Find a Pentest Company in Spain
There are 150 penetration testing companies in Spain. 73% are small firms (50 or fewer employees) and 27% are larger organizations.
VULNEX
Cybersecurity company specializing in penetration testing, application security, and cyber intelligence; 2 employees, $547.6K revenue, founded 2012, Madrid, Spain; offers security assessments, offensive and defensive security products, and security training.
Redexploit, S.L.
Cybersecurity company specializing in Red Teaming, penetration testing, and hacking; based in Barcelona, Spain with 2 employees and experiencing 50% monthly growth. Provides security audits, continuous monitoring, vulnerability management, incident response, and social engineering services.
Zerod
Cybersecurity testing solutions company providing human-led pentesting augmented by technology; 9 employees with 50% YoY growth; founded 2022; headquartered in Barcelona, Spain; offers a platform for penetration testing, real-time reporting, and compliance support.
AptGetDefence
Cybersecurity company specializing in penetration testing, vulnerability assessments, and incident response; based in Spain with 4 employees, founded in 2017. Offers services such as penetration testing, data analysis, employee training, GDPR compliance, and backup solutions; active in cybersecurity incident response and malware mitigation.
SECRA SOLUTIONS
Cybersecurity and IT consulting firm specializing in penetration testing, offensive security, and security architecture; 4 employees, founded 2025, based in Mostoles, Spain; offers web, IoT/OT, wireless, and cloud pentesting services, with a focus on strategic security and GRC.
Tarlogic
Cybersecurity company specializing in cyber intelligence, penetration testing, and web security; 97 employees with 21.2% YoY growth; founded 2011; headquartered in Spain; recognized as Europe’s Fastest Growing Company by FT for three years; offers comprehensive penetration testing services including black-box, white-box, grey-box, internal, external, social engineering, and Wi-Fi testing.
DinoSec
Cybersecurity company specializing in penetration testing services, including multi-platform tests for web, wireless, mobile, and infrastructure; based in Madrid, Spain, founded in 2008, with 3 employees and a 33.3% YoY decline in growth.
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Cybertik:
IT services and consulting company specializing in offensive security and penetration testing; offers AI-driven cyber warfare simulations and automated threat detection; 2 employees with 100% YoY growth; headquartered in Malaga, Spain.
Puffin Security
Cybersecurity company specializing in penetration testing, cybersecurity assessments, and red team services; 2 employees with -14.3% YoY growth; founded 2010; based in Madrid, Spain.
AllPentesting
Cybersecurity company specializing in penetration testing, hacking training, and managed security services; 4 employees based in Spain; operates in digital security, cybersecurity, and web development; listed among top Spanish cybersecurity firms.
jtsec Beyond IT Security
Cybersecurity company specializing in security certifications, ethical hacking, and penetration testing; 47 employees (+3.4% YoY growth), founded 2016, headquartered in Granada, Spain; provides services including Common Criteria, FIPS 140-2, LINCE, PCI-PTS, and security consulting.
Internet Security Auditors
Internet Security Auditors is a Spain-based private cybersecurity firm specializing in computer and network security, with 26 employees and $4.6M annual revenue. The company offers penetration testing, ethical hacking, source code review, and forensic services, and is recognized for expertise in standards like ISO27001 and PCI. Founded in 2001, it maintains a modest web presence and competes globally with a ranking of #3,532,682.
Asperis Security
Asperis Security is a Spain-based private cybersecurity firm founded in 2022, specializing in offensive security services such as penetration testing, web security monitoring, ethical hacking, and cybersecurity consulting; with 2 employees and a focus on protecting vital business data.
Aiuken Cybersecurity
Cybersecurity company specializing in managed security, security integration, and cloud services; 93 employees (+15.4% YoY growth); founded 2012; headquartered in Boadilla del Monte, Spain; offers penetration testing, threat detection, response, and marketplace solutions; operates in 7 countries.
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Hispasec
Cybersecurity-focused IT services and consulting company based in Málaga, Spain; provides penetration testing, security audits, risk management, and training since 1998; 46 employees, EUR804.3K revenue, +4.5% YoY growth.
Secur0
Cybersecurity company specializing in penetration testing and vulnerability assessments; 9 employees with 400% YoY growth; headquartered in Madrid, Spain; offers pentest services and security consulting, emphasizing expertise in identifying security vulnerabilities.
Apolo Cybersecurity
IT services and consulting company specializing in cybersecurity; 19 employees; based in Spain; offers penetration testing, vulnerability analysis, SOC as a service, CISO as a service, compliance, and cybersecurity training; emphasizes AI-driven threat prevention and real-time security solutions.
