Top 100 Penetration Testing Services
The Best of April 2026Looking for a top penetration testing company?
Also known as ethical hacking, penetration testing deals with testing computer systems, networks, and web applications to identify security vulnerabilities. Pen testing simulates real-life security attacks to determine areas that attackers could exploit. Ultimately, it highlights the weaknesses of your company’s IT infrastructure and makes it easier to identify the necessary steps to prevent security breaches.
Hiring a penetration testing company will give you a strategic advantage in bolstering organizational security. Since there are many tools and resources involved in executing penetration tests, working with a penetration testing agency can save you both money and time.
That's why we've created this list of the best penetration testing services for you to review. Read through company descriptions, former clients, and notable projects to find the best fit for your business.
Jump to Most Reviewed Companies
List of the Best Penetration Testing Companies
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2941Undisclosed10 - 49 employeesEdgewater, MDJFL Consulting, LLC. Is an IT managed services and Cybersecurity company launched in 2006. The small team focuses on IT managed services and Cybersecurity.Read More
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2942Undisclosed10 - 49 employeesWashington, DCLaunched in 2013, Cambridge Global Advisors is a small Washington, District of Columbia-based Cybersecurity company. Their services include Cybersecurity and BI & big data consulting & SI.Read More
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2943Undisclosed10 - 49 employeesOdessa, FLKastellum Group, LLC is a Cybersecurity company in Odessa, Florida. They focus on Cybersecurity and IT managed services and were established in 2013.Read More
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2944Undisclosed10 - 49 employeesReston, VA3Soft USA, Inc., a cloud consulting & SI and Cybersecurity company, was founded in 1997. The company offers cloud consulting & SI and Cybersecurity.Read More
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2945Undisclosed10 - 49 employeesRandallstown, MDTeleniX Corporation is a software development firm and Cybersecurity company established in 1991. Their team focuses on Custom Software Development and Cybersecurity.Read More
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2946Undisclosed10 - 49 employeesOak Park, MIGlobal Solutions Group, Inc. Is a Cybersecurity company headquartered in Oak Park, Michigan. They specialize in Cybersecurity and IT managed services and were launched in 2003.Read More
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2947Undisclosed10 - 49 employeesShanghai, ChinaSEIRIM is a SEO company. The Shanghai, China-based firm was founded in 2012. Their services include Search Engine Optimization and Web Design.Read More
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2948Undisclosed10 - 49 employeesAtlanta, GAIntellectual Concepts, LLC is a Cybersecurity company. The team focuses on Cybersecurity and IT managed services and is headquartered in Atlanta, Georgia.Read More
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2949Undisclosed10 - 49 employeesSouthfield, MIKeizer Solutions Inc. Is a small Back Office Outsourcing company. Established in 2010, the team specializes in Back Office Outsourcing and Cybersecurity.Read More
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2950Undisclosed10 - 49 employeesFS Group is a small Cybersecurity company located in Odesa, Ukraine. Their services include Cybersecurity and IT strategy consulting.Read More
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2951Undisclosed10 - 49 employeesCity of London, EnglandCybersecurity and IT managed services company Connect Digital Security was launched in 2016. The team specializes in Cybersecurity and IT managed services.Read More
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2952Undisclosed10 - 49 employeesCity of London, EnglandTipTop IT is an IT strategy consulting company. The small City of London, England-based team focuses on IT strategy consulting and cloud consulting & SI. The company was launched in 2008.Read More
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2953Undisclosed10 - 49 employeesBoston, MAWelsh Consulting is a Boston, Massachusetts-based IT strategy consulting company. Their services include IT strategy consulting and cloud consulting & SI.Read More
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2954Undisclosed10 - 49 employeesBoston, MABoston HelpDesk is a small IT strategy consulting company located in Boston, Massachusetts. Their services include IT strategy consulting and cloud consulting & SI.Read More
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2955Undisclosed10 - 49 employeesBoston, MABoston Networks, an IT strategy consulting company, is headquartered in Boston, Massachusetts and Stoneham, Massachusetts. Their services include IT strategy consulting and cloud consulting & SI.Read More
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2956Undisclosed10 - 49 employeesMontréal, CanadaIndigo Consulting is a cloud consulting & SI company. They are located in Montréal, Canada. Their team focuses on cloud consulting & SI and Cybersecurity.Read More
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2957Undisclosed10 - 49 employeesTulsa, OKArcLight Group is an IT strategy consulting company. In Tulsa, Oklahoma, the company provides IT strategy consulting and cloud consulting & SI.Read More
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2958Undisclosed10 - 49 employeesSt. Charles, ILFounded in 2008, RedLegg is a Cybersecurity and IT managed services company. The firm offers Cybersecurity and IT managed services, and is small.Read More
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2959Undisclosed10 - 49 employeesKennewick, WAEstablished in 2012, Devfuzion is a small Kennewick, Washington-based Cybersecurity and IT managed services company. Their team offers Cybersecurity and IT managed services.Read More
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2960Undisclosed10 - 49 employeesMarkham, CanadaApii is a Cybersecurity company. The Markham, Canada-based firm was launched in 2013. Their services include Cybersecurity and cloud consulting & SI.Read More
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2961Undisclosed10 - 49 employeesAdelaide, AustraliaSnare is a small Adelaide, Australia-based Compliance Consulting company. Their services include Compliance Consulting and Cybersecurity.Read More
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2962Undisclosed10 - 49 employeesMcLean, VAFounded in 2016, stackArmor is a small McLean, Virginia-based cloud consulting & SI company. Their team specializes in cloud consulting & SI and Cybersecurity.Read More
Industries
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2963Undisclosed10 - 49 employeesFairfax, VAAssurit is a Cybersecurity company. The Fairfax, Virginia-based firm provides Cybersecurity and IT strategy consulting.Read More
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2964Undisclosed10 - 49 employeesReston, VACanopy Software is an IT strategy consulting company. They focus on IT strategy consulting and BI & big data consulting & SI and are based in Reston, Virginia.Read More
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2965Undisclosed10 - 49 employeesNew York, NYBrainlink International, Inc., an IT strategy consulting company, is located in New York, New York. Their services include IT strategy consulting and cloud consulting & SI.Read More
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2966Undisclosed10 - 49 employeesParsippany-Troy Hills, NJAccordo is an IT strategy consulting company established in 2012. The company focuses on IT strategy consulting and Cybersecurity, and is small.Read More
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2967Undisclosed10 - 49 employeesMilano, ItalyIT strategy consulting and Cybersecurity company SGBox is based in Milano, Italy. Their services include IT strategy consulting and Cybersecurity.Read More
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2968Undisclosed10 - 49 employeesMonterey, CALaunched in 2008, Rayne Technology Solutions, Inc. Is a Cybersecurity and IT managed services company. Their team focuses on Cybersecurity and IT managed services.Read More
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2969Undisclosed10 - 49 employeesFranklin, TNNXG Strategies, LLC is a Cybersecurity and Business Consulting company. The team specializes in Cybersecurity and Business Consulting and is located in Franklin, Tennessee.Read More
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2970Undisclosed10 - 49 employeesWichita, KSIT strategy consulting company Pileus Technologies, LLC is headquartered in Wichita, Kansas. Their services include IT strategy consulting and cloud consulting & SI.Read More
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