Top 100 Penetration Testing Services
The Best of September 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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3391Undisclosed10 - 49 employeesWichita, KSSummit Advisors, LLC is an IT strategy consulting company established in 2013. The small team specializes in IT strategy consulting and cloud consulting & SI.Read More
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3392Undisclosed10 - 49 employeesHuntsville, ALSimple Helix, a Cybersecurity company, was founded in 2007. The small team focuses on Cybersecurity and IT managed services.Read More
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3393Undisclosed10 - 49 employeesHouston, TXI.T. Matters, Inc. Is a small Cybersecurity company based in Houston, Texas. Their services include Cybersecurity and IT managed services.Read More
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3394Undisclosed10 - 49 employeesChicago, ILAR/VR development company Fanisko is in Chicago, Illinois. They provide AR/VR development and Blockchain.Read More
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3395Undisclosed10 - 49 employeesGreenbelt, MDSES Corporation is an IT managed services company founded in 2003. Their team offers IT managed services and Corporate Training & Coaching.Read More
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3396Undisclosed10 - 49 employeesChicago, ILUncommonX is a Chicago, Illinois-based Cybersecurity company. Their services include Cybersecurity and IT managed services.Read More
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3397Undisclosed10 - 49 employeesPlano, TXReady Services Group, a Cybersecurity company, specialize in Cybersecurity and IT managed services. They were established in 2020.Read More
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3398Undisclosed10 - 49 employeesChicago, ILNorthStar, a business intelligence company, was established in 2006. The team offers BI & big data consulting & SI and Cybersecurity.Read More
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3399Undisclosed10 - 49 employeesAustin, TXLaunched in 2021, Ares Tech is a Cybersecurity company. In Austin, Texas, the team provides Cybersecurity and cloud consulting & SI.Read More
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3400Undisclosed10 - 49 employeesCity of London, EnglandSSL247 is a Cybersecurity company. Founded in 2003, the team focuses on Cybersecurity and BI & big data consulting & SI. The agency is located in City of London, England.Read More
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3401Undisclosed10 - 49 employeesMilpitas, CALocated in Milpitas, California, ICE Consulting is a cloud consulting & SI company. Their services include cloud consulting & SI and Cybersecurity.Read More
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3402Undisclosed10 - 49 employeesMidlothian, VAProActive Information Management, an IT strategy consulting company, specializes in IT strategy consulting and BI & big data consulting & SI. The company is located in Midlothian, Virginia.Read More
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3403Undisclosed10 - 49 employeesChandler, AZLaunched in 2015, ITMSC IT Managed Services Center is an IT strategy consulting company. The team offers IT strategy consulting and Cybersecurity and is in Chandler, Arizona.Read More
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3404Undisclosed10 - 49 employeesCedar Grove, NJEstablished in 2001, NJ TEKS Consulting is a Cybersecurity company. Their team provides Cybersecurity and cloud consulting & SI.Read More
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3405Undisclosed10 - 49 employeesMiddleborough, MAJIT Solutions IT, a Cybersecurity company, was established in 1995. The agency provides Cybersecurity and IT managed services.Read More
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3406Undisclosed10 - 49 employeesWilton, CTFounded in 2016, CyberGuard360 is a Cybersecurity company. Their services include Cybersecurity and Corporate Training & Coaching.Read More
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3407Undisclosed10 - 49 employeesCoral Springs, FLIT Fusion, LLC, an IT strategy consulting company, was founded in 2007. Headquartered in Coral Springs, Florida, the team focuses on IT strategy consulting and cloud consulting & SI.Read More
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3408Undisclosed10 - 49 employeesIT Ninjas is a Cybersecurity company. The Jacksonville, Florida-based team focuses on Cybersecurity and IT managed services.Read More
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3409Undisclosed10 - 49 employeesOrlando, FLOrenda Security LLC is a Cybersecurity company. Their small team of employees is based in Orlando, Florida and Montréal, Canada. Their team focuses on Cybersecurity and cloud consulting & SI.Read More
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3410UndisclosedFreelancer employeesIDP LLC, a Cybersecurity company, was established in 2006. The firm specializes in Cybersecurity and IT managed services.Read More
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3411Undisclosed50 - 249 employeesSyracuse, NYIV4 is a cloud consulting & SI company. Their midsize team is headquartered in Syracuse, New York and provides cloud consulting & SI and IT managed services. The company was established in 1996.Read More
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3412Undisclosed50 - 249 employeesZagreb, CroatiaOradian is a cloud consulting & SI company. Established in 2012, the team focuses on cloud consulting & SI and IT managed services. The company is headquartered in Zagreb, Croatia.Read More
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3413Undisclosed50 - 249 employeesColumbia, MDNext Phase Solutions and Services, Inc. Is a big data company founded in 2010. Their team offers BI & big data consulting & SI and CRM consulting and SI.Read More
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3414Undisclosed50 - 249 employeesManassas, VAThe Maasai Group, LLC is a Manassas, Virginia-based IT managed services company. Launched in 2003, the team provides IT managed services and Cybersecurity.Read More
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3415Undisclosed50 - 249 employeesVienna, VAHalvik Corp, a Cybersecurity company, was launched in 2007. Headquartered in Vienna, Virginia, the team offers Cybersecurity and Business Consulting.Read More
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3416Undisclosed50 - 249 employeesFairfax, VAJCS Solutions LLC is an IT managed services company. The Fairfax, Virginia-based team provides IT managed services and Cybersecurity.Read More
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3417Undisclosed50 - 249 employeesSt. Louis Park, MNMakwa Global Professional Services, LLC, a Commercial Development company, was established in 2019. The firm offers Commercial Development and Commercial Property Management, and is midsize.Read More
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3418Undisclosed50 - 249 employeesBaltimore, MDPremier Management Corporation is a Financial Advising & Planning company launched in 2004. The midsize team provides Financial Advising & Planning and Cybersecurity.Read More
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3419Undisclosed50 - 249 employeesReston, VAMetaPhase Consulting LLC is a Reston, Virginia-based Cybersecurity company. Their services include Cybersecurity and Business Consulting.Read More
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3420Undisclosed50 - 249 employeesBruxelles, BelgiumFounded in 1993, Belnet is a cloud consulting & SI company. The team provides cloud consulting & SI and Cybersecurity.Read More
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