SilentForce
SilentForce is a security and investigations firm specializing in offensive and defensive cybersecurity services; offers attack surface management and adversarial simulation (penetration testing) to identify and mitigate vulnerabilities; founded 2021, 5 employees, headquartered in Madrid, Spain.
Axelia Cybersecurity
IT services and consulting company specializing in cybersecurity solutions for small businesses; offers penetration testing, data security, and compliance services; founded in 2022 in Barcelona, Spain; 7 employees with 60% YoY growth; categories include cybersecurity, cloud security, ISO27001, and SME security.
Sidertia by Izertis
Sidertia by Izertis is a private cybersecurity firm based in Madrid, Spain, specializing in computer and network security with a focus on penetration testing; 69 employees, $15M-$25M revenue, founded in 2012. The company provides periodic IT infrastructure evaluations and remediation, with a global rank of 3,573,300 and 3,900 monthly website visits.
goikode
goikode is a cybersecurity-focused IT services and consulting company based in Bilbao, Spain; specializing in penetration testing, security training, compliance, and cloud security solutions, with 2 employees and 100% YoY growth.
DLTCode
Cybersecurity consulting firm specializing in penetration testing, digital transformation, and next-generation security solutions; 41 employees with 88.6% YoY growth; based in Spain; active in space security missions involving nanosatellites.
XRAY CyberSecurity
Cybersecurity firm specializing in penetration testing services such as network, application, and social engineering assessments; based in Valencia, Spain, with 6 employees, founded in 2013, and offering internationally certified testing solutions.
Hack by Security
Cybersecurity and network security company based in Spain; specializes in penetration testing, auditing, and security training with 18 employees and 5.9% YoY growth. Founded in 2019, they focus on ethical hacking, security audits, and training services, leveraging over 20 years of team experience in cybersecurity and ethical hacking.
Hard2bit Cybersecurity
Cybersecurity company specializing in penetration testing, ethical hacking, and vulnerability assessment; 16 employees with 4.8% YoY growth, $2.4M annual revenue; based in Madrid, Spain, founded 2013 • Focuses on security audits, compliance, forensic investigations, and IT outsourcing; core services include ethical hacking and vulnerability assessments.
Qintegra Consulting
Qintegra Consulting is a Spain-based cybersecurity and IT services firm founded in 2004, with 17 employees and $101.4K annual revenue. It specializes in penetration testing, network auditing, infrastructure analysis, incident response, and cybersecurity training, serving a multinational client base with a focus on security and compliance.
ISECOM
ISECOM is a private research services company specializing in cybersecurity, penetration testing, and security methodologies; with 10 employees, $4.3M revenue, founded in 2001 in Barcelona, Spain, and known for developing the OSSTMM security testing methodology.
DELTA90
Cybersecurity company specializing in penetration testing and security services; 4 employees with 300% YoY growth; founded in 2017; headquartered in Madrid, Spain.
Cyber Struggle
Cyber Struggle is a private cybersecurity firm based in Bilbao, Spain, founded in 2019, with 6 employees and $646.8K in total funding. They specialize in interdisciplinary cybersecurity, emphasizing resilience, psychological and technical preparedness, and unconventional defense strategies. The company maintains a dedicated penetration testing unit, indicating they provide pentest services, and focuses on addressing future uncertain threats through innovative, asymmetric methods.
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The Security Sentinel
Cybersecurity company specializing in penetration testing, security audits, and ethical hacking; 5 employees with 27.3% YoY growth; founded 2006; headquartered in Madrid, Spain; offers cybersecurity services including pentesting, hacking, red team, and security training.
Red4Sec Cybersecurity S.L.
Spain-based cybersecurity company specializing in penetration testing, ethical hacking, and security audits for blockchain and Web3 projects; 3 employees, founded 2016, headquartered in Madrid, with expertise in malware analysis and infrastructure security.
Andubay - Grow in Security
Andubay is a Spain-based cybersecurity firm with 3 employees, founded in 2015, specializing in penetration testing, vulnerability analysis, reverse engineering, incident response, and social engineering. It offers dedicated hacking and intrusion testing services, emphasizing core penetration testing capabilities, and maintains a web presence with 637 monthly visits.
Taquion Cybersecurity
IT services and consulting company specializing in cybersecurity; offers penetration testing services like SecureScan 360 that simulate attacks from all perspectives; based in Spain with 2 employees, founded in 2016, experiencing 100% monthly workforce growth.
Intelequia
Intelequia is a Madrid-based cybersecurity and digital transformation firm that specializes in penetration testing, including advanced red team simulations; it helps organizations identify vulnerabilities and optimize security through comprehensive audits and real attack simulations.
The Hacker Way
Spain-based cybersecurity firm headquartered in Madrid; specializes in penetration testing and offensive security services with a focus on vulnerability discovery. Offers cybersecurity training and products, emphasizing offensive approaches and AI integration.
