Find a pentest company with CISSP
431 companies have this certification
CyberAdviser
CyberAdviser is a cybersecurity company headquartered in Tallinn, Estonia, providing security consulting and penetration testing services. They explicitly list penetration testing as a core offering, covering OS, web apps, web services, components, and devices, demonstrating their expertise in security assessments.
Datami
Cybersecurity firm based in Tallinn, Estonia, providing penetration testing services for 8 years; covers 34 countries across 5 continents; specializes in vulnerability assessment, ethical hacking, and breach prevention with experienced security professionals.
Kamea Security
Cybersecurity company specializing in penetration testing, risk assessment, and SOC services; 8 employees; headquartered in Paris, France; offers 24/7 cyber risk management, consulting, SOC integration, intrusion testing, and Red Team as a Service.
XMCO
Cybersecurity consulting firm specializing in penetration testing, security audits, and incident response; 93 employees (+21% YoY growth); $5M-$25M revenue; Founded 2002; Paris, France; CERT & PCI QSA certified.
Hervé Schauer Consultants (HSC)
Cybersecurity company specializing in security audits and penetration testing; 27 employees with +3.0% YoY growth; founded in 1989; based in Neuilly-sur-Seine, France; offers infrastructure audits, web and wireless penetration tests, and risk management services.
AKAOMA
AKAOMA is a France-based cybersecurity firm founded in 2002, specializing in digital risks, employee training, intrusion testing, and post-incident support; with 2 employees and $236K annual revenue, it offers penetration testing services and operates in the cybersecurity industry.
ACG Cybersecurity
Cybersecurity company based in Paris, France; founded in 2019; offers penetration testing (pentest) services including internal and external audits, with explicit service descriptions and promotional content.
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LimberSecurity
Cybersecurity company specializing in computer and network security; offers red teaming and maturity assessment services, with 5 employees and 500% YoY growth; founded in 2022; based in France.
Orange Cyberdefense SA
French cybersecurity firm based in Paris La Défense; provides penetration testing, red teaming, and threat-led security testing services, demonstrating a focus on active defense and attack simulation capabilities.
Systelium
France-based consulting firm specializing in AI and cybersecurity; offers penetration testing, audits, and compliance services; employs over 100 experts; headquartered in Paris, France.
SSHack
Cybersecurity firm headquartered in Paris, France, specializing in penetration testing, Red Team, and security audits; offers comprehensive vulnerability assessments including infrastructure, web, and Active Directory security, with expertise in identifying zero-day vulnerabilities and providing offensive security services.
Sekera
Cybersecurity company specializing in penetration testing and red teaming; based in France with headquarters confirmed by website language and company profile; offers risk management and cybersecurity solutions.
Magellan Sécurité
Cybersecurity company headquartered in Paris, France; offers penetration testing, cybersecurity audits, and incident response services; specializes in operational security solutions and tailored technical offerings.
DBM Partners
Cybersecurity consulting firm based in Paris, France, specializing in penetration testing and red team exercises; 22 employees, founded in 2012, with a focus on cybersecurity audits, compliance, and cyber projects.
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bugshell
Cybersecurity company specializing in penetration testing and security services; founded in 2021, 6 employees (+16.7% YoY growth), headquartered in Berlin, Germany. Offers a European penetration testing platform with services including security seals, phishing, consulting, and training.
Passeca
Passeca is a private cybersecurity company specializing in computer and network security with a focus on penetration testing services, including simulated attacks and vulnerability assessments across web, mobile, API, network, cloud, and Wi-Fi environments. The company has 3 employees, indicating a small team, and is headquartered in Forbach, Baden-Württemberg, Germany, with verified addresses and listings confirming its location in Germany.
Awaretec GmbH
German-based cybersecurity firm specializing in penetration testing and red teaming; offers comprehensive attack simulation services including web, network, mobile, and cloud pentests; operates on a .de domain and is corroborated by German incorporation and headquarters profiles.
