
UK offensive security consultancy delivering CREST-accredited penetration testing, adversary simulation and CBEST, TIBER-EU and TBEST threat-led testing, mainly for financial services and other large organisations.
Europe
European penetration testing providers serving the EU market, with expertise in GDPR, NIS 2, DORA, and other European regulatory frameworks.
European providers offer testing in multiple languages and understand the regulatory landscape across EU member states.
European providers navigate a layered regulatory landscape, GDPR across all member states, NIS 2 for critical infrastructure, DORA for financial services, plus country-specific frameworks like BSI in Germany and ANSSI in France. Testing engagements frequently span multiple jurisdictions, and providers here are accustomed to multilingual reporting and cross-border data-handling requirements.
Most relevant: DORA financial services testing.

UK offensive security consultancy delivering CREST-accredited penetration testing, adversary simulation and CBEST, TIBER-EU and TBEST threat-led testing, mainly for financial services and other large organisations.
Boutique UK penetration testing consultancy in Milton Keynes specialising in manual, expert-led security assessments across web applications, APIs, cloud, and mobile platforms.
Airbus group cybersecurity consultancy with ANSSI PASSI qualification. Aerospace, defence, and critical infrastructure penetration testing across Europe.

Cybersecurity consulting division of global insurance leader Aon, uniquely combining penetration testing with cyber risk quantification and insurance expertise.

CREST and CHECK-accredited European managed services provider delivering penetration testing with deep infrastructure and cloud hosting expertise.
Edinburgh-based CREST-accredited IT and cybersecurity firm. Pen testing for Scottish public sector, financial services, and commercial clients.

Subscription-based offensive cybersecurity firm delivering continuous cyber attack services with CREST STAR and CBEST accreditations from its London headquarters.

Berlin-based web, browser, and cryptography auditors founded by Dr. Mario Heiderich, trusted by ExpressVPN, NordVPN, 1Password, and Bitwarden.

CREST and CHECK-accredited UK penetration testing consultancy with CBEST approval, specialising in infrastructure, application, and simulated attack assessments across the public and private sectors.

CREST-accredited Manchester-based cyber security firm delivering penetration testing, managed security services, and compliance consultancy across the UK, Europe, and the USA.

Global enterprise cybersecurity consultancy founded in 1999 in Oxford, holding rare CREST STAR-FS accreditation and delivering penetration testing, red and purple teaming, and PCI QSA services across five international offices.

CREST-accredited UK cyber security and data protection consultancy offering penetration testing, ISO consultancy, and managed SOC services from offices across the UK and Ireland.
We currently list 49 penetration testing providers serving Europe. You can filter by service type, accreditation, compliance expertise, and pricing to find the best fit for your requirements. Each provider profile includes verified accreditations, service details, and independent scores based on our transparent methodology.
Of the 49 providers listed for Europe, 24 hold CREST accreditation, the most widely recognised standard for penetration testing quality in the Europe region. For European organisations, look for providers with ISO 27001 certification and expertise in GDPR, NIS 2, and DORA compliance.
Penetration testing costs in Europe vary significantly based on scope and complexity. A standard web application test typically ranges from €5,000 to €25,000, network penetration tests from €10,000 to €30,000, and comprehensive red team engagements from €30,000 to over €100,000. Key cost factors include the number of targets, required accreditations, testing methodology, and whether on-site presence is needed. See our general pricing guide for more detail.