RCC Advisory
RCC Advisory is a Spain-based private cybersecurity company founded in 2024, with 2 employees; specializes in penetration testing, ethical hacking, compliance, and security hardening services, originating from military cybersecurity expertise.
Bcnsoluciona
Cybersecurity company based in Barcelona, Spain, specializing in ethical hacking, penetration testing, security audits, and compliance consulting; offers CISO as a service and emphasizes protecting businesses from cyberattacks.
DarkData
Cybersecurity company based in Madrid, Spain, specializing in penetration testing and advanced cybersecurity solutions; offers offensive security assessments and rapid threat response capabilities, emphasizing intelligence-driven defense.
TSSCiberseguridad
Cybersecurity company based in Madrid, Spain, specializing in penetration testing, ethical hacking, and security audits; offers services including web, network, mobile, and industrial device testing, as well as Red Team exercises.
Secure&it
Cybersecurity firm based in Madrid, Spain; provides penetration testing, ethical hacking, and Red Team offensive security services; listed offices in Las Rozas, Madrid, confirming Spain headquarters.
Ciberlogic
Cybersecurity firm headquartered in Spain with 2 employees; specializes in penetration testing services including simulated attack scenarios and cybersecurity audits, demonstrating a focus on proactive security testing.
Tecnek Ciberseguridad
Cybersecurity company headquartered in Madrid, Spain, offering penetration testing, vulnerability assessments, and security consulting; provides scalable cybersecurity solutions to protect corporate information.
Ackcent Cybersecurity
Cybersecurity firm based in Barcelona, Spain, specializing in 24/7 managed security services; offers penetration testing services, with explicit service pages, cybersecurity protocols referencing network penetration testing, and active pentest roles. Founded in Spain, with a focus on offensive security capabilities.
Ciso.es
Spain-based cybersecurity company specializing in penetration testing, cloud security, and mobile app security; offers offensive security services including Red Team operations; headquartered in Cartagena, Spain, with a focus on continuous threat mitigation and compliance with standards like ENS, NIS2, and ISO 27001:2022.
Applus+ Laboratories
Applus+ Laboratories is a Spain-based business consulting and services firm with 489 employees (+37.3% YoY growth) and $50M annual revenue; it provides product testing, certification, and cybersecurity evaluations, including penetration testing for risk management and security testing, with a global network of laboratories across Europe, Asia, and North America.
Jáquers | Ciberseguridad
Cybersecurity company based in Spain; founded in 2021; 1 employee. Offers cybersecurity audits, penetration testing, web audits, and training to help businesses identify vulnerabilities and strengthen security defenses.
JAYMON SECURITY S.L.
Spain-based IT services and cybersecurity consulting firm specializing in penetration testing, ethical hacking, and vulnerability assessments; 1 employee with -20% YoY growth; offers comprehensive security testing services including gray and white box audits, with 996 monthly website visits.
Open Data Security
Open Data Security is a Spain-based private technology and internet company specializing in infrastructure and information security; providing penetration testing, security monitoring, customized solutions, and training. With 4 employees and founded in 2016, they focus on enhancing security processes and reducing costs, positioning as a market leader in information security services.
Planciber
Cybersecurity firm based in Spain; offers penetration testing, red team, and zero-trust architecture services; emphasizes security by design and proactive protection solutions.
ALMC Security
Spanish cybersecurity company specializing in IT solutions and penetration testing services; offers security audits and pentesting; based in Lleida, Spain; operates as Sociedad Limitada (SL).
Cyber Attack - CBA
Spain-based cybersecurity firm specializing in penetration testing services; offers attack simulation to assess security resilience; headquartered in Roquetas de Mar, Andalusia, Spain; uses a Spanish domain (.es).
Internet Security Auditors
Cybersecurity firm based in Spain; specializes in penetration testing, web application testing, and network security assessments; headquartered in Barcelona with offices in Madrid.
Enthec
Enthec is a Spain-based IT services and cybersecurity company founded in 2019, with 17 employees and $1M-$5M in revenue; it specializes in cyber surveillance, intelligence, and risk assessment, and offers penetration testing services through red team exercises and its proprietary Kartos platform. It has received $1M in seed funding and focuses on advanced threat intelligence and attack simulation.
Internet Security Auditors
Spain-based security firm specializing in penetration testing, web application testing, and network security; offices in Barcelona and Madrid; incorporated under Spanish law; active since at least 2013.
Telefónica
Telefónica is a multinational telecommunications company headquartered in Madrid, Spain, with 25,836 employees and $40.9 billion in annual revenue; they provide telecommunications services, infrastructure, and digital solutions. The company also offers penetration testing and cybersecurity services, including Red Teaming and ethical hacking, as part of their security portfolio. Telefónica has a EUR 23.2 billion market cap and a 0.3% monthly workforce growth.