CS Cyber Shield GmbH
German cybersecurity firm specializing in penetration testing and attack simulation; provides comprehensive cyber risk assessment and vulnerability analysis services to protect critical infrastructure and organizations in Germany.
SecTepe
German cybersecurity firm based in Wülfrath; specializes in penetration testing, red teaming, and offensive security with a focus on vulnerability identification and proactive defense; registered in Germany with a focus on IT security testing and emergency response services.
Cyber Samurai GmbH
Germany-based IT security provider specializing in penetration testing, security awareness training, and SOC as a Service; headquartered in Vaterstetten, Bayern, with a focus on comprehensive cybersecurity solutions.
dig8ital
German cybersecurity company based in Munich; provides penetration testing (pentest) services, including IoT and comprehensive security assessments.
DIESEC
German-founded cybersecurity firm based in Darmstadt, Germany; provides penetration testing, SOC as a Service, and compliance solutions; specializes in analyzing and responding to cybersecurity threats with a focus on vulnerability exploitation and simulated attacks.
WALLSEC
Germany-based cybersecurity firm specializing in penetration testing; offers black box, grey box, and white box assessments for infrastructure and applications; 8 employees; Focus on personalized, high-quality security solutions in IT security, cloud security, and SAP security.
intersoft consulting services AG
IT services and consulting company based in Hamburg, Germany, with 48 employees and 12.2% YoY growth; specializes in data protection, IT security, and IT forensics, offering penetration testing services with experienced pentesters and recognized standards; active in industry events and social media.
SEKurity GmbH
German cybersecurity firm based in Düsseldorf; offers penetration testing, web application assessments, and security awareness campaigns; registered HRB 103918 with German VAT ID DE368583445.
Netzexperten
German-based IT security company specializing in penetration testing services; headquarters located in Krefeld, Germany; website content in German and focused on cybersecurity solutions for German organizations.
bi-sec GmbH
IT services and consulting company specializing in IT security and penetration testing; founded 2019, 2 employees, based in Ellhofen, Germany; offers security assessments, penetration testing, and security consulting, emphasizing a dual approach to technical and organizational security.
TwelveSec
Cybersecurity company specializing in penetration testing and threat-led attack simulations; 18 employees, 12% YoY growth, founded 2012, headquartered in Greece, offers comprehensive security assessments including TLPT, with 259 monthly website visits and active social media presence.
Silent Signal
Computer and network security company specializing in penetration testing and ICT security services; 13 employees; founded 2009; Budapest, Hungary; offers detailed pentest services including IBM i security testing, emphasizing thoroughness and research-driven quality.
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ITSecure Kft
ITSecure Kft is a Hungary-based IT security and consulting company founded in 2002, with 7 employees and +18.2% YoY growth. It specializes in cybersecurity services such as network security, multifactor authentication, security recovery, and vulnerability testing, including dedicated penetration testing services; headquartered in Budapest, Hungary.
QUADRON Analytica & Cybersecurity
IT services and cybersecurity firm based in Budapest, Hungary; 24 employees; founded 2014; specializes in penetration testing, VAPT, cybersecurity assessment, and security operations; serves global clients with a focus on governance, risk, and compliance.
Kancellar.hu
Hungary-based information security consulting firm specializing in penetration testing, ethical hacking, and security audits; markets itself as Hungary's leading infoSec advisor; offers comprehensive cybersecurity services.
Vendito
Cybersecurity company specializing in vendor- and tool-agnostic IT security engineering; offers penetration testing services; based in Szekszárd, Hungary with 3 employees.
Silent Signal
Hungarian cybersecurity company headquartered in Budapest; specializes in penetration testing, security assessments, code analysis, vulnerability testing, and social engineering; emphasizes world-class R&D and comprehensive ICT security services.
Elit Hacker
Cybersecurity firm based in Budapest, Hungary, with over 15 years of experience; specializes in penetration testing, vulnerability assessments, and ethical hacking services; serves domestic and international clients with a team of qualified engineers.
Netektív
Hungarian cybersecurity company based in Budapest; provides penetration testing, security audits, and cybersecurity consulting; explicitly references 'Security Testing' and 'ethical hacking' on its website.
