Top 100 Cybersecurity Companies in the United Kingdom
The Best of September 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.
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List of the Best United Kingdom Cybersecurity Consultants
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211Undisclosed50 - 249 employeesLisburn, Northern IrelandXperience is a cloud consulting & SI company. The team focuses on cloud consulting & SI and CRM consulting and SI and is located in Lisburn, Northern Ireland.Read More
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212Undisclosed50 - 249 employeesBracknell, EnglandTelana Limited is a midsize AI Agents company. Launched in 2003, the team focuses on AI Agents and AI Consulting.Read More
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213Undisclosed2 - 9 employeesLondon, EnglandLaunched in 2021, Social Media Experts Ltd is a small London, England-based Cybersecurity company. Their services include Cybersecurity and Internet & Technology Law.Read More
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214$1,000+10 - 49 employeesAdderbury, EnglandST Engineering Antycip, a custom software development firm, provides Custom Software Development and AR/VR development. The firm is headquartered in Argenteuil, France and Saronno, Italy.Read More
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215$1,000+10 - 49 employeesOxford, EnglandWeb development firm OWA Digital is based in Oxford, England and Fitzrovia, London, England. Their services include Web Development and Mobile App Development.Read More
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216$1,000+10 - 49 employeesLondon, EnglandDr Logic is an IT managed services company. Launched in 2003, the team provides IT managed services and Cybersecurity. The firm is based in London, England.Read More
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217$5,000+2 - 9 employeesdunstable, EnglandLegacy Cyber is a dunstable, England-based Cybersecurity company. The team offers Cybersecurity and Search Engine Optimization.Read More
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218$1,000+2 - 9 employeesLondon, EnglandCybersecurity company Custodia Cyber is headquartered in London, England. The team provides Cybersecurity and IT managed services.Read More
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219Undisclosed2 - 9 employeesBrookmans Park, EnglandLBM Cyber is a Cybersecurity and Corporate Training & Coaching company. The Brookmans Park, England-based firm offers Cybersecurity and Corporate Training & Coaching.Read More
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220Undisclosed50 - 249 employeesBishop's Stortford, EnglandIT managed services company ITVET is located in Bishop's Stortford, England and London, England. Launched in 2007, the team offers IT managed services and IT strategy consulting.Read More
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221Undisclosed10 - 49 employeesRochdale, EnglandIT managed services company No Fuss IT Ltd was established in 2018. The company provides IT managed services and Cybersecurity.Read More
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222$5,000+250 - 999 employeesNether Poppleton, EnglandTrustmarque Solutions Ltd is a Nether Poppleton, England-based big data company. They offer BI & big data consulting & SI and cloud consulting & SI.Read More
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223Undisclosed10 - 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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224$1,000+50 - 249 employeesDerby, EnglandSSG Business Services Pvt Ltd is an IT strategy consulting company launched in 2013. In Derby, England and Bengaluru, India, the team provides IT strategy consulting and Cybersecurity.Read More
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225$25,000+10 - 49 employeesSaltire Centre, ScotlandEmber is a small mobile application development company founded in 2016. Their services include Mobile App Development and API Development.Read More
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226Undisclosed2 - 9 employeesLondon, EnglandStreym Ltd is an IT strategy consulting company headquartered in London, England. They offer IT strategy consulting and Cybersecurity and were founded in 2006.Read More
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227Undisclosed250 - 999 employeesLincoln, EnglandLaunched in 2001, GCI is a data analytics company. The team offers BI & big data consulting & SI and cloud consulting & SI and is in Lincoln, England and Calder Grove, England.Read More
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228Undisclosed250 - 999 employeesLondon, EnglandZenzero is an IT managed services company. The midsize London, England-based team offers IT managed services and Cybersecurity. The company was established in 2004.Read More
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229$1,000+10 - 49 employeesEdinburgh, ScotlandTrace is a Business Consulting company. They are located in Edinburgh, Scotland and New York, New York, and their services include Business Consulting and Corporate Training & Coaching.Read More
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230Undisclosed10 - 49 employeesStockport, EnglandManchester IT Services Ltd is a small IT strategy consulting company launched in 1999. Their team offers IT strategy consulting and IT managed services.Read More
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231$1,000+10 - 49 employeesLondon, EnglandIG-Smart Ltd is a Cybersecurity company. Their team is located in London, England. The company specializes in Cybersecurity and IT managed services.Read More
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232Undisclosed10 - 49 employeesRipon, EnglandFresh Mango Technologies is a small IT managed services company established in 2000. Their team specializes in IT managed services and Cybersecurity.Read More
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233$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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234Undisclosed2 - 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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235Undisclosed50 - 249 employeesLondon, EnglandHeleCloud is a cloud consulting & SI company founded in 2016. The team provides cloud consulting & SI and IT managed services.Read More
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236Undisclosed50 - 249 employeesEly, EnglandGRC Solutions is an IT strategy consulting company headquartered in Ely, England. They specialize in IT strategy consulting and Cybersecurity.Read More
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237Undisclosed1,000 - 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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238Undisclosed250 - 999 employeesEast Ardsley, 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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239Undisclosed10 - 49 employeesStretford, EnglandCybersecurity company Aspire IT Services Ltd focuses on Cybersecurity and IT managed services. They are located in Stretford, England.Read More
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240Undisclosed10 - 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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