Qualoom Expertise Technology
Spanish cybersecurity and technology consulting firm specializing in cloud, infrastructure, DevSecOps, and offensive security; offers penetration testing and Red Team services; headquartered in Móstoles, Madrid, with ISO 27001 security certification.
Comercial Ulzama S.L.U
Spain-based cybersecurity consulting firm with 9 employees and 5.9% YoY growth; specializes in audits, intrusion testing, and security strategies to protect business assets. Provides penetration testing services, including attack simulations and security assessments, supported by their website and service offerings.
Pentesting Team
Spain-based cybersecurity firm specializing in penetration testing and security audits; provides manual pentests, vulnerability assessments, and simulation scenarios using OWASP, PTES, and MITRE ATT&CK frameworks.
ESED - Cyber Security & IT Solutions
Cybersecurity company based in Spain; 11 employees; founded 2010; specializes in cybersecurity, IT support, SaaS, and training for SMEs; offers penetration testing, ethical hacking, and attack simulations; active in cloud computing and virtualization.
Sofistic
Cybersecurity company based in Spain; provides penetration testing and security audit services since 2009; headquartered in Castellón, Spain.
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Secureon
Spain-based cybersecurity consulting firm specializing in penetration testing, IT, and cloud services; offers ethical hacking, network, web app testing, and social engineering; headquartered in Lleida, Spain.
Neotica Ciberseguridad
Spain-based cybersecurity firm with offices in Barcelona, Madrid, and Terrassa; specializes in penetration testing and ethical hacking services, offering vulnerability assessments and cybersecurity solutions.
Hacking GD
Spain-based cybersecurity firm specializing in penetration testing, web and network security, and cybersecurity training; offers pentest services and ethical hacking certifications, with over 14 years in IT.
Factum
Factum is a Spain-based cybersecurity firm headquartered in Madrid, with over 15 years of experience in providing penetration testing, red team, and incident response services; it specializes in evaluating security exposure and enhancing digital resilience.
Bidaidea
Cybersecurity company headquartered in Madrid, Spain, offering penetration testing and vulnerability audit services; operates primarily within Spain, with a focus on offensive security assessments.
CATYBER
Spain-based cybersecurity firm headquartered in Valladolid; offers penetration testing, vulnerability analysis, and security services with a focus on web application security and ethical hacking; provides a catalog of cybersecurity products and solutions.
Babel
IT services and consulting company based in Spain; 2,487 employees, $100M-$500M revenue, founded 2003, specializing in digital transformation, cybersecurity, and penetration testing services including ethical hacking and Red Team assessments.
Abirtone S.L.
Spain-based cybersecurity firm specializing in ethical hacking, penetration testing, and custom security tools; headquartered in Madrid, with a focus on security consulting and ethical hacking services.
BBVA
BBVA is a private banking company headquartered in Bilbao, Spain, with 24,415 employees (+10.5% YoY growth), $36.0B annual revenue, and a EUR52.2B market cap. It operates in finance, innovation, technology, and cybersecurity, with active engagement in digital transformation and fintech. BBVA maintains a strong web presence with 2.16M monthly visits and a global rank of 24,478, and is known for its cybersecurity efforts, including a global red team performing penetration testing to identify security weaknesses.
Applus+
Inspection, testing, and certification company based in Madrid, Spain; provides penetration testing services for automotive cybersecurity, medical devices, and other sectors, confirming specialized cybersecurity capabilities.
Cibinar
Spain-based technology company headquartered in Murcia; provides cybersecurity services including penetration testing and vulnerability assessments; operates a vulnerability testing laboratory with specialists performing ethical hacking to identify security weaknesses.
Digittude Technology Solutions SL
Spain-based IT solutions provider specializing in cybersecurity; offers penetration testing services using tools like Metasploit and Burp Suite; founded by experienced professionals committed to growth and innovation.
Telefónica Tech
Spanish technology solutions provider; offers cybersecurity, IoT, cloud, big data, AI, blockchain, and penetration testing services; explicitly provides penetration testing and security assessments to identify security gaps; based in Spain with a Spanish legal entity.
Euskodata Soluciones Tecnológicas
Spain-based IT solutions provider; offers explicit penetration testing (pentest) services including web and network security audits, ethical hacking, and ongoing pentesting plans; supports cybersecurity with detailed security audits and ethical hacking activities.
Quantika14
Cybersecurity firm headquartered in Sevilla, Spain; provides penetration testing including black-box and white-box audits, as well as web application security assessments; active in exploiting vulnerabilities during audits to identify security gaps.