Cycubix LTD
Cybersecurity company specializing in penetration testing and security consultancy; provides technical penetration testing services, vulnerability assessments, and security training in Ireland and online; founded 2011, headquartered in Ireland, with 2 employees. Focuses on business application security and offers a range of information security services.
Threatscape
Threatscape is a private cybersecurity firm specializing in penetration testing and IT security services; with 29 employees, founded in 2010, headquartered in Dublin, Ireland, and serving enterprise clients globally. The company explicitly markets external and internal penetration testing, web app security assessments, and cloud penetration testing, confirming its focus on cybersecurity.
Sync Security Srl
Cybersecurity company specializing in penetration testing and vulnerability assessments; provides risk analysis, data protection, and cyber defense solutions with a focus on security offensive services; 9 employees, founded 2018, based in Rome, Italy.
Aboutrust
Italian cybersecurity firm based in Venice; provides physical and digital security services including penetration testing (Red Team); headquartered at Via delle Industrie 27/7, Venice, Italy; VAT IT04733180279.
REDFROG Security
Italy-based cybersecurity firm specializing in penetration testing, breach & attack simulation, and red team operations; 2 employees with -50% YoY growth; founded 2015; headquartered in Rome, Italy; provides advanced security testing and threat mitigation services.
NEREALITATE, SIA
Latvia-based internet security consulting firm founded in 2000; offers information systems security consulting, audits, testing, and ethical hacking courses, explicitly providing penetration testing services.
IT Security BOSS
Latvia-based IT security consulting firm founded in 2016; offers penetration testing, IT audits, load testing, and management consulting; registered at Uzvaras iela 5-40, Jelgava, Latvia, registration number 40203013885.
DefSlate
Cybersecurity company based in Kaunas, Lithuania; offers penetration testing, security auditing, and risk assessment services; explicitly states penetration testing capabilities on service pages; headquartered in Lithuania with local contact details and address.
Excellium Services
Luxembourg-based cybersecurity company specializing in penetration testing and offensive security; headquartered in Contern, Luxembourg (5 Rue Goell, L-5326); provides penetration testing, red teaming, and cybersecurity consultancy services.
Cybergate Ltd.
Cybersecurity company specializing in penetration testing, infrastructure security, and web application security; 10 employees; headquartered in Malta; offers cybersecurity awareness training and mobile security services; maintains a modest web presence with 1,186 monthly visits and a global rank of #10,262,506.
iGamingSecurity
Malta-based cybersecurity firm specializing in penetration testing and cybersecurity training; offers web application and API pen testing services, emphasizing simulated attack capabilities and comprehensive cybersecurity solutions.
Navaio IT Security
IT security company specializing in penetration testing services such as web, app, API, OT, physical, and AD/AAD testing; based in the Netherlands with 21 employees, founded in 2017, and $25K in funding. The company emphasizes cybersecurity testing and compliance support.
Outflank
Cybersecurity company specializing in red teaming and offensive security tooling; 11 employees with 7.1% YoY growth, $2M revenue, founded 2016, based in Amsterdam, Netherlands • Provides penetration testing and advanced threat resilience services, with a focus on attack kill chain assessment and security training.
Lemonshark Cybersecurity
Cybersecurity firm headquartered in Utrecht, Netherlands; provides penetration testing and network security services, specializing in simulating cyberattacks to identify vulnerabilities in systems, networks, and applications.
Thice Security
Cybersecurity company specializing in penetration testing, red-teaming, incident response, and security consultancy; based in Grootebroek, Netherlands; founded 2015 by Thijs Bosschert with over 15 years of cybersecurity experience.
EHGI B.V.
Netherlands-based cybersecurity firm specializing in penetration testing and red teaming; actively conducts realistic attack simulations for medium and large organizations; registered in the Netherlands (KvK: 94674922) with an Amsterdam address at Papaverweg 34, 1032 KJ.
