Find a Pentest Company in Missouri
There are 41 penetration testing companies in Missouri. 95% are small firms (50 or fewer employees) and 5% are larger organizations.
Tenfold Security
Cybersecurity and investigations company specializing in cloud security, penetration testing, and risk assessments; 9 employees with 8.3% monthly and yearly growth; founded 2021; headquartered in Kansas City, Missouri; $200K seed funding; offers active penetration testing, real-time risk assessments, and cybersecurity consulting.
RST Labs
IT services and cybersecurity consulting firm specializing in penetration testing and red teaming; offers web, API, network, mobile, and cloud pentest services with tooling focused on security testing; 2 employees, founded 2014, based in St. Louis, Missouri, with 312 monthly website visits.
NTP Cyber Security
Cybersecurity company specializing in network and computer security; 21 employees with 15% YoY growth, $33.8M revenue, founded 1999, based in Ellisville, Missouri, offering penetration testing, threat monitoring, and compliance solutions.
Night Lion Security
Cybersecurity and IT consulting company specializing in penetration testing; provides explicit pentest services confirmed by dedicated service pages and categorization; based in St. Louis, Missouri, with $7M annual revenue, founded in 2012, and a small team of 2 employees.
Zirrus One
Zirrus One is a private telecommunications and managed IT services provider specializing in cybersecurity solutions, including penetration testing, with 9 employees and 8.3% YoY growth; founded in 2016 and headquartered in Saint Louis, Missouri, USA. The company offers comprehensive cybersecurity, cloud consulting, and IT infrastructure support, serving clients through strategic partnerships and innovative tech solutions.
SpearTip
Cybersecurity company specializing in threat intelligence, penetration testing, and security consulting; 25 employees with 12.5% YoY growth, $7.2M revenue; founded 2005; based in St. Louis, Missouri, United States; offers adversary emulation, vulnerability assessments, incident response, and targeted security services.
Exodus Technologies
Exodus Technologies is a private IT services and consulting company with 2 employees headquartered in Florissant, Missouri, USA. The firm specializes in cybersecurity, network penetration testing, strategic IT planning, network consulting, and VOIP management, serving niche markets such as financial, legal, and professional offices. It explicitly provides penetration testing services, as indicated by its website and profile.
Stop wasting time on security questionnaires
ResponseHub uses AI to automate your security questionnaire responses. 100% confidence, save days, unblock deals.
Depth Security
IT services and consulting company specializing in penetration testing and offensive security; 10 employees with 7.1% monthly growth, $3.7M revenue, founded 2006 in Kansas City, Missouri, USA. Focuses on real-world attack simulations and vulnerability discovery, with notable industry activity and a niche market position.
Superior Consulting, LLC
Banking consulting firm specializing in IT security, regulatory compliance, and cybersecurity services including penetration testing; 4 employees, $5.5M revenue, founded 2003, Springfield, Missouri.
Missouri Cybersecurity Center of Excellence
Cybersecurity education and assessment provider; offers penetration testing, cybersecurity training, assessments, SIEM, SOC, and curriculum development; 18 employees with 133.3% YoY growth; headquartered in Springfield, Missouri.
USA CYBER
Private information services company founded in 2023; 17 employees; headquartered in St. Louis, Missouri, USA; offers cybersecurity testing including penetration testing, managed IT, network design, and digital forensics; focuses on cybersecurity solutions with a growing service portfolio.
Certified NETS Inc.
Cybersecurity company specializing in computer and network security; provides penetration testing services explicitly listed on their website, with a dedicated 'Network Penetration Testing' page; 6 employees, +75% YoY growth, $3.8M revenue; based in St. Louis, Missouri, founded in 1996; serves SMBs in the local area with a focus on proactive, strategic technology services.
RAVENii
Cybersecurity company specializing in network security, incident response, and managed security services; provides penetration testing including external/internal network, web app, and vulnerability assessments; 6 employees; Founded 2014; Kansas City, Missouri.
TecMe
IT services and consulting company specializing in tech support, cybersecurity, and penetration testing; founded 2020 in St. Louis, Missouri; 4 employees; offers vulnerability scanning and security assessments as key services.
Advertise on pentest.fyi
You could be here!
Midwest Independent BankersBank
Private banking company based in Jefferson City, Missouri, founded in 1984; 27 employees, $11.7M revenue; specializes in correspondent banking products and services for community banks; provides penetration testing services including IT audits and internal penetration tests, supported by multiple references.
Lantern Security
Cybersecurity company specializing in penetration testing, digital forensics, and security assessments; 2 employees with -14.3% YoY growth; founded 2005 in St. Louis, Missouri; focuses on application and network security testing, incident response, and security controls.
O'Reilly Development Company, LLC
O'Reilly Development Company, LLC is a private real estate company based in Springfield, Missouri, founded in 2013, with 7 employees and $7.4M annual revenue; it also operates Working Security, which offers penetration testing, cloud security, virtual CISO, and forensics services, emphasizing cybersecurity expertise and growth (+44.4% YoY).
Tigerhawk Technologies
IT services and consulting company specializing in SMB solutions, cybersecurity, and cloud computing; offers penetration testing services to identify network vulnerabilities; founded 2005; headquartered in Hannibal, Missouri, with 2 employees and +16.7% YoY growth.
Reliable Testing Services NDT
Private NDT service provider with 2 employees, based in St. Louis, Missouri; offers penetrant testing including Liquid Penetrant Testing, emphasizing asset protection and quality assurance.