Izertis
Spain-based technology consulting company specializing in digital transformation and cybersecurity; offers penetration testing and red team services; headquartered in Gijón, Spain, founded in Gijón, with a focus on security assessments and digital metamorphosis.
HackingYSeguridad.com
Cybersecurity firm based in Madrid, Spain, specializing in penetration testing, attack simulation, and vulnerability assessment; provides ethical hacking services to evaluate security controls and reduce attack surfaces.
Hodeitek
Cybersecurity company based in Spain; specializes in penetration testing, security audits, and layered pentesting services, with references to INCIBE registration and Spain-based contact details.
Dolbuck Cybersecurity
Spain-based cybersecurity company specializing in vulnerability assessments, threat detection, and risk mitigation; offers penetration testing services to identify system weaknesses and prevent attacks; provides cybersecurity audits and advanced data backup solutions.
MicroHackers
Cybersecurity company based in Madrid, Spain; specializes in IoT and AI security, offering penetration testing, cybersecurity consulting, and proactive security services; employs automated and manual testing approaches for comprehensive pentesting across web, API, cloud, and internal networks.
Applus+ IDIADA
Automotive engineering and testing company headquartered in Tarragona, Spain; provides vehicle testing, engineering, and cybersecurity services including penetration testing; operates globally with a focus on automotive safety, ADAS, CAV, and body design.
Qubit CyberDefence
Cybersecurity company based in Madrid, Spain, specializing in penetration testing, Red Team operations, and threat detection; offers technical cybersecurity services to medium and large enterprises, with a focus on protecting data, reputation, and essential assets.
Oesia
Grupo Oesía is a Spanish multinational headquartered in Spain, providing cybersecurity services including penetration testing and red team exercises; it conducts infrastructure testing and security validation, highlighting its expertise in security testing.
Team Secure Spain
Spain-based cybersecurity firm specializing in personnel deployment and enterprise-level security services; offers penetration testing and cybersecurity expertise, with a focus on protecting businesses in Spain.
Zynap
Cybersecurity company specializing in AI-driven preventive cybersecurity solutions; offers penetration testing and red-team attack simulations, with explicit engagement in attack-simulation activities including external attack surface assessments; based in Barcelona, Spain, with 29 employees, $10M revenue, and $5.9M funding.
Alvea Soluciones Tecnológicas
Alvea Soluciones Tecnológicas is a Spanish IT and cybersecurity company founded in 2018, with 120 employees and a 1.3% YoY growth. They specialize in consulting, digital transformation, and cybersecurity services, including penetration testing and Red Team exercises, to help clients enhance security and achieve digital objectives. Headquartered in Madrid, they serve the Spanish market with a focus on secure digital solutions.
Incide
Cybersecurity firm based in Spain; provides penetration testing and Red Team exercises for security testing; located in Barcelona and Madrid, with Spanish legal registration (S.L.) and contact details.
SEIDOR
IT services and consulting company based in Barcelona, Spain; 4,517 employees (+51.2% YoY growth); $650M annual revenue; offers application, infrastructure, software, and cybersecurity solutions including penetration testing, which involves simulated attacks to identify vulnerabilities.
Excem Technologies
Excem Technologies is a private high-tech firm based in Madrid, Spain, specializing in cybersecurity and IT services; with 45 employees and a focus on penetration testing services, including automated and manual vulnerability assessments, to help organizations identify security weaknesses.
QuantumSec
QuantumSec is a Spanish cybersecurity firm based in Valencia, specializing in penetration testing services for businesses across Spain. The company emphasizes its pentesting expertise through its website and service pages, serving clients nationwide.
K-LAGAN
Spain-based technology and consulting firm specializing in IT, innovation, and engineering solutions; offers cybersecurity services including penetration testing, with offices in Madrid and Barcelona.
Eritea Sistemas
Spanish IT consulting company specializing in information systems, cybersecurity, and penetration testing; offers vulnerability assessments, security analysis, and high-availability solutions; headquartered in Spain with a focus on tailored IT security services.
Sec-stone
Cybersecurity firm based in Spain offering penetration testing, SOC, and consulting services; specializes in intrusion testing ('Test de intrusión') and continuous security analysis; headquartered in Spain with all employees registered locally.
Seven Sector Technologies
Cybersecurity firm based in Barcelona, Spain, specializing in advanced digital protection solutions such as Digital Twins and honeypots; offers penetration testing (pentest) and ethical hacking services to assess and enhance security.
Cybereop
Cybereop is a Madrid-based Spanish cybersecurity organization specializing in penetration testing and ethical hacking services; their website features references to intrusion testing and discusses the benefits of ethical hacking for companies.