RedPack Cyber Security
Netherlands-based cybersecurity firm founded in 2024; specializes in penetration testing, red teaming, ethical hacking, and security testing services to improve organizational cyber resilience; 1 employee, active on social media.
secureway nl
IT Services and IT Consulting company headquartered in Amsterdam, Netherlands; specializes in cybersecurity, penetration testing, and PCI DSS compliance with over 20 years of experience.
Soteryan
Cybersecurity company specializing in threat hunting, data analytics, and penetration testing; 6 employees with 125% YoY growth; based in Amsterdam, Netherlands; founded 2014; provides threat intelligence, breach prevention, incident response, and vulnerability assessments to global clients.
Redteam.pl
Poland-based cybersecurity firm specializing in penetration testing and red teaming; 20+ years of experience; headquartered in Warsaw, Poland with official registration (KRS 0000718490, REGON 369466623, NIP 5252739138).
Inceite
Inceite is a private IT services and consulting company based in Warsaw, Poland, founded in 2017 with 4 employees; specializes in software development, cybersecurity, machine learning, and penetration testing for industries like banking and telecom; employs best practices and cutting-edge tech, with 33.3% monthly growth.
Z-Labs
Cybersecurity company specializing in offensive security and penetration testing; offers adversary simulation, red teaming, application and infrastructure security assessments; 2 employees, founded 2018, based in Sopot, Poland.
Securitum
Cybersecurity IT services company specializing in penetration testing and security audits; 35 employees, +22.9% YoY growth, founded 2009 in Kraków, Poland; offers web, mobile, infrastructure, and cloud security testing, along with training and public reports.
Prevenity
Prevenity is a Polish IT and cybersecurity company specializing in penetration testing services; founded in 2010, with 8 employees, headquartered in Warszawa, Poland, and active in the cybersecurity and IT services sectors.
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Red Cloud
IT services and consulting firm in Poland; 7 employees; specializes in cybersecurity with services including professional penetration testing and red team operations to enhance digital asset security.
SharpSec
SharpSec is a Poland-based IT services and consulting company specializing in offensive security, including advanced penetration testing, red teaming, and security assessments; with 1 employee, it focuses on cybersecurity and strategic resilience for clients.
Red Teaming
Cybersecurity firm based in Warsaw, Poland, specializing in penetration testing and red teaming; offers advanced cyberattack simulation services to evaluate organizational security posture and resilience.
Galach Consulting Sp. z o.o.
Cybersecurity firm specializing in penetration testing and security audits; 1 employee with 33.3% YoY growth; based in Poland; offers active penetration testing services including scanning and security validation; maintains a website with regular updates and social media presence.
Ikaria – IT Security Experts
Cybersecurity firm based in Lodz, Poland; offers penetration testing ('Testy penetracyjne'), network security solutions (UTM, firewall, DLP, WiFi); provides software, hardware, training, audits, and consulting services; explicitly headquartered in Lodz, Poland.
nFlo
Polish cybersecurity firm based in Warsaw; specializes in penetration testing, IT audits, and security assessments with explicit pentest services including simulated hacking attacks and red teaming; headquartered at ul. Ząbkowska 31, 03-736 Warszawa.
Datastorm
Polish cybersecurity firm based in Wrocław; provides penetration testing services for vulnerability assessment and remediation; officially registered as iConsulting Sp. z o.o. with KRS 0000585452, NIP 8992777516, and REGON 363004940; actively serves government and private sector clients.
Security Hub
Cybersecurity company based in Warsaw, Poland, specializing in penetration testing for web, desktop, and mobile applications; offers comprehensive security assessments aligned with OWASP TOP 10, OWASP ASVS, PCI DSS, and CVSS; staffed by certified security engineers.
CLICO
CLICO is a Poland-based private company specializing in computer and network security; 85 employees with 5% YoY growth, founded in 1991. The company provides network solutions, security services, and offensive security testing, including penetration tests conducted as controlled cyberattacks, and offers offensive-security training such as Red Teaming and EC-Council certifications. CLICO operates in a competitive landscape with firms like igovtt and acpl systems, and maintains active partnerships and social media presence.
