Top 10 Cybersecurity Companies in Northern Ireland
The Best of December 2025Looking for a top cybersecurity consultant in Northern 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 Northern Ireland. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Northern Ireland Cybersecurity Consultants
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1Undisclosed10 - 49 employeesDoogary, Northern IrelandLoughTec IT · Cyber Security, a Cybersecurity company, focuses on Cybersecurity and IT managed services. The agency is in Doogary, Northern Ireland.Read More
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2Undisclosed10 - 49 employeesBelfast, Northern IrelandSmall Cybersecurity and IT managed services company Nimbus, is located in Belfast, Northern Ireland. Their services include Cybersecurity and IT managed services.Read More
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3$5,000+2 - 9 employeesBelfast, Northern IrelandFounded in 2006, Vertical Structure is a cloud consulting & SI company. The team specializes in cloud consulting & SI and Cybersecurity.Read More
Industries
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4Undisclosed2 - 9 employeesBangor, Northern IrelandFounded in 2024, INNOSEC is a small IT strategy consulting company. Their team offers IT strategy consulting and cloud consulting & SI.Read More
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5Undisclosed10 - 49 employeesBelfast, Northern IrelandITMS Ireland is a small IT managed services and Cybersecurity company located in Belfast, Northern Ireland. Their services include IT managed services and Cybersecurity.Read More
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6Undisclosed10 - 49 employeesBelfast, Northern 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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7Undisclosed2 - 9 employeesColeraine, Northern IrelandCauseway IT Services is a Cybersecurity company. Founded in 2023, the team focuses on Cybersecurity and cloud consulting & SI.Read More
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8Undisclosed50 - 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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9$1,000+10 - 49 employeesBelfast, Northern IrelandIT managed services company Euro Systems offers IT managed services and cloud consulting & SI. They were founded in 2009.Read More
Industries
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10Undisclosed10 - 49 employeesBelfast, Northern 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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11$50,000+1,000 - 9,999 employeesPlano, TXRead More
IT strategy consulting and other IT consulting and SI company Black Box is headquartered in. The company provides IT strategy consulting and other IT consulting and SI and is large.The company was established in 1976.
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12Undisclosed250 - 999 employeesBelfast, Northern IrelandSilverSky is a Cybersecurity company. They are headquartered in Morrisville, North Carolina and Milford, Connecticut. Their team offers Cybersecurity.Read More
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