Find a pentest company offering Penetration Testing
5017 companies offer this service
Valiant Solutions
Valiant Solutions is a private cybersecurity and IT services provider headquartered in McLean, Virginia, with 115 employees and $22.5M revenue. Founded in 2005, they deliver comprehensive cybersecurity solutions, including penetration testing, to federal agencies and government clients. Recognized as a HUBZone small business, they have experienced 22.3% annual growth and are active in cybersecurity program management, security engineering, and zero-trust initiatives.
Delviom, LLC
Cybersecurity solutions provider specializing in penetration testing and information assurance; 51 employees with 31.5% YoY growth; $5M-$25M revenue; founded 2004; headquartered in Ashburn, Virginia, USA; known for mitigating cyber threats and protecting critical assets, with recent contracts including a $51M cybersecurity deal.
AERMOR LLC
Cybersecurity company specializing in penetration testing and threat emulation; headquartered in Virginia Beach, VA, with a focus on safeguarding missions through proactive, end-to-end cybersecurity solutions.
Virginia Tech
Higher education university based in Blacksburg, Virginia, with 9,107 employees and $1.3B annual revenue; provides internal IT security services including penetration testing (pentest) for VT departments, testing operating systems, web applications, and network configurations with detailed findings; founded in 1872, publicly funded, with active engagement in security and research activities.
Stratum Security: A Cyber Advisors Company
Cybersecurity-focused IT services and consulting company founded in 2005; based in Reston, Virginia, with 20 employees and $2.5M annual revenue. Specializes in penetration testing, application security, and cloud security, serving clients globally. Active in penetration testing engagements, as evidenced by recent projects and service offerings.
Diamond Information Systems, LLC
Cybersecurity company based in Ashburn, Virginia; provides penetration testing services as a core offering, with active capabilities in cybersecurity assessments and pentest solutions.
Riva Solutions, Inc.
Virginia-based government IT and cybersecurity company specializing in digital modernization and security services; provides penetration testing, security assessments, and cybersecurity solutions, with demonstrated expertise in security control assessments for NOAA and other clients.
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Intersec, Inc.
Cybersecurity consulting firm headquartered in Leesburg, Virginia; provides penetration testing (pentest) services including vulnerability assessments, real-world attack simulations, and IoT security testing; active in offensive security engagements.
GroupSense
Cybersecurity company specializing in penetration testing, vulnerability assessments, and threat intelligence; 16 employees, $12.2M annual revenue, founded 2014 in Arlington, VA • Provides active security audits including penetration testing and vulnerability assessments, supported by third-party evidence; ranked #10,375,122 globally and #11,875 in industry.
SiloSmashers, Inc.
Cybersecurity firm based in Reston, Virginia; provides penetration testing services including vulnerability testing, exploitation, and analysis; supports active cybersecurity operations with a focus on security testing and assessment.
SimVentions
Virginia-based defense contractor specializing in technology development and integration for military applications; 100% employee-owned since 2020; provides cybersecurity services including penetration testing with assessments of protection, detection, and response capabilities.
Fedtec
Cybersecurity firm specializing in penetration testing and security validation; headquartered in Reston, Virginia, United States; offers controlled exploit code testing, impact validation, and end-to-end security testing services.
Endurance IT
Virginia-based managed IT services provider offering support, security, staffing, and cybersecurity solutions; provides active penetration testing including network and application assessments to identify vulnerabilities and enhance security posture.
UltraViolet Cyber
Cybersecurity firm headquartered in McLean, Virginia; provides penetration testing, red team, application security, and managed detection & response services; focuses on continuous security visibility and real-time threat response.
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Penetration Testing Virginia
Media company based in Virginia, Hampton Roads, providing penetration testing solutions for computer networks.
Solvitur Systems LLC
Cybersecurity firm specializing in penetration testing and SOC services; headquartered in Leesburg, Virginia, with active GSA contract vehicles including penetration testing scope; founded with a focus on security testing and exploitation capabilities.
DLT Solutions
Technology reseller and integrator for federal government IT solutions; provides cybersecurity services including penetration testing via MindPoint Group; headquartered in Herndon, VA; known for security certifications like CMMC Level 2.