BIT SENTINEL
Cybersecurity company specializing in penetration testing, incident response, and security consultancy; 14 employees; Founded 2015; Based in Bucharest, Romania; Provides independent pentest services and managed security solutions.
Netrunners
Cybersecurity company specializing in penetration testing and red teaming; founded in 2020 with 2 employees and 25% YoY growth; based in Sector 1, Bucharest, Romania; offers penetration testing, red team, security audits, and training services, staffed by senior security professionals.
SecurityONE
Cybersecurity company providing penetration testing, secure code review, mobile security testing, security assessment, security audit, compliance testing, and security awareness training; 3 employees; Founded 2021; Bucharest, Romania.
H-X Technologies
H-X Technologies is a Romanian-based private cybersecurity firm specializing in IT and Web3 security services, including penetration testing, security audits, compliance, and smart contract security. With 12 employees and founded in 2016, it serves sectors like finance, healthcare, and blockchain, offering security testing, consulting, and training services.
CYBERWALL RO
Cyberwall RO is a Romania-based cybersecurity firm specializing in penetration testing and cybersecurity audits; it has 1 employee, no recent growth, and explicitly offers penetration testing services as part of its cybersecurity solutions, serving various sectors including IoT, cloud, and automotive security.
OMEGA Trust
IT services and consulting company specializing in cybersecurity audits, penetration testing, and compliance; 10 employees; founded 2004; headquartered in Sectorul 1, Bucharest, Romania; offers cybersecurity, IT audit, and consulting services, with proven expertise in penetration testing and security certifications.
SysBlue Cyber Solutions
IT services and consulting company specializing in information security and managed cybersecurity; offers comprehensive penetration testing services; based in Bucuresti, Romania with 2 employees and a growing presence in the Romanian market.
Remilt Secure
Romanian cybersecurity firm based in Bucharest; specializes in penetration testing and cybersecurity audits with tailored solutions; registered in 2018 with CUI 39893490.
S.C. Orange România S.A.
S.C. Orange România S.A. is a private telecommunications provider headquartered in Bucharest, Romania, with 23 employees (+9.7% YoY growth) and over $1 billion in annual revenue. It has a strong online presence with 6.3 million monthly website visits and ranks #10,169 globally. The company explicitly offers penetration testing and security assessment services, supporting its role in cybersecurity and offensive security capabilities within the telecom sector.
SPARK42
Cybersecurity company specializing in penetration testing; 3 employees, founded 2024, based in Bratislava, Slovakia; provides vulnerability assessments, threat modeling, attack surface management, and physical security testing.
Haxoris - Get Hacked by Us!
IT services and consulting firm specializing in penetration testing and ethical hacking; 4 employees; founded 2024; headquartered in Bratislava, Slovakia; offers professional ethical hacking services and penetration testing.
Nethemba
Nethemba is a Slovak IT security company specializing in web application security and penetration testing; it has 5 employees, was founded in 2007, and generates about $94.4K annually. The firm offers penetration testing, security audits, RFID security audits, and active security research, distinguishing itself as the only Slovak/Czech provider of RFID security audits.
Istrosec
Cybersecurity company headquartered in Petržalka, Bratislava, Slovakia; provides threat intelligence, incident response, and cyber advisory services; offers penetration testing (ethical hacking); ISO/IEC 27001:2013 certified and TI accredited.
Accura
Cybersecurity firm based in Bratislava, Slovakia, specializing in penetration testing, ethical hacking, and comprehensive security assessments; offers end-to-end guidance for IT/OT asset management with cross-sector expertise to improve operational resilience.
Innotec Security
Innotec Security is a Spanish cybersecurity firm founded in 2002, with 55 employees and $50M annual revenue. They focus on cybersecurity and protection services, including penetration testing and threat simulation, utilizing advanced technology to deliver maximum security. Recent acquisitions by Accenture highlight their strategic importance in the cybersecurity landscape in Spain.
