Find a Pentest Company in Ohio
There are 78 penetration testing companies in Ohio. 82% are small firms (50 or fewer employees) and 18% are larger organizations.
ATTACKD
Cybersecurity company specializing in penetration testing services such as network, web application, mobile, and wireless testing; founded in 2015, with 2 employees, headquartered in Lewis Center, Ohio, USA, focusing on identifying vulnerabilities from an attacker's perspective.
Nexus Cyber
Cybersecurity company specializing in penetration testing, managed security services, and incident response; founded in 2024, based in Independence, Ohio, with 2 employees (+200% YoY growth). The firm focuses on real-world attack simulations to identify vulnerabilities and strengthen security defenses.
Helios Security
Cybersecurity and network security company specializing in penetration testing, including AI-assisted services; 2 employees; headquartered in Columbus, Ohio; offers vulnerability assessments, web application security, and security consulting for SMBs and enterprises.
Inversion6
Inversion6 is a cybersecurity-focused IT Services and IT Consulting firm based in Westlake, Ohio, with 37 employees and 7.4% annual growth. The company provides penetration testing and managed cybersecurity services, including autonomous penetration testing, and has recently expanded into the UK and EU markets. It maintains a web presence with 3,989 monthly visits and competes with firms like inmatica and intelisecure.
BlueHat
IT services and cybersecurity company based in Mason, Ohio; 2 employees; founded 2020; provides managed security, endpoint and network monitoring, cloud solutions, backup, email security, cybersecurity training, and penetration testing services in Cincinnati, OH.
Fentron
Fentron is a private IT & Services firm specializing in enterprise security architecture, incident handling, and penetration testing; with 5 employees and 20% YoY growth, founded in 2008 and based in Westerville, Ohio. The company provides cybersecurity testing, vulnerability management, and CISO advisory services.
TrustedSec
Cybersecurity company specializing in computer and network security; 77 employees, $2.5M revenue, founded 2012, headquartered in Fairlawn, Ohio; offers penetration testing, vulnerability assessment, and incident response services; CREST-certified for penetration testing; recently acquired Trimarc.
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Interhack
Cybersecurity and IT services firm specializing in penetration testing, forensic analysis, and incident management; founded in 2000, with 4 employees, based in Columbus, Ohio, USA. Known for expertise in cybersecurity, information assurance, and digital forensics, with a web presence of 1,555 monthly visits and a global rank of #9,649,167.
Hurricane Labs
Cybersecurity company specializing in managed security services and Splunk expertise; provides penetration testing, SIEM, threat detection, and 24x7 SOC support; 51 employees, $9.5M revenue, founded 2003 in Beachwood, Ohio, with a global rank of #2,774,296 and US rank of #1,474,584.
Cyber Security Services
Cyber Security Services is a U.S.-based cybersecurity firm founded in 2014 in Westerville, Ohio, with 5 employees and $18.5M annual revenue. It specializes in penetration testing, risk reduction, and cybersecurity consulting, providing enterprise-grade security solutions and ethical hacking services to protect businesses of all sizes.
Obviam
Obviam is a cybersecurity-focused IT services and consulting company based in Cincinnati, Ohio, with 6 employees. It specializes in providing tailored security solutions, including penetration testing, security assessments, monitoring, and threat detection, serving as a trusted MSSP in the cybersecurity landscape.
SpaceBound, Parent Company of SpaceBound Solutions
IT services and consulting company specializing in managed IT, physical security, and security assessments; provides penetration testing services; 23 employees, founded 1987, based in Lagrange, Ohio, with $5.6M annual revenue; active in security and infrastructure solutions.
Stealth by FATAL
Cybersecurity company specializing in penetration testing; founded 2023, based in Mayfield Heights, Ohio; 2 employees with 50% monthly growth and 66.7% YoY decline; provides high-tier, personalized security services for clients across sectors.
