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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1321Undisclosed2 - 9 employeesWest Palm Beach, FLEntricio is an IT managed services company launched in 2019. The company specializes in IT managed services and Cybersecurity.Read More
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1322Undisclosed2 - 9 employeesCork, IrelandCybersecurity company Secure Target was launched in 2020. The team specializes in Cybersecurity and IT strategy consulting and is based in Cork, Ireland.Read More
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1323$1,000+2 - 9 employeesKSYS group is an IT strategy consulting company. The team is headquartered in Lincolnwood, Illinois, and their services include IT strategy consulting and BI & big data consulting & SI.Read More
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1324$1,000+50 - 249 employeesIT managed services company United IT Consultants was launched in 2019. The midsize team focuses on IT managed services, cybersecurity, cloud consulting & SI, IT strategy consulting, and more. The company is headquartered in Salt Lake City, Utah.Read More
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1325Undisclosed1,000 - 9,999 employeesBeijing, ChinaTata Consultancy Services, a cybersecurity company, was established in 2006. Their large team is located in Beijing, China. The firm provides cybersecurity, cloud consulting & SI, Artificial Intelligence, blockchain, and more.Read More
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1326Undisclosed1,000 - 9,999 employeesSan Jose, CACisco is a large cybersecurity company. The San Jose, California-based agency was established in 1984. Their services include cybersecurity and IT strategy consulting.Read More
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1327Undisclosed50 - 249 employeesFayetteville, ARJMARK Business Solutions, Inc. Is an IT managed services and Cybersecurity company in Fayetteville, Arkansas. They offer IT managed services and Cybersecurity.Read More
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1328Undisclosed50 - 249 employeesLincoln, RIIT managed services and Cybersecurity company Lighthouse Computer Services is headquartered in Lincoln, Rhode Island. Their services include IT managed services and Cybersecurity.Read More
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1329Undisclosed10 - 49 employeesJoondalup, AustraliaSapien Cyber is a small Cybersecurity company. They offer Cybersecurity and IT managed services and were launched in 2016.Read More
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1330Undisclosed2 - 9 employeesBrisbane City, AustraliaEstablished in 2018, Avantia Cyber Security is a small Cybersecurity company. Their services include Cybersecurity.Read More
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1331Undisclosed10 - 49 employeesHaymarket, AustraliaSense of Security is a Cybersecurity company. Their small team is in Haymarket, Australia and provides Cybersecurity. The agency was founded in 2002.Read More
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1332Undisclosed50 - 249 employeesBarangaroo, AustraliaSecure Logic is a midsize Barangaroo, Australia-based Cybersecurity company. The team provides Cybersecurity.Read More
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1333Undisclosed10 - 49 employeesMelbourne, AustraliaSmall Cybersecurity company Privasec, is in Melbourne, Australia. The team focuses on Cybersecurity.Read More
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1334Undisclosed1,000 - 9,999 employeesMelbourne, AustraliaImperva, a cloud consulting & SI and Cybersecurity company, was established in 2002. The team offers cloud consulting & SI and Cybersecurity.Read More
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1335Undisclosed2 - 9 employeesCanberra, AustraliaMacquarie Government is a Cybersecurity company. Their small team is based in Canberra, Australia. Their services include Cybersecurity.Read More
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1336Undisclosed1,000 - 9,999 employeesCanberra, AustraliaCheck Point Software Technologies, Ltd. Is an IT managed services and Cybersecurity company. Launched in 1993, the agency focuses on IT managed services and Cybersecurity.Read More
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1337Undisclosed50 - 249 employeesChatswood, AustraliaHuntsman Security is a Cybersecurity company founded in 1999. Their services include Cybersecurity.Read More
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1338Undisclosed250 - 999 employeesHelena, MTLocated in Helena, Montana, Anderson ZurMuehlen Technology Services is a cloud consulting & SI company. The team specializes in cloud consulting & SI and Cybersecurity.Read More
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1339Undisclosed10 - 49 employeesPrinceton, NJPamTen Inc, a Cybersecurity company, is located in Princeton, New Jersey. They provide Cybersecurity and were founded in 2007.Read More
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1340Undisclosed50 - 249 employeesOoltewah, TNLogically is a Cybersecurity company. The midsize Ooltewah, Tennessee-based team provides Cybersecurity and IT managed services. The agency was founded in 1999.Read More
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1341Undisclosed50 - 249 employeesSt. Cloud, MNIT managed services and Cybersecurity company Netgain Technology, LLC was founded in 2000. The agency focuses on IT managed services and Cybersecurity, and is midsize.Read More
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1342Undisclosed250 - 999 employeesBoston, MABitSight is a Cybersecurity company. Based in Boston, Massachusetts, their midsize team specializes in Cybersecurity and Business Consulting. The firm was established in 2011.Read More
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1343Undisclosed50 - 249 employeesRishon LeTsiyon, IsraelCymulate is a Cybersecurity company. Established in 2016, the firm provides Cybersecurity.Read More
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1344Undisclosed50 - 249 employeesAdelaide, AustraliaLogic Plus is a midsize IT managed services and Cybersecurity company. Established in 2000, the team focuses on IT managed services and Cybersecurity.Read More
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1345Undisclosed50 - 249 employeesBellevue, NELaunched in 1991, Software Engineering Services Corporation S E S is a Cybersecurity company. Their services include Cybersecurity and IT strategy consulting.Read More
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1346Undisclosed50 - 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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1347Undisclosed1,000 - 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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1348Undisclosed250 - 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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1349Undisclosed50 - 249 employeesOslo, NorwayLaunched in 2020, Defendable is a Cybersecurity company. The midsize team focuses on Cybersecurity.Read More
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1350$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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