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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3661$5,000+50 - 249 employeesPrinceton, NJLocated in Princeton, New Jersey and New York, New York, The Lloyd Group Inc. Is a midsize IT managed services company. Their services include IT managed services and cloud consulting & SI.Read More
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3662Undisclosed50 - 249 employeesIrving, TXADEPT TALENT ACQUISITION, an artificial intelligence firm, focus on Artificial Intelligence and cloud consulting & SI. They were established in 1998.Read More
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3663Undisclosed50 - 249 employeesLenexa, KSHigh Touch Technologies is an IT strategy consulting company founded in 1984. Based in Lenexa, Kansas, the team specializes in IT strategy consulting and CRM consulting and SI.Read More
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3664Undisclosed50 - 249 employeesArlington Heights, ILTechWerks is a Corporate Training & Coaching company. In Arlington Heights, Illinois, their team provides Corporate Training & Coaching and Business Consulting.Read More
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3665Undisclosed50 - 249 employeesVienna, VABased in Vienna, Virginia, Government Tactical Solutions LLC is a midsize software development firm. Their services include Custom Software Development and Call Center Services.Read More
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3666UndisclosedFreelancer employeesBridlington, EnglandRelyWP is a small website development company. Launched in 2019, the team specializes in Web Development and Cybersecurity.Read More
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3667Undisclosed50 - 249 employeesAlpharetta, GAKGS Technology Group, Inc, an IT strategy consulting company, is located in Alpharetta, Georgia and Bengaluru, India. They focus on IT strategy consulting and BI & big data consulting & SI.Read More
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3668Undisclosed50 - 249 employeesPortland, ORSiligentLogic is a website development company. The team offers Web Development and Mobile App Development and is based in Portland, Oregon and Mumbai, India.Read More
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3669Undisclosed50 - 249 employeesLondon, EnglandTelefónica Tech (EN), a Cybersecurity company, is headquartered in London, England. Established in 2019, the team specializes in Cybersecurity and IT managed services.Read More
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3670UndisclosedFreelancer employeesHeadquartered in Dublin, Ireland, Eggers Cybersecurity is a Cybersecurity company. They focus on Cybersecurity and Corporate Training & Coaching and were launched in 2024.Read More
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3671Undisclosed10 - 49 employeesCity of London, EnglandStack Digital is a small cloud consulting & SI company. The City of London, England-based company was founded in 2020. Their team focuses on cloud consulting & SI, BI & big data consulting & SI, cybersecurity, IT managed services, and more.Read More
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3672$5,000+10 - 49 employeesQueen Creek, AZRead More
IT Partner is a cloud consulting & SI company. The small Wilmington, Delaware-based agency was founded in 2006. Their services include cloud consulting & SI, cybersecurity, IT strategy consulting, unified communications consulting & SI, and more.
Clients
VERO Biotech Inc.Industries
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3673Undisclosed10 - 49 employeesLawrence, KSIn Lawrence, Kansas, IT Consulting Services, Inc. Is a small Enterprise App Modernization company. The team provides Enterprise App Modernization and BI & big data consulting & SI.Read More
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3674Undisclosed10 - 49 employeesTampa, FLVenatôre is a custom software development firm. In Tampa, Florida, their team offers Custom Software Development and cloud consulting & SI.Read More
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3675Undisclosed10 - 49 employeesSan Francisco, CAData analytics company Enterprise Horizon Consulting Group is located in San Francisco, California. The team offers BI & big data consulting & SI and cloud consulting & SI.Read More
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3676Undisclosed10 - 49 employeesFort Worth, TXTriQuest Technologies, Inc., a small IT strategy consulting company, is based in Fort Worth, Texas. The team offers IT strategy consulting and cloud consulting & SI.Read More
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3677Undisclosed10 - 49 employeesSeattle, WAMaxwell IT, an IT strategy consulting company, provides IT strategy consulting and IT managed services. The agency is based in Seattle, Washington and Portland, Oregon.Read More
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3678Undisclosed10 - 49 employeesSioux Falls, SDBluefish LLC is a custom software development company. They are based in Sioux Falls, South Dakota and have small team. Their services include Custom Software Development and IT strategy consulting.Read More
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3679Undisclosed10 - 49 employeesCalgary, CanadaCi2 Group Inc. Is a Calgary, Canada-based UX agency. The team provides UX/UI Design and IT strategy consulting.Read More
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3680Undisclosed10 - 49 employeesChicago, ILTechnical Paradigm is a SEO company. Their small team is based in Chicago, Illinois. Their team specializes in Search Engine Optimization and Pay Per Click.Read More
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3681Undisclosed10 - 49 employeesNashua, NHFounded in 2015, SkyTerra Technologies, LLC is a small cloud consulting & SI company. Their team specializes in cloud consulting & SI and Cybersecurity.Read More
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3682Undisclosed10 - 49 employeesLittle Elm, TXCTS Technology Solutions is a cloud consulting & SI company. Based in Little Elm, Texas, their team provides cloud consulting & SI and Cybersecurity.Read More
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3683Undisclosed10 - 49 employeesAIT - Technology Design Solutions is an IT strategy consulting company. Established in 2004, the team focuses on IT strategy consulting and BI & big data consulting & SI.Read More
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3684Undisclosed10 - 49 employeesSacramento, CAFounded in 2000, MME Consulting, Inc. Is an IT strategy consulting company. The small team focuses on IT strategy consulting and Cybersecurity.Read More
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3685Undisclosed10 - 49 employeesMelbourne, AustraliaAcurus Pty Ltd is a Cybersecurity company launched in 2004. Their team specializes in Cybersecurity and IT strategy consulting.Read More
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3686$1,000+10 - 49 employeesHy, PakistanEstablished in 2004, Gexton Security is an IT managed services company. The team focuses on IT managed services and Cybersecurity and is headquartered in Hy, Pakistan.Read More
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3687Undisclosed10 - 49 employeesKuala Lumpur, MalaysiaGalactic Network, a cloud consulting & SI company, is headquartered in Kuala Lumpur, Malaysia. Their services include cloud consulting & SI and Cybersecurity.Read More
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3688Undisclosed10 - 49 employeesKraków, PolandRSB Automotive Consulting is a Cybersecurity company. They are headquartered in Kraków, Poland. Their team provides Cybersecurity and Application Testing.Read More
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3689Undisclosed10 - 49 employeesRiyadh, Saudi ArabiaP2H Arabia is an UX agency. They are based in Riyadh, Saudi Arabia, and their services include UX/UI Design and IT strategy consulting.Read More
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3690Undisclosed10 - 49 employeesNew Orleans, LACourant is a PR agency. Headquartered in New Orleans, Louisiana, the company was established in 1997. Their services include Public Relations and unified communications consulting & SI.Read More
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