Yearling Solutions
IT services and cybersecurity consulting firm specializing in penetration testing, cyber resilience, and strategic staffing; founded in 2024 with 5 employees in Columbus, Ohio. Offers comprehensive pentest services including external/internal testing, web app security, API/mobile testing, and social engineering assessments, emphasizing cybersecurity expertise and AI-driven solutions.
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Kimmell Cybersecurity CMMC C3PAO
IT services and cybersecurity company specializing in penetration testing, CMMC assessments, and managed security services; 6 employees, $9.6M annual revenue, founded 2013, headquartered in Fairlawn, Ohio, with expertise in vulnerability testing, compliance, and high-value security advisory services.
Axe.AI
Cybersecurity company specializing in AI-augmented offensive security and penetration testing; supports red/purple team engagements with real-time vulnerability assessments, automated reporting, and security insights. Founded 2023; 4 employees; Dayton, Ohio.
Kaizen Solutions Group
Cybersecurity company providing penetration testing, risk management, and digital transformation services; 6 employees with 80% YoY growth; founded 2016; headquartered in Columbus, Ohio, USA.
Breachsense
Cybersecurity company specializing in data breach and dark web monitoring; provides real-time breach detection for enterprise security, managed service providers, and penetration testers; monitors 300+ billion PII records, 30 billion passwords, and 50+ breach sources daily; founded 2019 in Cleveland, Ohio; offers penetration testing and red teaming services.
SubRosa
IT services and cybersecurity consulting firm based in Beachwood, Ohio; 9 employees with -14.3% YoY growth; offers penetration testing, risk management, and compliance services; founded 2017; 4,953 monthly website visits; global rank #3,620,813.
MicroSolved, Inc.
Cybersecurity consulting firm specializing in computer and network security; provides penetration testing, vulnerability assessments, and threat modeling with $5.3M annual revenue and 4 employees; based in Columbus, Ohio, founded 1992.
Unveil Security Group, LLC.
Unveil Security Group, LLC. is a cybersecurity company specializing in security testing services such as penetration testing, vulnerability assessments, and social engineering initiatives. Founded in 2016 and headquartered in Reynoldsburg, Ohio, it has 4 employees with 200% YoY growth and is a service-disabled veteran-owned business. The firm offers independent third-party evaluations to ensure client security.
RISCPoint
IT services and consulting company specializing in security and compliance; 30 employees with 19.4% YoY growth; based in Cleveland, Ohio, founded 2018; offers penetration testing, cybersecurity, and compliance services including FedRAMP, SOC 2, NIST, ISO, HITRUST; maintains a modest web presence with 1,658 monthly visits.
Protectus
Cybersecurity company specializing in penetration testing, network security, and incident response; based in Cuyahoga Falls, Ohio, with 2 employees and $127K annual revenue; operated from 2002 until closure in 2020. Known for white-box testing methodology and comprehensive security solutions.
TTS Cyber
Cybersecurity and IT services provider specializing in threat detection, data protection, and secure network infrastructure; offers penetration testing, risk assessments, and managed security services for SMBs and SMEs; based in Columbus, Ohio with 3 employees; founded in 2018.
DazzleCatDuo
Cybersecurity consulting firm specializing in penetration testing, red teaming, reverse engineering, and security advisory; 2 employees, founded 2014, headquartered in Columbus, Ohio, United States; offers security education, training, and research services.
Fortress Security Risk Management
Cybersecurity firm providing penetration testing, vulnerability assessments, and managed security services; based in Cleveland, Ohio, with 36 employees and 2.1% monthly growth • Offers full-spectrum cybersecurity protection and co-managed security solutions; recent acquisitions by Fulcrum IT highlight strategic expansion.
Gamma Force
Gamma Force is a private information services company based in Powell, Ohio, specializing in cybersecurity and technology strategy; it has 2 employees with 33.3% YoY growth. The firm provides penetration testing services, including purple team exercises that combine red-team attack emulation with blue-team defenses, emphasizing a business-focused approach to cybersecurity and risk management.