Protect3 Solutions
Cybersecurity firm providing penetration testing (pentest) services; offers external and internal assessments using diverse tactics and techniques; headquartered in Ashburn, Virginia, United States.
Aet Federal Inc.
Cybersecurity and modernization solutions provider for federal agencies; headquartered in Vienna, VA; offers threat emulation and vulnerability testing services, emphasizing penetration testing capabilities.
Red River
Managed IT services provider based in Chantilly, VA; specializes in cybersecurity, cloud solutions, and IT infrastructure; offers penetration testing, vulnerability scans, and security assessments.
K3 Solutions LLC
Virginia-based IT services and cybersecurity consulting firm; specializes in penetration testing services for federal, DOD, and commercial clients; headquartered in Luray, VA.
USX Cyber
USX Cyber is a Virginia-based private cybersecurity firm founded in 2022, with 8 employees and a -15.4% YoY growth. They specialize in advanced cybersecurity services including managed XDR, compliance, threat detection, and penetration testing, serving industries such as healthcare, education, aerospace & defense, and manufacturing. The company actively develops security solutions, recently announcing new features like FIPS-compliant RMM and AI-powered tools, and maintains an active web presence with ongoing updates.
Cybrex LLC
Cybersecurity company based in Norfolk, Virginia, providing penetration testing, vulnerability assessments, and Red Team/Blue Team exercises for maritime and military clients; specializes in active cyber vulnerability testing and security consulting.
It3tek, Inc.
Cybersecurity firm based in Glen Allen, Virginia, specializing in penetration testing services; provides comprehensive cybersecurity assessments and testing solutions.
Cover6 Solutions
Cybersecurity company based in Arlington, Virginia, specializing in penetration testing services; offers standalone pentest and vCISO bundles, emphasizing active security testing and consulting.
QinetiQ
Cybersecurity and defense contractor specializing in penetration testing and red teaming; headquartered in Lorton, VA, United States, with active offensive security capabilities including attack simulations and threat hunting.
ECS
IT System Data Services company based in Fairfax, Virginia, with 2,080 employees and $150M revenue; specializes in science, engineering, cloud, cybersecurity, AI, and IT modernization; provides penetration testing services as part of its cybersecurity offerings.
Seltek, Inc.
Virginia-based cybersecurity firm specializing in penetration testing services; offers active security assessments to identify system vulnerabilities with skilled professionals; headquartered at 8814 Fargo Road #108, Richmond, VA 23229.
pentaROOT Information Security
IT services and consulting company specializing in information security; founded 2018; based in Virginia Beach, Virginia, USA; offers penetration testing, vulnerability assessment, and application security services; 1 employee; modest web presence with 145 monthly visits and global rank #9,490,636.
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Cyber Vast Consulting
Cyber Vast Consulting LLC is a Virginia-based cybersecurity company specializing in security services such as penetration testing; headquartered in Virginia Beach, VA, with a focus on helping small and medium-sized businesses improve their security posture.
Crosshair Cyber
Cybersecurity firm headquartered in Fairfax, Virginia, providing penetration testing services such as baseline, SMB annual, and continuous adversarial testing; offers comprehensive testing scope including network, web app, and social engineering, with remediation reports.
ResilientTech Advisors
Cybersecurity consulting firm specializing in penetration testing; headquartered in Norfolk, Virginia, United States; actively provides vulnerability scanning and exploit testing services to identify real risks.
Isi
Cybersecurity firm based in Herndon, Virginia; specializes in penetration testing and attack simulation services, actively conducting vulnerability assessments through ethical hacking.
Haqtify
Cybersecurity firm based in Leesburg, Virginia; specializes in penetration testing including web, iOS, and Android platforms; employs attack-to-protect approach with a team of skilled hackers to identify vulnerabilities and strengthen defenses.
Sev1tech LLC
Cybersecurity company based in Virginia, United States; provides penetration testing (pentest) services as evidenced by GSA MAS contract scope and references to cybersecurity artifacts; headquarters located at 12700 Black Forest Ln, Suite 100, Woodbridge, VA 22192.
Ampcus Cyber
Cybersecurity company based in Chantilly, Virginia, specializing in penetration testing; CREST-listed for Red team assessments and web application penetration testing, demonstrating advanced offensive security capabilities.
