Find a Pentest Company in Slovenia
There are 22 penetration testing companies in Slovenia. 82% are small firms (50 or fewer employees) and 18% are larger organizations.
Carbonsec Ltd.
Cybersecurity consultancy specializing in penetration testing, red teaming, and security advisory; 7 employees; Founded 2017; Ljubljana, Slovenia; Offers services including password security, ransomware readiness, secure static code review, and ICS security.
GO-LIX d.o.o
Information security company based in Slovenia; provides penetration testing, system security inspections, incident response, and education; 5 employees with 40% YoY growth; founded 1990; headquartered in Šempeter pri Gorici, Slovenia.
CYBER-SEC
IT Services and IT Consulting company specializing in cybersecurity; offers penetration testing, ethical hacking, vulnerability assessment, incident response, and security audits; founded 2025; 2 employees; headquartered in Ljubljana, Slovenia.
ACROS Security
Cybersecurity company specializing in penetration testing, security research, and code review; 3 employees, founded 1998, headquartered in Maribor, Slovenia; known for application security and vulnerability assessment.
SECUREON
SECUREON is a Slovenian private computer and network security firm founded in 2016, with 7 employees. It provides information security services such as penetration testing, vulnerability assessments, and data protection, along with consulting, system design, and testing. The company specializes in helping clients achieve compliance with standards and regulations, with a focus on holistic data security.
Smart Com d.o.o.
IT services and consulting company based in Slovenia; specializes in advanced ICT solutions, security reviews, and penetration testing with CEH, LPT, ECSA certifications; 38 employees, $5M-$25M revenue, founded 1990, with over 60 security checks performed.
ASTEC
IT security service and consulting company specializing in penetration testing, information security, and risk assessments; offers external and internal security testing services; founded in 1991, with 17 employees; based in Ljubljana, Slovenia.
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3fs
IT services and consulting firm specializing in digital product development, IoT, and cybersecurity; offers penetration testing and red teaming services; based in Kranj, Slovenia with 31 employees, $9.8M revenue, and 3% YoY growth.
SIQ Ljubljana
Slovenian Institute of Quality and Metrology (SIQ Ljubljana) is a private, independent organization providing product testing, certification, management systems assessment, and metrology services; with 131 employees and 9.6% annual growth, it offers penetration testing and cybersecurity solutions to ensure safety and quality in various sectors, based in Slovenia.
ANGELIS
ANGELIS is a Slovenia-based private IT & Services company founded in 2011, with 5 employees. It offers digital transformation solutions and cybersecurity services, including penetration testing with detailed methodologies for white-box, grey-box, and black-box testing. The company has 691 monthly website visits and active social media presence, focusing on business process optimization and secure digital growth.
SSRD
IT services and consulting company specializing in secure blockchain solutions, software development, and penetration testing; 5 employees with 54.5% YoY growth; based in Maribor, Slovenia; offers secure coding, code revision, training, and pentesting services.
OSI d.o.o.
Slovenian software development company specializing in information security, system integration, and electronic identity solutions; offers application security review, static and dynamic source code analysis, and penetration testing services; 8 employees, founded 2008, headquartered in Slovenia.
Andersen in Slovenia
Financial services company based in Ljubljana, Slovenia; provides transaction services, financial restructuring, insolvency, financial and accounting investigations, and cybersecurity including penetration testing and training; 4 employees; Website: https://www.si.andersen.com
NIL Ltd.
IT services and consulting firm specializing in data centers, network, cloud, and cybersecurity; 357 employees (+1.1% YoY growth); founded 1989; headquartered in Ljubljana, Slovenia; provides penetration testing and security assessment services, with a global web presence of 19,760 monthly visits and ranked #1,347,065 globally.
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3 Gen d.o.o.
Slovenian private computer and network security company specializing in penetration testing, vulnerability assessments, and security audits; 3 employees with 28.6% YoY growth, founded in 1996, headquartered in Slovenia. Recognized among top security providers in Slovenia, actively engaged in industry events and social media.
Skupina Infocenter
IT services and consulting company specializing in security solutions such as personal data protection, information security, and detective services; provides penetration testing services as confirmed by dedicated website content; based in Ljubljana, Slovenia with 3 employees; maintains a modest online presence with 1,125 monthly visits and a global rank of #12,724,579.
VitaliT Solutions
Slovenia-based IT services and consulting firm specializing in cybersecurity and penetration testing; active service provider with dedicated pentest offerings, founded in 2002, with 1 employee, headquartered in Ljubljana, Slovenia.
Next Sight
Next Sight is a Slovenia-based IT system and custom software development company specializing in penetration testing and security assessments; founded in 2024 with 2 employees, it offers comprehensive testing services including network, application, wireless, infrastructure, social engineering, and red teaming to enhance cybersecurity.
benchmarked
Slovenia-based cybersecurity firm specializing in penetration testing, compliance, and cyber resilience solutions; 1 employee with 33.3% growth; founded in 2024; connects CISOs and vendors through a curated platform for cybersecurity services.
CLICO SI
Cybersecurity company based in Slovenia; specializes in penetration testing (pentest) services including infrastructure and network application assessments with dedicated pen-testers; registered at Tržaška cesta 515, Brezovica pri Ljubljani, Slovenija.
Implex System Engineering D.o.o.
Slovenian IT company based in Domžale; provides penetration testing and security testing services; registered as a d.o.o.; headquarters at Ljubljanska cesta 88, 1230 Domžale, Slovenia.
ACROS Security
Slovenian cybersecurity firm specializing in penetration testing and vulnerability management; offers application penetration testing, lightweight micropatching, and security research; headquartered in Maribor, Slovenia, with 50+ employees and founded in 2010.