Top 20 Cybersecurity Companies in London
The Best of December 2025Looking 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.
List of the Best London Cybersecurity Consultants
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1$1,000+2 - 9 employeesLondon, CanadaRead More
Layer 7 IT Solutions is an IT and cloud company based in Mississauga, Canada, and founded in 2016. With over two members, they specialize in IT managed services, cybersecurity, and cloud consulting solutions for small and medium-sized businesses alike.
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Accurate FastenersIndustries
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2$1,000+10 - 49 employeesLondon, CanadaDigital Boundary Group is an Application Testing company. Established in 2003, the agency focuses on Application Testing and Cybersecurity.Read More
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3Undisclosed10 - 49 employeesLondon, CanadaCybersecurity company Asurtec Solutions Inc. Is headquartered in Toronto, Canada and London, Canada. Their services include Cybersecurity and IT managed services.Read More
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4Undisclosed50 - 249 employeesLondon, CanadaIn London, Canada, DirectMSP, a division of DirectDial.com is a midsize data analytics company. The team specializes in BI & big data consulting & SI and cloud consulting & SI.Read More
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5Undisclosed10 - 49 employeesLondon, CanadaGroupe CyberSwat, a Cybersecurity company, is located in London, Canada. Established in 2015, the team focuses on Cybersecurity and Corporate Training & Coaching.Read More
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6$1,000+10 - 49 employeesLondon, CanadaWestern I.T. Group, a small IT managed services company, is located in London, Canada. Their services include IT managed services and IT strategy consulting.Read More
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7$1,000+2 - 9 employeesLondon, CanadaOWL360IT, a small IT strategy consulting company, is located in London, Canada. Their services include IT strategy consulting and cloud consulting & SI.Read More
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8$5,000+250 - 999 employeesCambridge, CanadaRead More
F12.net is a Cybersecurity company. Launched in 1996, the midsize company is located in Edmonton, Canada; Calgary, Canada; Markham, Canada and Red Deer, Canada. Their services include Cybersecurity and IT managed services.
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Revelstoke Credit UnionIndustries
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9$5,000+10 - 49 employeesKitchener, CanadaReis Informatica is a Kitchener, Canada-based IT managed services company. The team provides IT managed services and Cybersecurity.Read More
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10$5,000+250 - 999 employeesCambridge, CanadaRead More
eSentire is a cybersecurity firm based in Cambridge, Canada. Founded in 2001, their team of around 430 employees provides managed IT and cybersecurity services.
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11$1,000+50 - 249 employeesBrantford, CanadaThe DigiSparrow is a SEO services firm. Their midsize team is headquartered in Brantford, Canada and Hamilton, Canada. Their services include Search Engine Optimization and Web Design.Read More
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12$1,000+10 - 49 employeesKitchener, CanadaMegawire Inc is an IT managed services company. The Kitchener, Canada-based company was launched in 1998. Their services include IT managed services and IT strategy consulting.Read More
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13Undisclosed10 - 49 employeesKitchener, CanadaReis Informatica is an IT strategy consulting company founded in 2008. Their services include IT strategy consulting and cloud consulting & SI.Read More
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14$5,000+10 - 49 employeesKitchener, CanadaPund-IT Inc is a Digital Strategy company. Their small team of employees is headquartered in Kitchener, Canada. Their team offers Digital Strategy and IT managed services.Read More
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15Undisclosed2 - 9 employeesWaterloo, CanadaData Perceptions Inc., an IT managed services company, was launched in 1993. The team offers IT managed services and Cybersecurity.Read More
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16Undisclosed10 - 49 employeesCambridge, CanadaFounded in 1998, Sabre Limited is a cloud consulting & SI company. The small team specializes in cloud consulting & SI and Cybersecurity.Read More
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17$10,000+2 - 9 employeesKitchener, CanadaScalar Software is a small Kitchener, Canada-based cloud consulting & SI company. The team focuses on cloud consulting & SI and Cybersecurity.Read More
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18$25,000+2 - 9 employeesWaterloo, CanadaBased in Waterloo, Canada, CopperTree Solutions Inc is an IT managed services company. They focus on IT managed services and Cybersecurity and were established in 2013.Read More
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19Undisclosed2 - 9 employeesBrantford, CanadaParonubi is a Cybersecurity company. The team provides Cybersecurity and IT managed services and is based in Toronto, Canada and Brantford, Canada.Read More
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20Undisclosed2 - 9 employeesWaterloo, CanadaBinary Tattoo Inc is a Waterloo, Canada-based Compliance Consulting company. The team provides Compliance Consulting and Cybersecurity.Read More
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21$1,000+2 - 9 employeesSarnia, CanadaPrometheon Inc. Is a Cybersecurity company. They provide Cybersecurity and IT strategy consulting and were established in 2023. The firm is based in Sarnia, Canada.Read More
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22Undisclosed2 - 9 employeesWaterloo, CanadaWaterloo Intuition is a cloud consulting & SI company. The Waterloo, Canada-based team focuses on cloud consulting & SI and ERP consulting and SI.Read More
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23$1,000+2 - 9 employeesSarnia, CanadaDark Sector Technologies Inc. Is a Sarnia, Canada-based Cybersecurity company. Their services include Cybersecurity and IT managed services.Read More
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24Undisclosed10 - 49 employeesWaterloo, CanadaAccendum LLC is a small AI Consulting company established in 2023. Their team provides AI Consulting and IT strategy consulting.Read More
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