Nisos
Cybersecurity firm specializing in human risk management, digital investigations, and penetration testing; headquartered in Arlington, VA, with a focus on early threat detection and attack simulation services.
ManTech International
Defense contracting firm specializing in cybersecurity and penetration testing; headquartered in Herndon, Virginia, United States; founded in 1968 with a focus on technology solutions for government and industry clients.
Hexcapes
Cybersecurity company specializing in penetration testing and red teaming; leverages machine learning to predict and prevent cyber threats across sectors including government, finance, technology, and manufacturing. Headquartered in Richmond, VA, with operations in Virginia.
WhiteHawk Inc
WhiteHawk Inc is a cybersecurity-focused IT System Data Services company based in Alexandria, Virginia, with 16 employees and $2.3M annual revenue. Founded in 2015, it has raised $3.2M in funding and provides penetration testing services, including automated full-scale pentests. The firm specializes in third-party risk management, attack surface management, threat intelligence, and cybersecurity, with a global rank of #4,678,258 and 39 monthly website visits.
General Dynamics Information Technology
Private IT services and consulting company with 15,007 employees, $7.9B revenue, headquartered in Falls Church, Virginia; delivers technology solutions and mission services to U.S. government, defense, and intelligence sectors; actively provides penetration testing and cybersecurity services, with a global ranking of #123,373 and 329,973 monthly website visits.
Leidos
Leidos is a Reston, Virginia-based company providing defense, aviation, IT, and biomedical research services; it offers cybersecurity solutions including penetration testing and red team assessments, with active pentest service offerings and related job roles.
Az Cyber Security Solutions, Inc.
Cybersecurity company headquartered in Sterling, VA; specializes in breach investigation, malware analysis, and penetration testing services including network, web, and wireless testing; founded in Virginia with a focus on active security testing and incident response.
Guidehouse
Management consulting firm based in McLean, Virginia, providing advisory, technology, and managed services with active penetration testing capabilities; headquarters at 1676 International Drive, McLean, VA; known for cybersecurity assessments including vulnerability testing and penetration testing services.
22nd Century Technologies Inc.
22nd Century Technologies Inc. is a private IT services and consulting company founded in 1997, headquartered in McLean, Virginia, with 749 employees and $235M annual revenue. It specializes in managed IT solutions including security, mobile device management, remote helpdesk, IT staffing, project management, network management, and operations center services, serving defense, intelligence, federal civilian, state, local, and education sectors. The firm has a web presence with 15,221 monthly visits and a global rank of #1,425,344, and is recognized for providing penetration testing services, including ethical hacking and network assessments, to evaluate security vulnerabilities.
Secured Cyber, LLC
Cybersecurity company based in Stafford, Virginia, specializing in supporting government and commercial clients with information security, cyber security, datacenter, cloud, and training services; offers penetration testing as part of their security operations to evaluate security through simulated attacks.
Vae, Inc.
Cybersecurity firm headquartered in Springfield, Virginia; specializes in penetration testing, security assessments, and vulnerability evaluations, employing active attack-simulation techniques to identify security gaps.
Simis Inc.
Virginia-based cybersecurity firm specializing in modeling, simulations, and penetration testing; offers active penetration testing services including infiltration and escalation techniques; headquartered in Portsmouth, VA; provides cybersecurity, autonomous solutions, and mobile app development.
Gunnison
Cybersecurity consulting firm specializing in penetration testing services; explicitly listed on capabilities page and actively hiring pentesters; headquartered in McLean, Virginia, USA.
Cellebrite
Public safety and digital forensic solutions provider; 952 employees with 6.8% YoY growth, $419.2M annual revenue, headquartered in Vienna, Virginia, founded in 1999, with a $4.0B market cap; offers digital intelligence, forensic analysis, and penetration testing services, recently acquired Corellium to enhance security and forensic capabilities.
Ruleset Security
Virginia-based cybersecurity company specializing in penetration testing, compliance, and cloud security; provides attack simulation and vulnerability assessment services to help organizations strengthen defenses.