OneCyber
Cybersecurity company based in Spain, specializing in penetration testing and security assessments; headquartered in San Cristóbal de la Laguna, Canary Islands; offers ethical hacking, vulnerability testing, and security audits with a focus on the Spanish market.
Insside Ciberseguridad
Cybersecurity firm headquartered in Madrid, Spain, specializing in penetration testing, ethical hacking, and Red Team exercises; provides offensive security services to identify vulnerabilities in infrastructure, systems, and web applications.
Elkarmedia
Spain-based digital technology and cybersecurity company; offers penetration testing and real-time cyber intelligence services; headquartered in Spain, with a focus on software development and cybersecurity solutions.
CiberTRS
Cybersecurity company based in Valencia, Spain, specializing in cybersecurity and cyber resilience services; offers penetration testing (pentest) services, emphasizing quick, personalized, and effective solutions.
Intec Cybersecurity
Intec Cybersecurity is a private cybersecurity firm based in Spain, specializing in penetration testing and network security. With 3 employees and 66.7% YoY growth since 2013, they focus on personalized, real protection services for public and private clients worldwide; their capabilities include advanced intrusion testing and real-world attack simulations, as highlighted on their website and recent LinkedIn posts.
GRAIL CYBER TECH
GRAIL CYBER TECH is a private cybersecurity firm headquartered in Barcelona, Spain, with 4 employees and a focus on cybersecurity solutions, including penetration testing services; it operates its own SOC and specializes in data and device protection using advanced technologies. The company has experienced a -30% YoY growth rate, with 585 monthly web visits, and is recognized for offering penetration testing and red teaming services, supported by industry directory references and professional profiles.
Oblivion
Cybersecurity company specializing in penetration testing; offers comprehensive Red Team and Blue Team assessments using tools like BurpSuite, nmap, BloodHound, and custom exploits; based in Barcelona, Spain, with 5 employees and 10.5% YoY growth.
Cybersec Corp
Cybersec Corp is a Spain-based private cybersecurity firm specializing in penetration testing, ethical hacking, and vulnerability management for medium and large companies. Founded in 2017 with 2 employees, it offers tailored security solutions and actively participates in industry activities, despite a modest web presence with 86 monthly visits and a global rank of #12,952,390.
Ethon Shield
Cybersecurity company specializing in computer and network security; provides penetration testing, ethical hacking, and security audits for telecom networks, including 5G security testing and telecom hacking audits • 3 employees; Founded 2018; Majadahonda, Spain
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.
Cybertix Simulation Technologies
Cybersecurity company specializing in AI-driven automated solutions for SMEs; offers penetration testing, attack simulations, and OT security expertise; 14 employees, founded 2023, based in San Sebastián, Spain; $2.1M funding.
White Horse Security
Cybersecurity company based in Barcelona, Spain; founded in 2022; 4 employees with 33.3% YoY growth; offers penetration testing, vulnerability detection, cybersecurity audits, and compliance services; monthly web traffic of 833.
PENTEST
PENTEST is a Spain-based private cybersecurity firm specializing in penetration testing and security assessments; founded in 2001 with 2 employees and 75% YoY growth. They offer artisanal, independent penetration testing services worldwide, leveraging extensive industry experience to address real security challenges.
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.
SpectraSec
SpectraSec is a Spain-based IT services and cybersecurity consulting firm specializing in attack simulations such as phishing, smishing, and vishing, which are forms of penetration testing; founded in 2025 with 2 employees, it focuses on protecting health sector data through technology, training, and expert consulting.
Zerolynx
Cybersecurity company based in Spain; specializes in offensive security, penetration testing, and cyber intelligence with 30 employees and 11.4% YoY growth. Founded in 2018 and headquartered in Alcorcón, Madrid, they provide internal pentest services and employ a Red Team methodology to simulate attack scenarios.
A3Sec
A3Sec is a cybersecurity IT services and consulting firm based in Madrid, Spain, with 89 employees and 4.1% annual growth. They specialize in detection, prevention, and incident response, including penetration testing and attack simulation, supported by dynamic vulnerability management and application analysis. The company has a web presence with 7,862 monthly visits and ranks #2,582,478 globally, actively engaging in cybersecurity news and social media.
BeeHackers
BeeHackers is a Spain-based private law enforcement company specializing in cybersecurity solutions such as penetration testing, security incident resolution, and ethical hacking. Founded in 2017 and headquartered in Sevilla, they have 8 employees with 11.1% monthly and yearly growth. Their services include cybersecurity, compliance, GDPR, SOC/CERT, forensic, and expert security solutions for organizations. They have a web presence of 413 monthly visits and an employer rating of 3.0/5 from 1 review.
Hard Link Security S.L.
