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.
List of the Best Penetration Testing Companies
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2971Undisclosed2 - 9 employeesOrlando, FLWyvern Security, a Cybersecurity company, was established in 2015. The small team focuses on Cybersecurity and Artificial Intelligence.Read More
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2972Undisclosed2 - 9 employeesShelton, CTFounded in 2000, OutSecure Inc is a small Shelton, Connecticut-based Cybersecurity company. Their services include Cybersecurity and Artificial Intelligence.Read More
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2973Undisclosed2 - 9 employeesGreenbelt, MDCaptiva Solutions, LLC is a Cybersecurity company. The Greenbelt, Maryland-based company was launched in 2010. Their services include Cybersecurity and IT managed services.Read More
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2974Undisclosed2 - 9 employeesCybersecurity company Lenotti Advisors GmbH offers Cybersecurity and Document Digitization & Management. They were founded in 2014.Read More
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2975Undisclosed2 - 9 employeesSystemian is a Cybersecurity company. Established in 2015, the company specializes in Cybersecurity and cloud consulting & SI.Read More
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2976Undisclosed2 - 9 employeesStamford, CTComputronix is a Stamford, Connecticut-based Cybersecurity and IT managed services company. The team provides Cybersecurity and IT managed services.Read More
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2977Undisclosed2 - 9 employeesAtlanta, GAV Consulting Services is a small cloud consulting & SI and Cybersecurity company located in Atlanta, Georgia. Their services include cloud consulting & SI and Cybersecurity.Read More
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2978Undisclosed2 - 9 employeesMahomet, ILCybersecurity and IT managed services company Bambenek Consulting, LTD was launched in 2011. The firm provides Cybersecurity and IT managed services, and is small.Read More
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2979Undisclosed2 - 9 employeesHinsdale, ILDEADCO LLC, a Cybersecurity and IT managed services company, is based in Hinsdale, Illinois. Launched in 2021, the team provides Cybersecurity and IT managed services.Read More
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2980Undisclosed2 - 9 employeesLe Mars, IASecure-IT Consulting is a Cybersecurity and IT managed services company. They are headquartered in Le Mars, Iowa and have small team. Their services include Cybersecurity and IT managed services.Read More
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2981Undisclosed2 - 9 employeesKentwood, MIEstablished in 1978, Malone IT Group, Inc. Is a cloud consulting & SI company. Headquartered in Kentwood, Michigan, the team provides cloud consulting & SI and Cybersecurity.Read More
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2982Undisclosed2 - 9 employeesWarren, MISmall Cybersecurity and IT managed services company Cyber Protect LLC, is located in Warren, Michigan. The team provides Cybersecurity and IT managed services.Read More
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2983Undisclosed2 - 9 employeesDallas, TXNomic Networks is a Cybersecurity and IT managed services company. They are located in Dallas, Texas, and their services include Cybersecurity and IT managed services.Read More
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2984Undisclosed2 - 9 employeesBowie, MDFounded in 2006, J5 Consulting is a Cybersecurity company. Their team provides Cybersecurity and Compliance Consulting.Read More
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2985Undisclosed2 - 9 employeesDavison, MIPraetorian Secure is a cloud consulting & SI company. The agency is located in Davison, Michigan and Port St. Lucie, Florida. Their team specializes in cloud consulting & SI and Cybersecurity.Read More
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2986Undisclosed2 - 9 employeesLaunched in 2023, Vital Security is an IT strategy consulting company. Their team provides IT strategy consulting and Cybersecurity.Read More
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2987Undisclosed2 - 9 employeesBarangaroo, AustraliaSmall Cybersecurity company Cyberensic, is based in Barangaroo, Australia. The team specializes in Cybersecurity and Corporate Training & Coaching.Read More
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2988Undisclosed2 - 9 employeesWestmount, CanadaHeadquartered in Westmount, Canada, Net-Wall Internet Security Inc. Is a Business Consulting company. They provide Business Consulting and Cybersecurity and were launched in 2005.Read More
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2989Undisclosed2 - 9 employeesBaltimore, MDIron Flame Technologies, Inc. Is an IT managed services company. Founded in 2004, the firm is located in Baltimore, Maryland. Their team provides IT managed services and Cybersecurity.Read More
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2990Undisclosed2 - 9 employeesCalgary, CanadaORIGNIX Inc. Is a Cybersecurity company based in Calgary, Canada. Their services include Cybersecurity.Read More
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2991Undisclosed2 - 9 employeesHouston, TXBased in Houston, Texas, 509 Cyber Solutions LLC is a Cybersecurity company. Launched in 2018, the team offers Cybersecurity.Read More
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2992Undisclosed2 - 9 employeesMünchen, GermanyDigitalDefense Information Systems GmbH is a Cybersecurity company launched in 2011. The team specializes in Cybersecurity and IT managed services and is based in München, Germany.Read More
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2993$5,000+250 - 999 employeesMississauga, CanadaRead More
Xotech solution is an user experience agency. Their midsize team is in Mississauga, Canada. The company focuses on ux/ui design, custom software development, cybersecurity, blockchain, and more.
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2994Undisclosed250 - 999 employeesSilver Spring, MDIBSS Corp is a midsize Business Consulting company based in Silver Spring, Maryland. Their services include Business Consulting and cloud consulting & SI.Read More
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2995Undisclosed250 - 999 employeesDenver, COData analytics company Matillion is headquartered in Denver, Colorado and Altrincham, England. They specialize in BI & big data consulting & SI and IT managed services.Read More
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2996Undisclosed250 - 999 employeesNew York, NYBlueVoyant is a midsize Cybersecurity company founded in 2017. Their services include Cybersecurity and IT strategy consulting.Read More
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2997Undisclosed250 - 999 employeesMcLean, VAInserso Corporation, an IT strategy consulting company, offer IT strategy consulting and cloud consulting & SI. They were established in 1994.Read More
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2998Undisclosed250 - 999 employeesBern, SwitzerlandIsolutions AG, an IT strategy consulting company, is based in Bern, Switzerland and Kloten, Switzerland. They provide IT strategy consulting and cloud consulting & SI.Read More
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2999Undisclosed250 - 999 employeesUrbandale, IAAssociated Computer Systems is an IT strategy consulting company. They provide IT strategy consulting and Cybersecurity and were established in 1980.Read More
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3000$5,000+50 - 249 employeesRead More
UnderDefense is a cybersecurity provider located in Lviv, Ukraine with a second office in New York City. The company was founded in 2016 and now has a team of 28 that exclusively provides cybersecurity services.
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