A3t (agil3 Technology Solutions)
Virginia-based IT services company specializing in cybersecurity and penetration testing; SBA certified 8(a), WOSB, SDVOSB; headquartered in Falls Church, VA; offers cyber security, software, cloud, big data, and management solutions.
Bcs-cg
Virginia-based consulting firm specializing in Big Data, Cloud Computing, and Cyber Security; offers penetration testing services and has 70 years of combined industry experience. Headquartered in Annandale, VA, with a focus on cybersecurity for business and government sectors.
Fedsync
Cybersecurity company providing penetration testing services; headquartered in Alexandria, Virginia, with a focus on federal clients and leveraging technology for scalable, cost-effective solutions.
Infinity Technologies
Virginia-based IT support and cybersecurity firm founded in 1996; offers penetration testing and vulnerability assessments to evaluate security effectiveness; headquartered in Fredericksburg, VA, serving local businesses with rapid, personalized IT solutions.
Ultraviolet Cyber
Cybersecurity company based in McLean, Virginia; specializes in penetration testing, application security testing, cloud security testing, and Red Team engagements. Offers active testing across networks, applications, IoT, and social engineering, with a focus on identifying vulnerabilities and simulating attacks.
Seventh Wall
Cybersecurity company based in Charlottesville, Virginia; provides penetration testing and security assessment services, including network penetration testing and simulated phishing attacks; headquartered at 660 Hunters Place, Suite B12, Charlottesville, VA 22911.
Mars
Mars, Incorporated is a private food and beverage manufacturing company with 24,256 employees and $50 billion in annual revenue; headquartered in McLean, Virginia, USA. It operates across petcare, food & nutrition, and confectionery sectors, with brands like Mars Petcare, Wrigley, and Snacking. The company has a 5.0% YoY growth rate and recent activities include product launches and climate-smart agriculture advocacy. It provides penetration testing services for security testing, as part of its IT security operations.
Apex Systems
IT services and staffing company based in Glen Allen, Virginia, United States; offers penetration testing and security assessment services, with active capabilities in advanced attack simulations and remediation support.
A-tek, Inc.
Cybersecurity firm based in McLean, VA; specializes in digital transformation for federal missions with services including penetration testing and real-time vulnerability patching.
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Ntiva
Ntiva is an IT services company based in McLean, Virginia, providing managed IT, consulting, and cybersecurity services, including penetration testing solutions that simulate cyberattacks to evaluate security readiness.
IPS314
Cybersecurity engineering firm based in Stafford, Virginia; specializes in application development and penetration testing services; provides value-added cybersecurity solutions with highly skilled professionals.
Actionet, Inc.
Cybersecurity firm based in Vienna, Virginia, offering penetration testing and security assessments; headquarters at 2600 Park Tower Drive, Vienna, VA 22180; actively provides pentest services as evidenced by service listings and recent publications.
NetImpact Strategies
Virginia-based cybersecurity firm specializing in penetration testing and IT solutions; headquarters in Falls Church, VA, with operations in Herndon, VA; provides active security testing, incident response, and IT consulting services.
B3 Consulting
Virginia-based cybersecurity firm specializing in penetration testing; offers comprehensive testing, vulnerability assessment, and reporting services. Located at 13195 Kinnicutt Drive, Woodbridge, VA 22192.
Infotel Systems
Virginia-based network and security services provider; offers penetration testing and internet security solutions with active testing services using third-party tools; headquartered in Richmond, VA with a physical address at 6008 Hermitage Rd.
Zigron
Cybersecurity firm headquartered in Alexandria, Virginia, providing penetration testing, vulnerability assessment, and security testing services since 2008; specializes in healthcare and IoT security testing.
Telos Corporation
Cybersecurity and identity solutions provider based in Ashburn, Virginia; offers penetration testing services including external and internal assessments, with a focus on cyber GRC and risk management platforms like Xacta; emphasizes active security testing and threat identification.
Black Bear Technology Solutions, LLC
Cybersecurity company headquartered in Alexandria, Virginia; specializes in penetration testing services as part of their Cyber & Data Analytics offerings; verified location through LinkedIn, GSA eLibrary, and PrivCo.