Cybersecurity consulting firm based in Spain; specializes in security measures deployment, compliance, forensic IT, and penetration testing for web, mobile, network, and cloud environments; 4 employees, founded 2023, headquartered in Albacete.
Global Technology 4E
Cybersecurity company based in Spain; 30 employees with -14.3% YoY growth, founded in 2009, specializing in penetration testing ('Auditoría y Pentesting') and cybersecurity services for critical infrastructure, with over 15 years of experience.
Redhacking
Redhacking is a private cybersecurity firm specializing in computer and network security; based in Cerdanyola del Vallès, Spain, founded in 2017, with 3 employees and a -25% YoY growth. It offers ethical hacking, penetration testing, cyber security, and IT security services, with 523 monthly website visits and active social media presence.
CIBERSEGURA
Cybersecurity company based in Segovia, Spain; founded in 2023 with 2 employees and 33.3% growth; specializes in computer and network security, including ethical hacking and penetration testing; active in cybersecurity news and social media with 516 monthly visits.
The Hacker Way
The Hacker Way is a private security and investigations company based in Madrid, Spain, founded in 2016; employs 3 staff with 33.3% YoY growth; specializes in cybersecurity services including penetration testing, ethical hacking, and security assessments; offers online and onsite training; has 14,156 monthly website visits and ranks #1,689,244 globally; categories include security, hacking, programming, and cloud data processing.
S2GRUPO
S2GRUPO is a Spanish IT services and consulting company specializing in cybersecurity, cyberintelligence, and critical mission systems operations; with 544 employees (+6.3% YoY growth), $34.1M USD annual revenue, and $63.1K in total funding. They provide advanced cybersecurity solutions, including penetration testing services, as evidenced by their detailed security audit and intrusion testing offerings. Headquartered in Valencia, Spain, they serve the cybersecurity market with a focus on critical infrastructure protection.
Plexicus | AI-Powered CNAPP
Plexicus is a Spain-based private cybersecurity firm specializing in cloud security, application security posture management, vulnerability management, and penetration testing; founded in 2025, with 7 employees and 57.1% YoY growth, it secured $250K in pre-seed funding in May 2023. The company emphasizes penetration testing capabilities and innovative vulnerability classification.
Minsait
Spain-based technology company specializing in digital transformation and cybersecurity; provides penetration testing (pentest) services with capabilities in attack simulations and security testing; headquartered in Alcobendas, Madrid.
DefendSphere
IT system testing and evaluation company specializing in cybersecurity, pen testing, vulnerabilities management, and AI integrations; based in Valencia, Spain, founded in 2025 with 2 employees, actively engaged in security testing and evaluation services.
Level4
IT Services and IT Consulting company based in Spain; 13 employees with 16.7% YoY growth; specializes in IT infrastructure, cloud, cybersecurity, training, and digital transformation; explicitly offers penetration testing (pentest) services as part of its cybersecurity solutions.
Itglobal
Spain-based cybersecurity firm headquartered in Barcelona; specializes in penetration testing, ethical hacking, and security assessment services, with a focus on helping organizations optimize cybersecurity defenses.
L4e
Cybersecurity company based in Spain; provides penetration testing (pentest) services including adhoc security assessments of systems and applications to detect vulnerabilities; emphasizes practical, functional cybersecurity solutions.
HackRTU
Cybersecurity company specializing in industrial cybersecurity and penetration testing; based in Spain with 1 employee, founded in 2025, focusing on vulnerability detection, resilience, and IEC 62443 standards, with rapid 100% monthly growth.
Ontinet.com
Ontinet.com is a Spain-based IT services and cybersecurity company founded in 1992, with 5 employees and 900% YoY growth. It is the exclusive distributor of ESET in Spain, providing advanced cybersecurity solutions, penetration testing, and expert support; 5 employees; Founded 1992; Spain.
Balui Digital
Technology and internet company based in Zaragoza, Spain; founded in 2021 with 1 employee. Operates a platform supporting agro-food sector innovation and training for over twenty years. Offers IT solutions including cybersecurity, web design, and e-commerce; explicitly provides penetration testing services as part of their cybersecurity offerings.
Diseño web Sevilla
Spain-based private software development company specializing in web design and cybersecurity; offers web penetration testing, red team exercises, and security systems; 3 employees; founded 2012; expertise in internet services, SEO, Joomla, Moodle, .NET, WordPress, Python.
Aleex AI
Cybersecurity company based in Madrid, Spain, specializing in automated AI-driven penetration testing; offers express pentest services and a professional platform for automated security testing, with a focus on comprehensive coverage and rapid testing.
AKIRUTEK - Tasaciones y peritajes tecnológicos
AKIRUTEK is a Spain-based IT services and consulting company specializing in forensic IT evaluations and cybersecurity audits, including penetration testing; 2 employees, founded 2015, with external sources confirming pentesting services in the cybersecurity domain.
