Top 100 Cybersecurity Companies in London
The Best of October 2026Looking for a top cybersecurity consultant in London?
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 London. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
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List of the Best London Cybersecurity Consultants
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121$5,000+50 - 249 employeesLondon, EnglandOryxAlign is a midsize IT strategy consulting company. They provide IT strategy consulting and cloud consulting & SI and were founded in 2006.Read More
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122Undisclosed2 - 9 employeesLondon, EnglandNetworkIQ, an IT strategy consulting company, was established in 2009. The team focuses on IT strategy consulting and Cybersecurity and is in London, England.Read More
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123Undisclosed1,000 - 9,999 employeesLondon, EnglandColt Technology Services, an other IT consulting and SI company, is located in London, England and Amsterdam, Netherlands. Their services include other IT consulting and SI and Call Center Services.Read More
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124Undisclosed250 - 999 employeesLondon, EnglandSharp Business Systems UK Plc is an IT managed services company. The East Ardsley, England-based agency was established in 1964. Their services include IT managed services and Cybersecurity.Read More
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125$5,000+10 - 49 employeesLondon, EnglandDamte Solutions is a Cybersecurity company established in 2025. The firm specializes in Cybersecurity and Application Management & Support, and is small.Read More
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126Undisclosed10 - 49 employeesLondon, EnglandCloudscape IT Support London, a cloud consulting & SI company, was founded in 2002. The agency specializes in cloud consulting & SI and IT managed services, and is small.Read More
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127$250,000+50 - 249 employeesShadwell, EnglandSpeedster IT, an IT strategy consulting company, was founded in 2014. The team offers IT strategy consulting and cloud consulting & SI.Read More
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128Undisclosed1,000 - 9,999 employeesLondon, EnglandFORVIS is an Accounting company established in 1923. Their team offers Accounting and Business Consulting.Read More
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129$250,000+50 - 249 employeesLondon, EnglandFounded in 2019, ParsBiz is an advertising company. Their midsize team is in Santa Monica, California; Paris, France; München, Germany and Madrid, Spain. Their team provides advertising, branding, social media marketing, content marketing, and more.Read More
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130Undisclosed2 - 9 employeesLondon, EnglandEstablished in 2025, Fig Group is a small London, England-based Cybersecurity company. Their team offers Cybersecurity and IT strategy consulting.Read More
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131$1,000+50 - 249 employeesLondon, EnglandLaunched in 2011, TD Web Services is a midsize London, England-based cloud consulting & SI company. Their team focuses on cloud consulting & SI and IT managed services.Read More
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132Undisclosed10 - 49 employeesLondon, EnglandLaunched in 2017, Hazy is a small big data company. Their services include BI & big data consulting & SI and Artificial Intelligence.Read More
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133$5,000+10 - 49 employeesLondon, EnglandLaunched in 2002, zsah Limited is a cloud consulting & SI company. The team offers cloud consulting & SI and BI & big data consulting & SI.Read More
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134$1,000+10 - 49 employeesLondon, EnglandEstablished in 2018, Anika Tech Support, a small IT managed services company, is in London, England. Their team specializes in IT managed services and IT strategy consulting.Read More
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135$1,000+10 - 49 employeesBeckenham, EnglandGregory Micallef Associates is an IT managed services company. They offer IT managed services and Call Center Services and were launched in 1992.Read More
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136Undisclosed10 - 49 employeesCity of London, EnglandLaunched in 2004, Cubit Technology is a small City of London, England-based IT strategy consulting company. Their services include IT strategy consulting and cloud consulting & SI.Read More
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137Undisclosed50 - 249 employeesLondon , EnglandPenguin Commercial Limited, a Corporate Travel Management company, is located in London , England. The team focuses on Corporate Travel Management and IT managed services.Read More
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138$5,000+10 - 49 employeesLondon, EnglandMSAdvance is a cloud consulting & SI company. Based in Madrid, Spain and New York, New York, their small team focuses on cloud consulting & SI and Cybersecurity. The firm was launched in 2010.Read More
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139Undisclosed10 - 49 employeesLondon, EnglandNetwork Squad LTD is an IT strategy consulting company in London, England. They focus on IT strategy consulting and cloud consulting & SI.Read More
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140Undisclosed50 - 249 employeesLondon, EnglandEstablished in 2000, Enterprise Outsourcing is a cloud consulting & SI company. The team offers cloud consulting & SI and Cybersecurity and is based in Sandton, South Africa and Melbourne, Australia.Read More
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141$5,000+10 - 49 employeesTwickenham, England2mghealthcare is a small Twickenham, England-based Cybersecurity company. The team focuses on Cybersecurity and IT strategy consulting.Read More
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142$1,000+2 - 9 employeesLondon, EnglandDatSov is a Cybersecurity company. Launched in 2022, the agency offers Cybersecurity and cloud consulting & SI.Read More
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143Undisclosed10 - 49 employeesWalton-on-Thames, EnglandET Works is an IT strategy consulting company based in Walton-on-Thames, England and Hokksund, Norway. Their services include IT strategy consulting and cloud consulting & SI.Read More
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144$5,000+10 - 49 employeesLondon, EnglandInvotyx, an AI company, was launched in 2013. They specializes in Artificial Intelligence and Generative AI.Read More
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145$1,000+10 - 49 employeesLondon, England360 Softtec is a London, England-based IT managed services company. They provide IT managed services and Cybersecurity and were launched in 2003.Read More
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146$1,000+2 - 9 employeesLondon, EnglandFounded in 2023, WhizzIT is a small IT managed services company in London, England and Stevenage, England. Their team offers IT managed services and Cybersecurity.Read More
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147Undisclosed10 - 49 employeesDartford, EnglandCortec IT, a social media marketing firm, is in Dartford, England. They focus on Social Media Marketing and Search Engine Optimization.Read More
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148$50,000+2 - 9 employeesLondon, EnglandMVR IT Limited, a data analytics company, was launched in 2014. The firm specializes in BI & big data consulting & SI and cloud consulting & SI, and is small.Read More
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149$5,000+10 - 49 employeesCarshalton, EnglandGoodChoice IT Ltd is a small IT managed services company headquartered in Carshalton, England. The team focuses on IT managed services and Cybersecurity.Read More
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150$1,000+10 - 49 employeesLondon, EnglandAverox Solutions Limited. Is an IT strategy consulting company. The team provides IT strategy consulting and Cybersecurity and is headquartered in London, England and Wilmington, Delaware.Read More
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