A London-based cybersecurity consultancy trusted by regulated organisations in financial services, healthcare, and the wider public and private sectors. CREST member and a PCI DSS QSA company, with PCI ASV scans delivered in partnership with an SSC-approved vendor.
Simulate real-world adversaries to validate resilience across applications, infrastructure and cloud.
Align security posture with PCI DSS, ISO 27001, SOC 2, SWIFT CSP, and evolving regulatory mandates.
Provide board-level insight, maturity benchmarking and long-term security roadmap guidance.
Thorough, accredited security capabilities built for regulated industries; from threat intelligence to compliance assurance.
Adversary simulation, threat-led testing and structured threat modelling for high-risk and regulated environments.
Explore →ISO 27001, PCI-DSS readiness, M&A cyber due diligence, structured assurance from scoping to certification.
Explore →Pre-arranged standby with contracted SLA, dedicated lead, quarterly tabletops and proactive threat hunting between incidents.
Explore →White, black and grey-box penetration testing, red team operations and full-stack application security assessments.
Explore →On-demand strategic leadership, security roadmaps, policy frameworks and architecture guidance at board level.
Explore →Risk audits, resilience assessments and controls maturity reviews mapped to leading frameworks and regulatory expectations.
Explore →Most clients begin with one of these — a fixed-scope engagement with senior testers, executive and technical reporting, and a retest included. Quoted within one working day.
Manual, CREST-aligned testing of your web applications and APIs. Authenticated, business-logic and OWASP coverage with reproduction steps and remediation guidance.
Explore web & API testing QSA-ledSegmentation and penetration testing mapped to PCI DSS v4.0 requirements, with audit-ready evidence and QSA-led assessments for your assessment.
Explore PCI DSS Audit-readyPenetration testing and security evidence formatted for your SOC 2 audit — the testing, findings letter and retest auditors expect to see.
Explore SOC 2 Supplier assuranceSecurity testing and documentation for healthtech and NHS suppliers facing DSPT, clinical-safety and customer due-diligence requirements.
Explore healthcare Adversary simulationGoal-based, real-world attack simulation across people, process and technology to validate detection and response, not just find vulnerabilities.
Explore red teaming CertificationTechnical testing and gap support to evidence Annex A controls and move your ISMS toward ISO 27001 certification with confidence.
Explore ISO 27001Bundled cybersecurity packages designed around the regulatory regime, threat model, and operating reality of each industry. One engagement, single team, evidence reuse across frameworks.
SOC 2, ISO 27001, PCI DSS, SWIFT CSP, operational resilience and threat-led testing for banks, fintech and payment institutions.
View package →DSPT, ISO 27001, GDPR for special category data, ransomware preparedness for NHS bodies and HealthTech.
View package →PCI DSS, Magecart defence, web app and API testing, GDPR. Scheduled around your trading calendar.
View package →SOC 2 and ISO 27001 evidence reuse, continuous pentesting, cloud security, enterprise procurement support.
View package →PCI DSS for multi-property estates, POS and PMS testing, network segmentation, GDPR for guest data.
View package →IT pentesting, safe OT/ICS assessment, IEC 62443-aligned methodology, NIS Regulations readiness.
View package →Jisc-aligned pentesting, GDPR for student data, research IP protection, ISO 27001 for commercial activity.
View package →Senior-led testing, regulator-aware reporting, and assurance that holds up in front of auditors and customers.
No junior hand-offs. Experienced consultants run your testing end to end, with manual depth beyond automated scans.
Recognised accreditation and a QSA-led PCI methodology, so your evidence stands up under audit and procurement review.
Technical detail for your engineers and a clear executive summary for the board, auditors and enterprise customers.
We re-test fixed findings and issue an updated attestation, so you can prove remediation, not just identify issues.
A London base with delivery across Europe, North America and the Middle East, on time zones that fit your business.
Built for fintech, SaaS, healthcare and payments, we map findings to the frameworks and obligations that apply to you.
Code-level scanning, malware-pattern updates and expert escalation, built from patterns our consultants encounter in real incident response work.
Independent expertise, regulatory alignment, and board-ready insight delivered with global reach.
We provide objective security testing focused on real business risk. Our assessments identify exploitable weaknesses and prioritise what matters most to your organisation.
Our testing approach maps to recognised regulatory and industry standards. This ensures findings support compliance while strengthening practical security controls.
We deliver clear reporting tailored for technical teams and senior leadership. Insights are structured to support decision making and risk oversight.
Our team delivers security engagements across multiple regions. We provide consistent standards and coordination regardless of location.
CREST member and QSA-led. Supporting clients across regulated sectors in Europe, North America and the Middle East.
Available 24/7 on part and full retainers. Senior responders on standby to contain, investigate and recover, wherever your systems are.
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Our consultants hold the certifications regulated clients and auditors look for
Ranked #5 in Top Cybersecurity Consulting Companies in the UK on Clutch (May 2026). Trusted by organisations across financial services, SaaS, e-commerce, healthcare and public sector.
Findings from real incidents, pen test debriefs, and breach analysis. Plain-English writeups of what our consultants are seeing in the wild.
Post-breach analysis
Post-breach analysis of a compromised WordPress site that was redirecting visitors to malicious advertising domains. We walk through the backdoor mechanism, the persistence techniques, and what to look for in your own logs.
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Buyer guide
What actually drives the price of a pen test, with concrete scope factors. Useful if you have ever been quoted wildly different prices for what sounded like the same engagement.
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Announcement
RedSecLabs is now officially CREST-accredited, the globally recognised standard for high-assurance penetration testing and incident response services.
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