Emetel
Spain-based technology consulting firm specializing in cybersecurity, including penetration testing and Red Team services; headquartered in A Coruña, Spain; offers strategic technology consulting.
Redsauce Software Services
Spanish-based software and cybersecurity company founded in 2004; headquartered in Viladecans, Catalonia, Spain. Offers custom software development, QA testing, and penetration testing services, including attack simulations and vulnerability exploitation.
Prosegur
Prosegur is a private security and investigations company based in Madrid, Spain, with 16,190 employees and $5.1 billion in annual revenue; they operate across 31 countries, providing high-value security, logistics, alarm, and cybersecurity services. They have a EUR1.0 billion market cap, $59K in total funding, and are positioned as a leader in the private security sector with a focus on high-regulation compliance and innovative practices. Their cybersecurity subsidiary Cipher explicitly offers penetration testing services, emphasizing their capabilities in ethical hacking and security assessment.
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.
Tech-Consulting
Cybersecurity company based in Spain; provides penetration testing, offensive security, network security, virtualization, and consultancy services; 3 employees with -40% YoY growth; founded 2012; Yecla, Spain.
ITRES
ITRES is a Spain-based IT services and cybersecurity company founded in 2018, with 19 employees and 7.1% annual growth. It offers IT consulting, data center, ethical hacking, and cloud services, including penetration testing and red team exercises, supported by a strategic alliance with SG6 and SYS4NET. The firm has a modest web presence with 2,407 monthly visits and ranks #5,615,042 globally.
BOTECH
BOTECH is a Spain-based cybersecurity firm specializing in fraud prevention, intelligence, and certifications, with 38 employees and +7.4% YoY growth since 2013. It offers penetration testing and ethical hacking services, with a presence in Spain, Latin America, and the US, and a monthly web traffic of 16,800 visits.
Orbe Seguridad
Cybersecurity company based in Spain; provides security operations center (SOC) monitoring and real-time detection analysis; explicitly offers penetration testing (pentest) services, including attack simulations to identify system vulnerabilities.
TECNALIA Research & Innovation
Research services company based in Spain; 1,044 employees, $136.6M revenue, founded 2010, specializing in applied research, innovation, and cybersecurity penetration testing, with accreditation for security assessments and a focus on technology-driven sectors.
Nacata Security
Cybersecurity company based in Madrid, Spain; specializes in penetration testing services with methodologies including planning, information gathering, exploitation, and reporting; headquarters at Gran Vía 4, Madrid, with a focus on comprehensive security audits.
Metaprotec
Cybersecurity firm based in Spain; specializes in penetration testing (pentest) services with planned, well-supported exercises; headquartered in Dos Hermanas, Sevilla, Spain; serves Spanish-speaking clients.
Cuatroochenta
IT services and consulting company based in Spain; offers cybersecurity services including penetration testing, security audits, and red teaming through its Sofistic unit; 142 employees; founded 2011; EUR 32.7M market cap; $14.1M funding; recent acquisition of MPservices; active in digital solutions, business intelligence, and legal consulting; global web presence with 7,598 monthly visits and ranked #2,384,246 worldwide.
Ayesa
Ayesa is a Spain-based global provider of technology and engineering services, with 5,209 employees and $692.8M annual revenue. They specialize in digitalization, sustainability, and energy transition, offering services in technology consulting, engineering, IT & cloud infrastructure, data intelligence & AI, civil engineering, project management, and cybersecurity, including penetration testing and ethical hacking.
NeuralTrust
Spain-based cybersecurity firm specializing in AI security; offers automated penetration testing and red teaming services for AI endpoints, emphasizing proactive threat detection and ethical hacking in generative AI workflows.
Nunsys
Cybersecurity company based in Paterna, Valencia, Spain; specializes in penetration testing and security audits, including internal and external penetration tests, with a focus on security assessments and vulnerability testing.
Atsistemas
Atsistemas is a Spain-based technology solutions provider specializing in digital transformation and cybersecurity; headquartered in Las Rozas, Madrid, Spain. The company explicitly offers penetration testing (pentest) services, supported by internal documentation indicating engagement in security testing activities.
KLBRS
Cybersecurity firm based in Madrid, Spain, specializing in penetration testing and ethical hacking; offers web application and infrastructure penetration tests, with a focus on comprehensive security assessments.
Basetis
IT solutions company based in Spain; specializes in digital transformation, data analytics, and cybersecurity, including penetration testing services for web and API security.
Cloud Levante
Spain-based IT consultancy specializing in Cloud, Data, and AI; offers penetration testing (pentest) services including simulated attacks and vulnerability assessments; headquartered in Alicante, Spain.