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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1321Undisclosed50 - 249 employeesWashington, DCGreystones Consulting Group, a Cybersecurity company, was established in 2000. The team provides Cybersecurity and Corporate Training & Coaching and is based in Washington, District of Columbia.Read More
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1322Undisclosed1,000 - 9,999 employeesShanghai, ChinaBased in Shanghai, China, Wangsu Science &Technology Co., Ltd is a cloud consulting & SI and Cybersecurity company. They specialize in cloud consulting & SI and Cybersecurity.Read More
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1323Undisclosed250 - 999 employeesBeijing, ChinaBeijing SBR Information Technology Co., Ltd. Is a Cybersecurity company. The Beijing, China-based firm offers Cybersecurity and cloud consulting & SI.Read More
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1324Undisclosed50 - 249 employeesOslo, NorwayLaunched in 2020, Defendable is a Cybersecurity company. The midsize team focuses on Cybersecurity.Read More
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1325$1,000+50 - 249 employeesDubai, United Arab EmiratesFounded in 2015, Electronic Design Cyber Security (EDCS) is a Cybersecurity company. The team focuses on Cybersecurity and is located in Dubai, United Arab Emirates.Read More
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1326Undisclosed250 - 999 employeesTampa, FLA-LIGN, a Cybersecurity and Application Testing company, was launched in 2009. The company focuses on Cybersecurity and Application Testing, and is midsize.Read More
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1327Undisclosed250 - 999 employeesPontinha, PortugalS4Digital, a Cybersecurity and artificial intelligence company, was established in 2021. The company specializes in Cybersecurity and Artificial Intelligence.Read More
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1328Undisclosed1,000 - 9,999 employeesHamburg, GermanyHeadquartered in Hamburg, Germany, Fast Lane Institute for Knowledge Transfer GmbH is a cloud consulting & SI company. They provide cloud consulting & SI and Cybersecurity.Read More
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1329Undisclosed1,000 - 9,999 employeesBlagnac, FranceAirbus Protect is a Cybersecurity company. They are located in Blagnac, France and have large team. Their services include Cybersecurity.Read More
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1330Undisclosed1,000 - 9,999 employeesParis, FranceFounded in 2000, HeadMind Partners is a large big data analytics company. Their services include BI & big data consulting & SI and Cybersecurity.Read More
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1331Undisclosed50 - 249 employeesOak Brook, ILStrategic Solutions, Inc., a midsize Cybersecurity and IT managed services company, is in Oak Brook, Illinois. Their services include Cybersecurity and IT managed services.Read More
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1332Undisclosed50 - 249 employeesAtlanta, GACybersecurity company IRONSCALES was established in 2014. In Atlanta, Georgia and Giv'atayim, Israel, the team specializes in Cybersecurity and Artificial Intelligence.Read More
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1333Undisclosed250 - 999 employeesFort Lauderdale, FLNetsurion is a Fort Lauderdale, Florida-based Cybersecurity and IT managed services company. They focus on Cybersecurity and IT managed services and were launched in 2009.Read More
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1334Undisclosed250 - 999 employeesMorrisville, NCSilverSky is a Cybersecurity company. They are headquartered in Morrisville, North Carolina and Milford, Connecticut. Their team offers Cybersecurity.Read More
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1335Undisclosed1,000 - 9,999 employeesAtlanta, GAEstablished in 1999, Secureworks is a large Atlanta, Georgia-based Cybersecurity company. Their services include Cybersecurity.Read More
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1336Undisclosed50 - 249 employeesIrvine, CATevora is a Cybersecurity and Compliance Consulting company. They were established in 2003, and their services include Cybersecurity and Compliance Consulting.Read More
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1337Undisclosed1,000 - 9,999 employeesMumbai, IndiaInspira Enterprise, a cloud consulting & SI company, was established in 2008. They provides cloud consulting & SI and Cybersecurity.Read More
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1338Undisclosed50 - 249 employeesEly, EnglandGRC Solutions is an IT strategy consulting company. They are in Ely, England and have midsize team of experts. Their services include IT strategy consulting and Cybersecurity.Read More
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1339Undisclosed250 - 999 employeesOak Brook, ILCyberTech Systems and Software, Inc is a Cybersecurity company. They offer Cybersecurity and ERP consulting and SI and are located in Oak Brook, Illinois and Redlands, California.Read More
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1340Undisclosed10 - 49 employeesPortland, ORISMAC , a Cybersecurity company, was founded in 2020. The agency specializes in Cybersecurity and Compliance Consulting, and is small.Read More
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1341Undisclosed250 - 999 employeesStockholm, SwedenTruesec is a Cybersecurity company headquartered in Stockholm, Sweden and Malmö, Sweden. They provide Cybersecurity and were established in 2005.Read More
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1342Undisclosed250 - 999 employeesNewark, CASkoruz Technologies is a Cybersecurity company. Their team is headquartered in Newark, California and Newark, California and focuses on Cybersecurity and Business Consulting.Read More
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1343$1,000+Freelancer employeesHack Test Me (HackTestMe), a Cybersecurity company, is headquartered in Clermont, Florida. Founded in 2022, the team offers Cybersecurity and Application Testing.Read More
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1344$1,000+50 - 249 employeesBethesda, MDCloud9 Data Solutions is a Cybersecurity company. Launched in 2018, the company specializes in Cybersecurity and Compliance Consulting.Read More
Clients
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1345$1,000+50 - 249 employeesGurugram, IndiaUmenit NA is an IT strategy consulting company. Their midsize team of employees is in Gurugram, India. Their team offers IT strategy consulting and BI & big data consulting & SI.Read More
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1346Undisclosed50 - 249 employeesWilmington, DENaoris Protocol, a Cybersecurity and Blockchain company, is in Wilmington, Delaware. They specialize in Cybersecurity and Blockchain and were founded in 2018.Read More
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1347$50,000+50 - 249 employeesLahore, PakistanStudent Shelter In Computers is a Cybersecurity company. They are located in Lahore, Pakistan and have midsize team of experts. Their services include Cybersecurity.Read More
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1348Undisclosed50 - 249 employeesScybers is a Cybersecurity company headquartered in Lewes, Delaware. Their services include Cybersecurity and IT strategy consulting.Read More
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1349Undisclosed250 - 999 employeesMilano, ItalyBIP CyberSec is an IT strategy consulting and Cybersecurity company established in 2013. The agency offers IT strategy consulting and Cybersecurity.Read More
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1350Undisclosed1,000 - 9,999 employeesFoster City, CAFounded in 1999, Qualys is an IT strategy consulting and Cybersecurity company. The company provides IT strategy consulting and Cybersecurity.Read More
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