Stealth Entry Cyber Security Solutions
Cybersecurity company specializing in computer and network security; founded in 2009 with 2 employees, based in Westerville, Ohio, USA; offers penetration testing, cloud security, application development, and secure infrastructure services; certified SBA 8(a), SDVOSB, and Ohio Minority Business Enterprise.
TacRaven Solutions LLC
Cybersecurity company providing penetration testing, application & network security services; based in Dayton, Ohio, with a focus on defense and critical infrastructure; offers educational tools, threat maps, weekly reports, and offline-first security solutions.
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SecureCyber
Cybersecurity firm headquartered in Moraine, Ohio, providing penetration testing services; offers tailored simulated cyber attack assessments to evaluate security defenses.
Essendis
Cybersecurity consulting firm specializing in cloud cybersecurity and penetration testing; based in Berea, Ohio, with expertise in network and application vulnerability assessments and simulated attack testing.
Centric Consulting
Business consulting firm specializing in AI, cybersecurity, cloud solutions, and penetration testing; 827 employees; $312.9M revenue; founded 1999; Dayton, Ohio; offers active offensive-security testing services to identify vulnerabilities, with a strong digital presence and global ranking at #1,003,375.
Q-Bit
Veteran-owned cybersecurity company based in Ohio; specializes in penetration testing and tailored cybersecurity services, emphasizing customized offensive security solutions.
Web Force Systems
IT services company based in Columbus, Ohio; provides digital workplace, consulting, security, helpdesk, managed IT, and healthcare IT solutions; explicitly offers penetration testing and vulnerability assessments, with service locations including Miami, FL, and Mason, OH; 2 employees; $21M annual revenue.
Storm7 Labs
Cybersecurity company based in Independence, Ohio, specializing in data security solutions; offers penetration testing, risk assessments, and security strategy development as core services. Located in Independence, Ohio, with verified headquarters at 6450 Rockside Woods Blvd, Ohio.
Intrust IT
Ohio-based IT support and cybersecurity company; provides managed IT services and penetration testing (pen test, Red Teaming, ethical hacking); headquartered in Cincinnati, Ohio, United States.
Virtus Cybersecurity
Cybersecurity firm specializing in penetration testing and security assessments; headquartered in North Royalton, Ohio, with verified location data from multiple sources. The company explicitly offers penetration testing services on its homepage.
Starsevensix
Cybersecurity firm based in Columbus, Ohio, specializing in penetration testing services; offers comprehensive security solutions to help clients address technology challenges.
Satius Security
Cybersecurity company based in Perrysburg, Ohio, specializing in continuous threat exposure management (CTEM) and penetration testing services; provides real-time security insights, expert-led pentests, and covers network, web, cloud, wireless, and social engineering engagements.
Warwick Communications
Cybersecurity service provider specializing in penetration testing; headquartered in Broadview Heights, Ohio, with a focus on Ohio-based businesses; offers exploit detection and cybersecurity risk assessments.
Certitude Security
Cybersecurity firm based in Dublin, Ohio; specializes in penetration testing and security assessments, including simulated attack exercises and red-team activities; headquartered in Dublin, Ohio, USA.
Cyber Espial
Cyber Espial is a cybersecurity firm based in Dublin, Ohio, specializing in penetration testing services for web, mobile, cloud, and network environments. The company offers PenTest PRO, an all-in-one pentest package tailored for budget-conscious businesses, emphasizing quick deployment and comprehensive offensive security testing.
ITSecureNow
Cybersecurity and managed IT services provider based in Ohio, United States; offers managed services, cybersecurity, and penetration testing; headquartered in Grove City, Ohio, with multiple sources confirming its Ohio location.
ASMGi
Managed IT services, security operations, GRC solutions, and software development provider headquartered in Cleveland, Ohio; offers penetration testing services including security and penetration tests to evaluate cybersecurity defenses.