SecureGovernComply
IT services and consulting company specializing in cybersecurity; offers penetration testing, vulnerability scanning, dark web monitoring, and compliance solutions; based in Norfolk, Virginia with 4 employees; provides offensive security services via PenTest360™ and active threat detection.
Quecon, Inc.
Quecon, Inc. is a Virginia-based private IT services and consulting company founded in 2015, with 30 employees and 9.1% annual growth. It offers systems engineering, cybersecurity, telecommunications, program management, and technical consulting for federal and private sectors. The company actively provides penetration testing services, utilizing tools like Metasploit, Core Impact, and Kali Linux, supported by job postings and third-party profiles. It has a modest web presence with 156 monthly visits and a global rank of #13,476,528.
AIS Network
AIS Network is a Virginia-based private IT and cybersecurity company founded in 1993, with 10 employees and $2.8M revenue, specializing in IT modernization, multicloud hosting, and penetration testing services. Recognized on the Inc. 5000 list and a 'Best Place to Work in Virginia,' it serves sectors including government, healthcare, and finance, with core capabilities in cybersecurity, application development, disaster recovery, and cloud enablement.
Bridgecross, LLC
Virginia-based small business specializing in enterprise IT and cybersecurity solutions; offers penetration testing and endpoint protection services; certified 8(a), Service-Disabled Veteran-Owned, Minority-Owned, with headquarters at 722 E Market Street, Leesburg, VA.
Cybertech Software Solutions
Cybertech Software Solutions is a cybersecurity-focused IT services and consulting company based in Chantilly, Virginia; 2 employees; founded in 2014. They specialize in tailored cybersecurity solutions, including penetration testing, vulnerability assessments, and incident response, serving clients with customized security strategies.
Thiry Technology Services, Inc.
IT & cybersecurity company based in Norfolk, Virginia; 3 employees with +25% YoY growth; founded in 2003. Specializes in network integration, cloud solutions, and penetration testing to identify vulnerabilities.
E-N Computers
IT services and consulting company specializing in cybersecurity, managed IT, and systems design; based in Waynesboro, Virginia, with 9 employees, $24.1M revenue, founded in 1997; offers penetration testing and advanced cybersecurity services, serving Virginia and D.C.
JarWare
JarWare LLC is a private IT & Services firm based in Vienna, Virginia, with 3 employees and $1M-$5M revenue; specializes in cybersecurity, including penetration testing services; founded in 2016; minority-owned certified business with active social media presence and competitive in cybersecurity market.
McCormack Cyber Solutions, LLC
Cybersecurity company specializing in offensive security and penetration testing; based in Richmond, Virginia, with 1 employee, founded in 2021, offering web, API, mobile, and network security assessments; 472 monthly website visits.
Chenega MIOS SBU
Chenega MIOS SBU is a defense and space manufacturing company providing advanced analytics, cybersecurity, and engineering services; with 157 employees (+11.8% YoY growth), $5.9M annual revenue, founded in 2010, headquartered in Lorton, Virginia, USA. The company actively offers penetration testing services, demonstrating active testing and exploitation capabilities.
Applied Fundamentals Consulting
Applied Fundamentals Consulting is a defense and space manufacturing firm based in Herndon, Virginia, with 14 employees and 13% YoY growth. The company offers customized training, operational support, and technical services, including penetration testing to assess security vulnerabilities and enhance cybersecurity defenses.
Cybert Systems
Cybersecurity company headquartered in Winchester, VA, providing penetration testing services to identify vulnerabilities and ensure compliance; based in Virginia, United States.
HRCT
Virginia-based IT company headquartered in Portsmouth, VA, specializing in cybersecurity services including penetration testing; offers dedicated pentest services and educational content on ethical hacking and defense testing.
Bg Consulting Services
Virginia-based federal contractor specializing in cybersecurity; provides penetration testing (pentest) services as part of IT solutions; Service-Disabled Veteran-Owned, 8(a), Woman-Owned Small Business, delivering secure, agile, and performance-driven solutions for government agencies.
New River Computing
Managed IT and cybersecurity services provider based in Blacksburg, Virginia; offers penetration testing, vulnerability scanning, and comprehensive IT management solutions.