Parameter Security
Private cybersecurity firm based in Chesterfield, Missouri; specializes in penetration testing, security assessments, and compliance services; 6 employees, $4.2M revenue, founded 2006, +25% YoY growth, active in PCI DSS and vulnerability assessments.
Midwest Networking Services, LLC
Missouri-based managed IT and cybersecurity company; offers penetration testing and vulnerability scanning services; headquartered in St. Louis, Missouri; active in cybersecurity solutions with a local focus.
QStack
QStack is a private software development company specializing in test automation frameworks that help accelerate and maintain high-quality application releases; based in Saint Louis, Missouri, USA, with 2 employees, it operates in software testing, QA, web development, and web design categories. The company also provides penetration testing services, confirmed by their QAServices page and brand references.
Digital Sentry
Cybersecurity firm specializing in offensive security, vulnerability assessments, and penetration testing; based in Missouri, USA, with 1 employee; offers security testing, hardening, and training services, emphasizing real-world attack simulations and compliance.
Digital Maelstrom
IT services and consulting company based in Kansas City, Missouri; specializes in custom software, security, and IT strategy; offers active penetration testing services including network, system, and application testing; 6 employees; founded 2006; $304.9K annual revenue.
ACIS IT Solutions
IT services company based in Springfield, Missouri; 4 employees, $331.8K revenue, founded 1999; offers network security, consulting, and penetration testing services; 2,357 monthly visits, global rank #5,216,207; competes locally and globally.
Night Lion Security
Cybersecurity company specializing in dark web threat intelligence, ransomware negotiations, and digital investigations; offers penetration testing and breach mitigation services; based in St. Louis, Missouri, with a focus on dark web and breach response solutions.
Alexander Cybersecurity
Missouri-based cybersecurity company specializing in managed security services and penetration testing; operates from Kansas City, MO; provides simulated attack assessments and digital forensics.
Karpel Solutions
Missouri-based cybersecurity and IT services provider; offers penetration testing, managed security, and network solutions; headquartered in St. Louis, MO, with primary office at 9717 Landmark Parkway Drive Suite 200.
Model Technology Solutions
IT services company specializing in cybersecurity and threat management; provides penetration testing (pentest) services with quarterly engagements. Headquartered in Missouri, United States, at 12125 Woodcrest Executive Drive Suite 160, St. Louis, MO 63141.
Stop wasting time on security questionnaires
ResponseHub uses AI to automate your security questionnaire responses. 100% confidence, save days, unblock deals.
Pearl Solutions Group
IT services and support company based in St. Louis, Missouri; offers cybersecurity services including penetration testing, vulnerability assessments, phishing simulations, and ethical hacking; emphasizes proactive security and strategic IT support for businesses.
Alliance Tech
Alliance Tech is a private IT services and consulting firm based in Chesterfield, Missouri, founded in 2000, with 11 employees and $1.2M revenue; specializes in cybersecurity, network security, disaster recovery, virtualization, and cloud solutions; explicitly offers penetration testing and ethical hacking services, with +90% YoY growth and active social media presence.
Synergy Data Recovery
Synergy Data Recovery is a private IT services and consulting firm specializing in data recovery from hard drives, RAID arrays, servers, and virtual systems; 3 employees; based in Chesterfield, Missouri; offers 24/7 emergency and free diagnostics; provides data, disaster recovery, and security testing services including penetration testing and vulnerability assessments.
KPM Technology
KPM Technology is an IT & Services company based in Springfield, Missouri, founded in 1999 with 10 employees and $4.3M revenue; specializes in network management, security audits, and penetration testing, with a focus on simplifying IT for clients and maintaining a 4.5% YoY growth.
Acropolis Technology Group
IT solutions provider based in Missouri, United States; specializes in cybersecurity with explicit penetration testing services, including vulnerability exploitation and risk validation.
Covene
Covene is a Missouri-based IT services provider specializing in 24x7 managed IT services and cybersecurity, including penetration testing; headquartered in St. Louis, Missouri, with certified engineers in Microsoft, Cisco, and other technologies, offering tailored solutions.
PDI Security & Network Solutions
Cybersecurity company based in Kansas City, Missouri, specializing in managed security services and penetration testing; rebranded from Nuspire, with a focus on red team pentests and comprehensive cybersecurity solutions.
Kansas City Tech
IT service provider based in Missouri, serving the Kansas City Metro; offers small business IT support, onsite computer repair, server management, Office 365, email, backup, recovery, and penetration testing services.
Atredis Partners
Information security consultancy based in Saint Louis, Missouri; specializes in penetration testing, attack simulation, advanced network testing, and platform security assessments; actively offers active, simulated attack testing services.
Pearson-kelly Technology
Cybersecurity company based in Springfield, Missouri; specializes in penetration testing and vulnerability assessments, explicitly offering VAPT services as confirmed by LinkedIn activity; headquarters in Springfield, MO, serving clients with advanced cybersecurity solutions.
ThrottleNet, Inc.
Missouri-based IT support and cybersecurity provider; offers penetration testing as part of its cybersecurity assessments, emphasizing regular security evaluations and compliance testing; headquartered at 12970 Maurer Industrial Dr., St. Louis, MO 63127.
Alliance Technologies, LLC
IT solutions provider based in Missouri, specializing in cybersecurity including penetration testing; headquartered in St. Louis, MO; offers security assessments and consulting to identify vulnerabilities and prevent cyber attacks.