Tech Defense Europe
Cybersecurity consulting company specializing in penetration testing, vulnerability assessments, and security monitoring; based in Barcelona, Spain, founded in 2024, with 2 employees. Provides tailored cybersecurity solutions to protect digital assets and ensure regulatory compliance.
Securízame
Securízame is a Madrid-based private cybersecurity firm specializing in computer and network security consulting, audits, and penetration testing services; with 5 employees, founded in 2012. The company provides ethical hacking and pentesting courses, performs client penetration tests, and offers security solutions, maintaining a modest web presence with 1,158 monthly visits and a global rank of #10,687,729.
Secure State Cyber
IT services and consulting company specializing in cybersecurity and data privacy; offers penetration testing and risk analysis; 12 employees, $5M revenue, founded 2005 in Stockholm, Sweden.
Simovits Consulting
Cybersecurity consulting firm specializing in information and IT security; provides penetration testing, security reviews, vulnerability scans, and incident management with a focus on long-term client relationships. Founded in 1997, based in Stockholm, Sweden, with 14 employees and +5.3% YoY growth; known for adherence to industry standards like NIST SP800-115 and OWASP.
Cyber Security Consulting Sverige AB
Sweden-based cybersecurity company with 20+ years of experience; offers penetration testing, web application testing (OWASP), and cybersecurity analyses for private and public clients; headquartered in Sweden.
Hack23 AB
Sweden-based cybersecurity consulting firm specializing in ISO 27001, GDPR/NIS2, and AWS security; offers penetration testing, vulnerability assessments, and red team exercises; Gothenburg headquarters; over 30 years of expertise; CISSP/CISM certified.
Basalt AB
Swedish IT services and consulting company specializing in secure systems, military defense, and civil security; 98 employees, $7.1M revenue, with expertise in penetration testing, red-team activities, and security assessments. Based in Stockholm, with a focus on strategic security solutions and recent funding activities.
Blacklock Security
Cybersecurity company specializing in Penetration Testing as a Service (PTaaS); 7 employees, founded 2021, based in Thorndon, New Zealand; offers on-demand penetration testing through a click or DevOps integration; 3,528 monthly visits, global rank #4,447,192.
MedSecTesting
Cybersecurity testing company for medical devices; provides penetration testing, code reviews, reverse engineering, and cloud configuration services; founded 2023; 2 employees; based in South Brisbane, Australia; follows OWASP, CIS, ISO, TGA, FDA, and MDR standards.
Blacklight Security
Australian cybersecurity company specializing in penetration testing and red teaming; offers offensive security services including ethical hacking; based in Sydney, NSW 2000.
CYBER 7
Cybersecurity company specializing in penetration testing, cybersecurity assessments, governance, risk and compliance, and managed security services; 2 employees, founded 2017, based in Brisbane, Australia, providing end-to-end security solutions to protect sensitive information and ICT systems.
Cliffside Cybersecurity
Australian IT services and consulting company specializing in penetration testing across network, application, infrastructure, mobile, AI, and business logic; founded in 2014, with 2 employees, headquartered in Sydney, Australia. Focuses on honest, risk-based cybersecurity advice to address real security needs.
Mercury Information Security Services
Cybersecurity company specializing in penetration testing and security assessments; 11 employees; Founded 2015; Sydney, Australia; Offers internal, external, web, mobile, Wi-Fi, and other pentest services.
Volkis
Australian offensive cybersecurity consultancy specializing in penetration testing and red team services; headquartered in Sydney, NSW, with a focus on real-world vulnerability identification and defense testing.
CyberEdge Solutions Australia
CyberEdge Solutions Australia is a cybersecurity company headquartered in Brisbane, Australia, with multiple offices across the country. The firm specializes in offensive security, including penetration testing services, as indicated by their 'Offensive Security & Penetration Testing' offering on their website.
Triskele Labs
Cybersecurity company based in Melbourne, Australia; 88 employees with 26.5% YoY growth; specializes in cybersecurity advisory, governance, risk management, and web application security, including penetration testing services; founded in 2014; active in penetration testing and security compliance.