Top 100 Cybersecurity Companies in Ireland
The Best of December 2025Looking for a top cybersecurity consultant in Ireland?
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 Ireland. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Ireland Cybersecurity Consultants
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31Undisclosed10 - 49 employeesDublin, IrelandLaunched in 2010, Threatscape is a Cybersecurity and IT managed services company. The team focuses on Cybersecurity and IT managed services.Read More
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32Undisclosed10 - 49 employeesDublin, IrelandCyber Guarded Ltd is a cloud consulting & SI and Cybersecurity company. Founded in 2006, the team offers cloud consulting & SI and Cybersecurity.Read More
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33$1,000+2 - 9 employeesDublin, IrelandRadium Technologies Ltd is a Dublin, Ireland-based IT managed services company. The team provides IT managed services and cloud consulting & SI.Read More
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34Undisclosed2 - 9 employeesNewcastle, IrelandLaunched in 2024, Quantum Harbour IT Systems Limited is a web design agency. Their team offers Web Design and IT strategy consulting.Read More
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35$5,000+50 - 249 employeesKilkenny, IrelandLaunched in 2001, CipherTechs, Inc. Is a Cybersecurity company. Based in New York, New York and Kilkenny, Ireland, the team specializes in Cybersecurity and IT managed services.Read More
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36$1,000+2 - 9 employeesDublin, IrelandSynoptic Communications is an IT managed services company launched in 2013. Their team focuses on IT managed services and IT strategy consulting.Read More
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37Undisclosed2 - 9 employeesSligo, IrelandFounded in 2015, Enterprise Defence is a Cybersecurity company. Their team focuses on Cybersecurity and IT managed services.Read More
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38$10,000+10 - 49 employeesDublin, IrelandTetra Technology, an user experience design agency, was launched in 2018. The agency specializes in UX/UI Design and BI & big data consulting & SI.Read More
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39Undisclosed10 - 49 employeesDublin, IrelandGrouper is a CRM consulting and SI company. Headquartered in Dublin, Ireland and London, England, the team focuses on CRM consulting and SI and Cybersecurity.Read More
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40Undisclosed10 - 49 employeesDublin, IrelandEVAD Technology Group is a Cybersecurity company. In Dublin, Ireland, their small team provides Cybersecurity and IT managed services. The agency was established in 2005.Read More
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41Undisclosed10 - 49 employeesDublin 12, IrelandLandmark Technologies Ltd is a Cybersecurity company. Headquartered in Dublin 12, Ireland, the agency provides Cybersecurity and IT managed services.Read More
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42Undisclosed50 - 249 employeesCork, IrelandCloud consulting & SI company Ortus - Managed IT & Cloud is in Cork, Ireland. They specialize in cloud consulting & SI and IT managed services.Read More
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43Undisclosed10 - 49 employeesSwords, IrelandDefinitive, a cloud consulting & SI company, is headquartered in Swords, Ireland. They offer cloud consulting & SI and Cybersecurity.Read More
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44Undisclosed10 - 49 employeesDublin, IrelandCloud consulting & SI company Calnet IT Solutions is located in Dublin, Ireland. They specialize in cloud consulting & SI and Cybersecurity and were established in 2003.Read More
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45Undisclosed2 - 9 employeesCo. Kildare, IrelandRochfort Technology Management is a Cybersecurity company. Based in Co. Kildare, Ireland, their team offers Cybersecurity and IT managed services.Read More
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46Undisclosed10 - 49 employeesDublin, IrelandBlackfoot Cybersecurity is a Cybersecurity company. Headquartered in Dublin, Ireland, their small team specializes in Cybersecurity and IT managed services. The company was established in 2008.Read More
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47UndisclosedFreelancer employeesDublin, IrelandBH Consulting is a Cybersecurity and Business Consulting company. Their small team of employees is based in Dublin, Ireland. Their team specializes in Cybersecurity and Business Consulting.Read More
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48Undisclosed50 - 249 employeesDublin 18, IrelandArkphire is a business intelligence company established in 1961. Their team provides BI & big data consulting & SI and cloud consulting & SI.Read More
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49Undisclosed50 - 249 employeesDublin, IrelandCloud consulting & SI company Kontex was launched in 2015. The firm specializes in cloud consulting & SI and Cybersecurity.Read More
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50Undisclosed50 - 249 employeesDublin, IrelandTriangle Technology Services is an IT strategy consulting company. They offer IT strategy consulting and cloud consulting & SI and were established in 2002.Read More
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51$1,000+2 - 9 employeesDublin 1, IrelandKonfitech AS, a business intelligence company, was founded in 2023. The firm provides BI & big data consulting & SI, cybersecurity, IT managed services, custom software development, and more and has a small team.Read More
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52Undisclosed250 - 999 employeesCork, IrelandKeeper Security, a Cybersecurity company, was established in 2011. The company provides Cybersecurity and cloud consulting & SI.Read More
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53Undisclosed2 - 9 employeesNenagh, IrelandIrish Computers is an IT managed services company. Their team is based in Nenagh, Ireland. The company provides IT managed services and Cybersecurity.Read More
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54Undisclosed2 - 9 employeesCo. Donegal, IrelandPerita Business Solutions is an IT managed services company. Established in 2019, the firm provides IT managed services and Cybersecurity.Read More
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55Undisclosed10 - 49 employeesDublin, IrelandGrant Thornton Ireland is a Back Office Outsourcing company founded in 1924. The team specializes in Back Office Outsourcing and Finance & Accounting Outsourcing (FAO).Read More
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56Undisclosed10 - 49 employeesDublin, IrelandBusiness Change Services is a Business Consulting company. Their team is based in Dublin, Ireland and offers Business Consulting and BI & big data consulting & SI.Read More
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57Undisclosed10 - 49 employeesDublin, IrelandFounded in 1976, HLB Ireland is a big data company. Their team provides BI & big data consulting & SI and Cybersecurity.Read More
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58Undisclosed10 - 49 employeesDublin, IrelandInfinity IT is a cloud consulting & SI company. Launched in 2002, the firm is headquartered in Dublin, Ireland and Cork, Ireland. Their team specializes in cloud consulting & SI and Cybersecurity.Read More
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59Undisclosed50 - 249 employeesDublin, IrelandCloud consulting & SI company DigitalWell was founded in 2007. The midsize team specializes in cloud consulting & SI and unified communications consulting & SI.Read More
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60Undisclosed250 - 999 employeesDublin 18, IrelandIntegrity360 is a Cybersecurity company. The Dublin 18, Ireland-based firm was founded in 2005. Their team provides Cybersecurity and IT managed services.Read More
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