Best US Penetration Testing Companies

371 Companies - Rankings updated: May 19, 2026

All agencies are evaluated on DesignRush for demonstrated expertise and authentic client reviews to support your decision. Certain placements are paid.

United States ×
  • Done Right The First Time

    Done Right The First Time

    Infinity Technology Consulting, Inc. is a trusted Atlanta IT company providing reliable computer support for homes and businesses for more than 23 years. We deliver the best managed IT services in Atlanta, helping clients, employees, and stakeholders operate in secure and efficient technology environments.  [... view Infinity Technology Consulting profile ]
    Location
    Atlanta, Georgia
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
  • Driving technological excellence

    Driving technological excellence

    We craft digital success stories with advanced software solutions, empowering businesses for tomorrow.  [... view Big Entities profile ]
    Location
    Delaware City, Delaware
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $50,000 & Up
  • Cybersecurity Built In, Not Bolted On

    Cybersecurity Built In, Not Bolted On

    OliveTech emerges from a simple yet powerful idea: cybersecurity should be an integral part of every business, not an afterthought. Our experts, with decades of experience in IT and cybersecurity, recognized the limitations of traditional bolt-on security approaches and set out to create.  [... view OliveTech LLC profile ]
    Location
    Denver, Colorado
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
  • World-Class Offshore Software Development Agency.

    World-Class Offshore Software Development Agency.

    Nerdbug is a world-class offshore software development company that caters to businesses across various industries and growth stages, with precision and a passion for excellence. Contact us for cost-effective and timely delivery of AI & Ml software solutions, Web & Mobile app development, Custom enterprise  [... view Nerdbug profile ]
    Location
    Atlanta, Georgia
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
  • AI-Driven Software Innovation & Digital Transformation

    AI-Driven Software Innovation & Digital Transformation

    Empower your business with Al-driven software solutions and cutting-edge digital transformation strategies.  [... view Sthenos Technologies profile ]
    Location
    North Bethesda, Maryland
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
  • Future of Cyber Defense

    Future of Cyber Defense

    Secure Arcane is a U.S.-based cybersecurity firm providing advanced protection services through manual penetration testing, strategic guidance, and transparent reporting. The company helps businesses stay ahead of evolving cyber threats with clear, actionable security solutions.  [... view Secure Arcane profile ]
    Location
    Austin, Texas
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
  • AI-Powered Community of Expert Dev Teams

    AI-Powered Community of Expert Dev Teams

    DevTeam.Space is an AI-powered community of expert dev teams. Our mission is to help more businesses build great online products.  [... view DevTeam.Space profile ]
    Location
    Sunnyvale, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • Montana's leading Managed Service Provider.

    Montana's leading Managed Service Provider.

    At FRCS Tech, we understand the importance of staying ahead in today's fast-paced digital world. Our team of experienced professionals is committed to delivering top-notch IT services, tailored to meet the unique requirements of your business.  [... view FRCS Tech profile ]
    Location
    Libby, Montana
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • IT Is Our Thing

    Clare Computer Solutions (CCS) is a San Ramon based managed IT services and cybersecurity provider supporting businesses across the San Francisco Bay Area. With decades of experience, CCS helps organizations modernize, secure, and optimize their technology environments for long-term growth.  [... view Clare Computer Solutions profile ]
    Location
    San Ramon, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
  • Innovation in Motion

    Innovation in Motion

    NewEvol is business driven data lake with data analytics, automation & response system to cater to organizational need addressing business problem of IoT, IT, security and beyond.  [... view NewEvol profile ]
    Location
    Dover, Delaware
    Number of Employees
    Under 49
  • Securing Your Digital Assets

    Securing Your Digital Assets

    White Knight Labs goes beyond standard security assessments, offering specialized penetration testing solutions designed to meet the unique needs of various industries. Whether evaluating web application security or conducting comprehensive penetration tests, its team provides tailored strategies to protect  [... view White Knight Labs profile ]
    Location
    Guys Mills, Pennsylvania
    Number of Employees
    Under 49
    Average Hourly Rate
    $199/hr
    Minimal Budget
    $1,000 - $10,000
  • Fortifying Your Digital Defenses

    Fortifying Your Digital Defenses

    ONSEC is a pioneering penetration testing agency with over 13 years of industry expertise, dedicated to elevating customer security through meticulous vulnerability assessments and rigorous security audits. Specializing in black-box and white-box penetration tests, ONSEC ensures comprehensive coverage across  [... view ONSEC profile ]
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $10,000 - $25,000
  • Fortifying Your Digital Frontier

    Fortifying Your Digital Frontier

    Abira Security specializes in comprehensive cybersecurity solutions designed to protect businesses in the digital age. Its approach integrates security seamlessly into digital transformation efforts, ensuring robust protection while enhancing operational efficiency. Abira Security's expert team provides  [... view Abira Security profile ]
    Location
    Glenview, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $1,000 - $10,000
  • Penetration Testing for a More Secure World

    Penetration Testing for a More Secure World

    TrustFoundry is a specialized information security firm focused on identifying and mitigating vulnerabilities through application and network penetration testing. They provide expert services designed to secure organizations from cyber threats and attacks.  [... view TrustFoundry profile ]
    Location
    Overland Park, Kansas
    Number of Employees
    Under 49
    Average Hourly Rate
    $300/hr
    Minimal Budget
    $1,000 - $10,000
  • Enterprise level cybersecurity services for everyone.

    Enterprise level cybersecurity services for everyone.

    Defend your business against cyber threats and vulnerabilities with the help of StrongBox IT's certified experts. Contact StrongBox IT today to discuss your security needs and build a robust defense against cyber threats. We'll help your business thrive in today's digital world, all while keeping your data  [... view StrongBox IT profile ]
    Location
    Wyoming, New York
    Number of Employees
    Under 49
    Portfolios Count
    1 Project Listed
  • Your Global Tech Partner

    Your Global Tech Partner

    At zyp, we're not just writing code; we're shaping digital futures. Whether you're a visionary startup or an established enterprise looking to evolve, we're here to transform your tech dreams into reality. Join us on a journey of innovation, growth, and success.  [... view Zyp profile ]
    Location
    Houston, Texas
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed
  • See Beyond, Rise Above.

    See Beyond, Rise Above.

    Persistent Systems, a renowned global leader in software product development and technology services. Delve into our innovative offerings to stay ahead in the ever-evolving landscape of technology.  [... view Persistent profile ]
    Location
    Santa Clara, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $50,000 & Up
  • Your Trusted Path To Innovation

    Your Trusted Path To Innovation

    Space Inventive delivers AI-powered solutions, data engineering, and digital transformation services tailored for pharma, healthcare, and fast-growing businesses. We blend innovation with execution to solve complex challenges through scalable, future-ready technology.  [... view Space Inventive profile ]
    Location
    New York City, New York
    Number of Employees
    250 - 499
    Average Hourly Rate
    $20/hr
    Portfolios Count
    1 Project Listed
  • Frugalnova - Crafting Smarter Software, Apps, and Innovations for All Platforms!

    Frugalnova - Crafting Smarter Software, Apps, and Innovations for All Platforms!

    Frugalnova is a leading software development company specializing in creating innovative solutions for businesses worldwide. We excel in mobile app development, iOS and Windows apps, web platforms, and cutting-edge technology solutions. Our expert team blends creativity and technical expertise to deliver  [... view Frugalnova Innovation profile ]
    Location
    Mount Vernon, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    Under $1,000

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