Top 7 Penetration Testing Companies in Northern Ireland
The Best of December 2025Looking for a top penetration testing company in Northern Ireland?
Having vulnerable security poses a threat to your organization. In an age where data has become some of the most important assets that your company will have, improving security measures is always a must. Penetration testing aims to solve this problem by simulating real-life security breaches without the risk of an actual cyberattack. Also known as ethical hacking, this process helps identify weak spots within your IT network infrastructure by applying methods that real attackers would use.
A penetration testing company can assist you in determining your security vulnerabilities. Doing so will provide you with the information that you need to fortify your cybersecurity. Hiring the right penetration testing company can give you a significant advantage in safekeeping your virtual assets.
To assist you in your search for a partner, we’ve compiled this list of the top penetration testing services in Northern Ireland. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Northern Ireland Penetration Testing Services
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1Undisclosed10 - 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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2$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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3Undisclosed10 - 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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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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6$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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7Undisclosed250 - 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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