LK Technologies
Cincinnati-based IT solutions provider specializing in cybersecurity, cloud services, and ongoing support; offers penetration testing to identify vulnerabilities and enhance security posture; headquartered in Cincinnati, Ohio, United States.
Compass Computer Group, Inc.
Managed IT services and cybersecurity provider headquartered in Twinsburg, Ohio; offers penetration testing and cybersecurity defense layers; serves clients in Ohio and beyond.
ProStratus
ProStratus is a managed IT service provider based in Springfield, Ohio, specializing in security, cloud, and data solutions; they explicitly offer penetration testing services to assess and strengthen client cybersecurity.
Finite State
Cybersecurity company specializing in connected device security; provides penetration testing services for IoT and supply chain security, with detailed use cases and datasheets. Based in Columbus, Ohio, USA.
Skynet Innovations
Cybersecurity and managed IT services provider based in Cincinnati, Ohio; offers penetration testing, cybersecurity risk assessments, cloud, VoIP, and co-managed support with a focus on fast response and strategic IT solutions for small businesses.
CTMS
Ohio-based managed IT and cybersecurity company specializing in proactive support, cybersecurity services, and penetration testing; offers vulnerability assessments and internal penetration tests; headquartered in Akron, Ohio, serving organizations across Ohio and the Midwest.
Emc Computers
Ohio-based IT company specializing in cybersecurity and penetration testing; offers full cybersecurity assessments including penetration tests; headquartered in Middleburg Heights, Ohio; serving the Greater Cleveland area.
Pro Oncall Technologies
Ohio-based IT services company specializing in cybersecurity; offers penetration testing, cybersecurity audits, and server hardening; 80+ years of experience, 24/7 support, over 100,000 tickets closed, serving Columbus, Dayton, Cincinnati.
Caesar Creek Software
Cybersecurity firm specializing in penetration testing and red-team services; provides cyber research and development for federal clients; headquartered in Miamisburg, Ohio, with a focus on medical device security.
Great Lakes Computer Corporation
IT services provider based in Avon, Ohio; offers cybersecurity, managed IT, and penetration testing services; specializes in enterprise-level protection for small businesses; founded in 1990.
Keytel Systems
Ohio-based IT support and managed services provider since 1984; offers cybersecurity solutions including network penetration testing and vulnerability assessments; headquartered in Reynoldsburg, Ohio, serving businesses, non-profits, and government entities.
AhelioTech
IT consulting and cybersecurity firm headquartered in Columbus, Ohio; specializes in penetration testing and managed IT services to support business growth.
TKG
North Canton, Ohio-based digital marketing and IT services firm; offers web design, marketing, and IT solutions with a focus on security testing, including penetration testing and security audits; supports clients across various industries.
Impromptu Success
Cybersecurity and technology solutions provider based in Columbus, Ohio; offers penetration testing, business services, and repairs with a focus on fast, reliable, impromptu service. Provides advanced cybersecurity assessments, vulnerability testing, and security audits for businesses.
Armoureye
Cybersecurity firm based in Cincinnati, Ohio, providing managed security services including penetration testing; leverages expert guidance to strengthen MSPs and IT consultants' client offerings.
CTL Engineering
Ohio-based full-service consulting engineering firm; offers environmental, geotechnical, construction, accident reconstruction, roofing, testing, and cybersecurity services including penetration testing; employee-owned with ESOP; headquartered in Columbus, Ohio, relocated to New Albany, Ohio.
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Moda Experts
Cybersecurity firm based in Mason, Ohio, specializing in IT security optimization and penetration testing services; offers network, web, mobile, wireless, and social engineering testing to identify vulnerabilities for SMBs.
Ensemble Health Partners
Healthcare revenue cycle management company headquartered in Cincinnati, Ohio; provides financial process optimization for hospitals and physician practices; also offers penetration testing (pentest) services as part of its cybersecurity capabilities, with active roles indicating ongoing pentest work.