Vanjure
IT services and consulting company based in Reston, Virginia; provides network, cloud, data analytics, project management, and cybersecurity assessment services including penetration testing; 5 employees with 133.3% YoY growth, serving federal and innovative clients.
Evolver
IT services and consulting company specializing in digital transformation, cybersecurity, and scalable tech solutions; 132 employees (+7.0% YoY growth), $72.8M annual revenue, founded 2000, headquartered in Reston, Virginia, USA; provides penetration testing services as part of its cybersecurity offerings.
Assured Enterprises, Inc.
Cybersecurity company based in Vienna, Virginia, specializing in penetration testing services; explicitly lists troubleshooting and pentest operations on its site, confirming active pentest capabilities.
Sarela Technology Solutions
Cybersecurity and IT solutions provider headquartered in Leesburg, Virginia; specializes in penetration testing, cyber operations, compliance, cloud engineering, and mission-critical hardware solutions for government clients.
River Front Services, Inc.
Defense and space manufacturing company specializing in engineering and cybersecurity services, including penetration testing; based in Reston, Virginia, with 4 employees and a 22.2% YoY workforce decline • 2011 founding; private; serves DoD, DHS, intelligence, space sectors; offers systems engineering, cyber security, architecture development, and special missions support.
Chenega Systems
Cybersecurity and technology solutions provider based in Lorton, Virginia; offers penetration testing services confirmed through GSA contract documentation and capability listings.
Section9Labs
Security consulting company specializing in penetration testing, source code audits, and vulnerability management; based in Seattle, WA, founded in 2013, with 2 employees. Offers network, web, mobile, and APT-style penetration tests, along with reverse engineering services.
Anvil Secure
Anvil Secure is a private cybersecurity company specializing in penetration testing, embedded systems, and vulnerability research; with 34 employees (+14.6% YoY growth), founded in 2016 and based in Seattle, Washington. They focus on bespoke security consulting, including code review, reverse engineering, and risk mitigation, serving a global client base. The company has 1,840 monthly website visits and ranks #7,648,932 globally.
Achilleus
Cybersecurity company specializing in penetration testing and security consulting; 6 employees with -8.3% YoY growth; $134K annual revenue; based in Vancouver, Washington, USA; offers ethical hacking, vulnerability assessment, threat management, and security auditing services.
PurpleSec
PurpleSec LLC is a private cybersecurity firm based in Washington, D.C., founded in 2019, with 3 employees and +133.3% YoY growth. Specializing in penetration testing, vulnerability management, and risk assessments, it serves SMBs and startups. The company has 73,014 monthly website visits, a global rank of #505,211, and competes within the cybersecurity consulting and network security sectors.
True Positives
Cybersecurity company specializing in managed application security testing and automated vulnerability scanning; 6 employees, founded 2020, based in Chehalis, Washington, USA; offers expert-led penetration testing with real-world attack validation, focusing on high-value web applications, and operates in the software security and MSSP sectors.
Mirai Security
Cybersecurity company specializing in governance, risk management, compliance, cloud security, and application security; offers penetration testing services supported by case studies; 20 employees with 12.5% YoY growth; headquartered in Seattle, Washington, USA.
Rhino Security Labs, Inc
Private information services company specializing in penetration testing; focuses on cloud (AWS, GCP, Azure), network, and web application pentesting with manual, deep-dive engagements. Founded in 2013, headquartered in Seattle, WA; 6 employees; $2.5M annual revenue; recognized as a top penetration testing firm with active involvement in security advisories.
Advantage Partners
Cybersecurity company specializing in security and compliance services for tech firms; offers penetration testing services as confirmed by their website and PR release; 20 employees with 114.3% YoY growth; founded in 2023; headquartered in Seattle, Washington, USA.
Allwire Technologies
Allwire Technologies is a private computer networking and IT security firm founded in 2011, with 4 employees and 16.7% YoY growth; based in Sammamish, Washington. They offer hybrid infrastructure solutions, act as outsourced CIOs, and perform penetration testing, emphasizing secure, compliant IT services.
Securitybricks, Inc.
Cybersecurity company specializing in penetration testing, offensive security, and compliance support; 14 employees; headquartered in Seattle, Washington, with a focus on cloud security, GRC, and application security services.