,000+2 - 9 employeesLondon, EnglandCybersecurity company Dreadsec Ltd is headquartered in London, England. The team offers Cybersecurity.Read More
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70Undisclosed10 - 49 employeesLondon, EnglandFounded in 2018, Principle Networks Ltd, a small Cybersecurity company, is located in London, England. Their services include Cybersecurity and cloud consulting & SI.Read More
Clients
Hill Dickinson LLP Iris Software Hargreaves Services Plc Buzz BingoIndustries
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71Undisclosed10 - 49 employeesLondon, EnglandBlinx Technology Ltd is an IT strategy consulting company. They are located in London, England and New York, New York and have small team. They focus on IT strategy consulting and IT managed services.Read More
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72Undisclosed10 - 49 employeesLondon, EnglandBramfitt Technology Labs is a London, England-based Cybersecurity company. Their services include Cybersecurity and UX/UI Design.Read More
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73Undisclosed2 - 9 employeesLondon, EnglandMesoform Limited is an IT strategy consulting company headquartered in London, England. They focus on IT strategy consulting and cloud consulting & SI and were launched in 2016.Read More
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74Undisclosed2 - 9 employeesLondon, EnglandKiktronik Limited is a small London, England-based Cybersecurity company. Their services include Cybersecurity and IT managed services.Read More
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75Undisclosed2 - 9 employeesLondon, EnglandLocated in London, England, TestPro Consulting Ltd is a small Cybersecurity company. Their services include Cybersecurity and Artificial Intelligence.Read More
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76Undisclosed10 - 49 employeesCity of London, EnglandAppsecco is a Cybersecurity company launched in 2015. The company provides Cybersecurity.Read More
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77Undisclosed10 - 49 employeesLondon, EnglandLT Harper is a London, England-based cloud consulting & SI company. They focus on cloud consulting & SI and Cybersecurity.Read More
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78Undisclosed10 - 49 employeesLondon, EnglandGlobal Institute For Digital Competitiveness - GIDCOMP is a London, England-based business intelligence company. Their services include BI & big data consulting & SI and Cybersecurity.Read More
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79Undisclosed50 - 249 employeesFarnborough, EnglandForesite Cybersecurity is a Cybersecurity company. Their midsize team is based in Overland Park, Kansas and Farnborough, England and specializes in Cybersecurity, Compliance Consulting, cloud consulting & SI, and IT managed services. The agency was launched in 2013.Read More
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80Undisclosed2 - 9 employeesCity of London, EnglandHeadquartered in City of London, England, D-Wall IT Solutions Ltd is a web design agency. They focus on Web Design and IT strategy consulting and were established in 2021.Read More
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81Undisclosed2 - 9 employeesLondon, EnglandHAXR is a Blockchain company. The London, England-based company was established in 2021. Their services include Blockchain and Cybersecurity.Read More
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82Undisclosed2 - 9 employeesLondon, EnglandIT strategy consulting company PrivacySolved provides IT strategy consulting and Cybersecurity. They are in London, England.Read More
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83Undisclosed250 - 999 employeesOldbury, EnglandA&O IT Group is a Cybersecurity company headquartered in Oldbury, England. They focus on Cybersecurity and were founded in 1963.Read More
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84UndisclosedFreelancer employeesLeatherhead, EnglandData GRC Ltd is an IT strategy consulting company. Founded in 2017, the team provides IT strategy consulting and Cybersecurity. The agency is headquartered in Leatherhead, England.Read More
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85$5,000+50 - 249 employeesGuildford, EnglandRamsac is an IT strategy consulting company. Headquartered in Guildford, England, the firm was founded in 1992. Their team offers IT strategy consulting and cloud consulting & SI.Read More
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86Undisclosed10 - 49 employeesKings Hill, EnglandIT Backbone Limited, an IT managed services company, specialize in IT managed services and Cybersecurity. They were launched in 2008.Read More
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87$10,000+50 - 249 employeesMeppershall, EnglandCentrality is a Cybersecurity company. Headquartered in Meppershall, England, the firm specializes in Cybersecurity and IT strategy consulting.Read More
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88Undisclosed2 - 9 employeesHorsham, EnglandCybersecurity company PocketSIEM is located in Horsham, England. They specialize in Cybersecurity and were established in 2019.Read More
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89Undisclosed10 - 49 employeesBrighton, EnglandIngenio Technologies is an IT managed services company. The Brighton, England-based agency specializes in IT managed services and IT strategy consulting.Read More
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90Undisclosed250 - 999 employeesShoreham-by-Sea, EnglandFocus Group , a cloud consulting & SI company, provide cloud consulting & SI and unified communications consulting & SI. They were founded in 2003.Read More
Industries
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