Blair Carlisle
Cybersecurity consulting firm specializing in technology risk, compliance, and cybersecurity advisory; headquartered in Columbus, Ohio, with a focus on penetration testing services to evaluate and improve security defenses.
Acendex
Cybersecurity firm based in Beachwood, Ohio, providing penetration testing services; specializes in quick troubleshooting and proactive IT support with certifications including Microsoft Gold Partner, Cisco CCNA, and Hewlett Packard Enterprise.
Digital Forensics Corp
Cybersecurity and digital forensics firm headquartered in Cleveland, Ohio; provides penetration testing, cyber-security assessments, and forensic analysis services; offers award-winning pentests and cyber security evaluations.
PCR Business Systems
Outsourced IT company based in Akron, Ohio, specializing in cybersecurity, tech support, and managed IT services; offers penetration testing and vulnerability assessments to identify security weaknesses; serves Akron and Northeast Ohio.
ByteIT
Managed IT solutions provider based in Cleveland, Ohio; offers cybersecurity, cloud services, and IT infrastructure; provides automated network penetration testing via vPenTest platform, emphasizing offensive security testing capabilities.
FIT Technologies
Managed IT services provider based in Cleveland, Ohio, specializing in tailored IT solutions, cybersecurity, and productivity; offers penetration testing services as part of its cybersecurity portfolio.
Go2it Group
Managed IT services and cybersecurity solutions provider; headquartered in Westlake, Ohio, with explicit penetration testing services involving simulated cyberattacks to identify vulnerabilities.
Corporate Technologies Group
IT solutions provider based in Hudson, Ohio, with operations in Akron and Northeast Ohio; offers penetration testing, security assessments, and IT support services; headquartered in Hudson, OH, with a focus on cybersecurity and network security.
CBIZ
CBIZ is a professional services company headquartered in Ohio, United States, specializing in financial, insurance, and advisory services; it explicitly offers penetration testing services to identify vulnerabilities and assess cybersecurity resilience.
Summit Digital Networks
Computer networking products company providing cybersecurity, risk assessment, and penetration testing services; based in Ohio with $22.2M revenue, 2 employees, founded in 2000, specializing in infrastructure design, system integration, and vulnerability assessments.
NO NAME IT, LLC
IT Services and cybersecurity consulting firm based in Dayton, Ohio; 2 employees; founded 2020; specializes in managed security services, penetration testing, compliance, dark web monitoring, and disaster recovery; explicitly provides penetration testing services as part of its MSSP offerings.
EasyIT
Managed IT services provider based in Dublin, Ohio; offers network support, remote support, help desk, and cybersecurity including penetration testing; serves Columbus and Central Ohio.
Vigilant
Cybersecurity company specializing in computer and network security; 19 employees with 19.6% YoY growth; headquartered in Cincinnati, Ohio; founded in 2010. Provides penetration testing, vulnerability assessments, incident response, and secure wireless solutions to industries including healthcare, automotive, and finance.
Centerlink Technologies, LLC
Ohio-based IT services and consulting firm specializing in cybersecurity, including penetration testing, vulnerability scans, and endpoint security; headquartered in Akron, Ohio, with extensive experience in IT infrastructure and network security.
Sentry Assurance
IT services and consulting company specializing in penetration testing; based in Cleveland, Ohio, with 3 employees; operates in healthcare and cybersecurity compliance categories including SOC 2, ISO 27001, GDPR, and HIPAA; no workforce growth; 1,206 monthly visits; global rank #11,457,148.
Doran Manufacturing
Cybersecurity and vehicle technology company specializing in penetration testing, compliance audits, and tire monitoring systems; 17 employees, $14.5M revenue, founded 1953, headquartered in Cincinnati, Ohio, USA; focuses on trusted commercial vehicle solutions and service innovation.