Top 100 Penetration Testing Services
The Best of December 2025Looking 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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2911Undisclosed10 - 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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2912Undisclosed10 - 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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2913Undisclosed10 - 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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2914Undisclosed10 - 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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2915Undisclosed10 - 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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2916Undisclosed10 - 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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2917Undisclosed10 - 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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2918Undisclosed10 - 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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2919Undisclosed10 - 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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2920Undisclosed10 - 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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2921Undisclosed10 - 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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2922Undisclosed10 - 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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2923Undisclosed10 - 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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2924Undisclosed10 - 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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2925Undisclosed10 - 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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2926Undisclosed10 - 49 employeesFairfax, VAAssurit is a Cybersecurity company. The Fairfax, Virginia-based firm provides Cybersecurity and IT strategy consulting.Read More
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2927Undisclosed10 - 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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2928Undisclosed10 - 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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2929Undisclosed10 - 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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2930Undisclosed10 - 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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2931Undisclosed10 - 49 employeesConcord, NCSTM IT Solutions is a Concord, North Carolina-based IT strategy consulting company. Their services include IT strategy consulting and BI & big data consulting & SI.Read More
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2932Undisclosed10 - 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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2933Undisclosed10 - 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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2934Undisclosed10 - 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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2935Undisclosed10 - 49 employeesHallandale Beach, FLMaverc Technologies is a small Cybersecurity and Application Testing company located in Hallandale Beach, Florida. Their services include Cybersecurity and Application Testing.Read More
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2936Undisclosed10 - 49 employeesGlen Allen, VAIT3Tek, Inc. Is a Cybersecurity and IT managed services company. Their small team is based in Glen Allen, Virginia. Their services include Cybersecurity and IT managed services.Read More
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2937$5,000+10 - 49 employeesDenver, COChess is an IT managed services company. Their small team is headquartered in Denver, Colorado. Their services include IT managed services and cloud consulting & SI.Read More
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2938Undisclosed10 - 49 employeesLansing, MIFounded in 2003, Providence Consulting is an IT managed services company. Their team provides IT managed services and cloud consulting & SI.Read More
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2939Undisclosed10 - 49 employeesNew York, NYPort53 is a Cybersecurity company launched in 2016. The team focuses on Cybersecurity and is based in New York, New York.Read More
Industries
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2940$1,000+Freelancer employeesPort Harcourt, NigeriaBaromi Consult is an IT strategy consulting company based in Port Harcourt, Nigeria. Their services include IT strategy consulting and cloud consulting & SI.Read More
Industries
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