ISMS Directory

    The 12 Best ISO 27001 Consultants in 2026

    Ranked by real buyer interest on ISMS Directory over the last 30 days. Updated September 2026.

    1. 1. MeasurementPros - Implementation and Assurance

      MeasurementPros brings hands-on implementation experience across security (ISO 27001, SOC 2) and governance (DORA, NIS2, CRA, EU AI Act, AIUC-1, GDPR, vCISO), serving clients in the EU as well as North American companies exposed to EU law.

      • ISO 27001
      • ISO 42001
      • ISO 27701
      • SOC 2 Type 2
      • GDPR
      • DORA
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    2. 2. Gritera

      Gritera specializes in information security management services, including advisory for ISO 27001 implementation and risk management.

      • ISO 27001
      • GDPR
      • ISO 27701
      • ISO 42001
      • DORA
      • NIS2
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    3. 3. URM Consulting

      UK information security consultancy for ISO 27001 implementation, internal audit, and certification support with a large public track record.

      • ISO 27001
      • GDPR
      • ISO 22301
      • Multi-framework
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    4. 4. Auro Security

      Most modern product teams, including SaaS, FinTech and cloud-native startups are moving fast, building with AI, and operating in an environment where enterprise buyers, regulators, and investors expect real security. Auro Security exists to help those teams get there. Operating across India and the Middle East, we work with founders, CTOs, and compliance leads to build security programs that hold up under scrutiny, not just on paper. What We Do We offer a focused suite of cybersecurity services: - SOC 2 and ISO 27001 Compliance: End-to-end audit readiness, gap assessments, policy creation, evidence collection support, and continuous monitoring. - VAPT (Vulnerability Assessment and Penetration Testing): Deep technical testing for web apps, mobile apps, APIs, cloud infrastructure, and networks to uncover risks before attackers do. - vCISO Services: Fractional cybersecurity leadership to help you build a security roadmap, manage risk, and meet enterprise expectations as you scale. Who We Serve We primarily work with: SaaS companies and cloud-native startups, FinTech and payments platforms, early-stage teams preparing for enterprise sales or compliance audits.

      • ISO 27001
      • ISO 42001
      • SOC 2 Type 2
      • GDPR
      • Multi-framework
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    5. 5. CG Business Consulting

      Irish consultancy specializing in ISO management systems including ISO 27001, ISO 27701, ISO 22301, and integrated compliance programs.

      • ISO 27001
      • ISO 27701
      • ISO 22301
      • ISO 9001
      • Multi-framework
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    6. 6. CBIZ Pivot Point Security

      US information security consultancy specializing in ISO 27001 implementation, SOC 2 readiness, CMMC, and ongoing compliance programs.

      • ISO 27001
      • SOC 2
      • CMMC
      • NIST CSF
      • Multi-framework
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    7. 7. CK Associates

      CK Associates is a leading ISO consulting firm with 20+ years of experience and 450+ successful certification projects. We help organizations implement, audit, and achieve ISO standards, including ISO 27001, ISO 42001, ISO 9001, and other compliance frameworks.

      • ISO 27001
      • ISO 42001
      • SOC 2 Type 2
      • Multi-framework
      • ISO 13485
      • ISO 14001
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    8. 8. Truesec

      Nordic cybersecurity company with a dedicated GRC practice for ISO 27001, NIS2, DORA, and NIST-aligned security programs.

      • ISO 27001
      • NIS2
      • DORA
      • NIST CSF
      • GDPR
      • Multi-framework
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    9. 9. GRC Solutions

      UK cyber security and compliance group (formerly IT Governance) for ISO 27001 consultancy, training, toolkits, and multi-framework programs.

      • ISO 27001
      • SOC 2
      • GDPR
      • PCI DSS
      • Cyber Essentials
      • ISO 42001
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    10. 10. Hard2bit

      Madrid cybersecurity firm offering GRC consulting for ISO 27001, NIS2, DORA, and ENS alongside technical security services.

      • ISO 27001
      • NIS2
      • DORA
      • ISO 22301
      • ISO 9001
      • Multi-framework
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    11. 11. GRC Advisory

      Polish GRC and SAP security consultancy with 15+ years of enterprise access governance, SoD, and risk-compliance implementations.

      • ISO 27001
      • GDPR
      • SOX
      • NIS2
      • DORA
      • Multi-framework
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    12. 12. SolidInfoSec

      Information security consulting focused on strengthening governance, risk and compliance practices. We help organizations structure and implement practical security processes, support audit readiness and build sustainable frameworks that remain workable over time.

      • ISO 27001
      • SOC 2 Type 2
      • GDPR
      • Multi-framework
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    Compare at a glance

    Same order as the ranked list above. Ranking reflects visitor interest measured on ISMS Directory over the last 30 days, not paid placement. Framework and region values come from the directory catalogue.
    RankProviderListed frameworksListed regionsProfile
    1MeasurementPros - Implementation and AssuranceISO 27001, ISO 42001, ISO 27701, SOC 2 Type 2, GDPR, DORAUnited States, United Kingdom, UAE +16 moreView profile
    2GriteraISO 27001, GDPR, ISO 27701, ISO 42001, DORA, NIS2Europe, NorwayView profile
    3URM ConsultingISO 27001, GDPR, ISO 22301, Multi-frameworkUnited Kingdom, Europe, GlobalView profile
    4Auro SecurityISO 27001, ISO 42001, SOC 2 Type 2, GDPR, Multi-frameworkGlobalView profile
    5CG Business ConsultingISO 27001, ISO 27701, ISO 22301, ISO 9001, Multi-frameworkIrelandView profile
    6CBIZ Pivot Point SecurityISO 27001, SOC 2, CMMC, NIST CSF, Multi-frameworkUnited States, GlobalView profile
    7CK AssociatesISO 27001, ISO 42001, SOC 2 Type 2, Multi-framework, ISO 13485, ISO 14001IndiaView profile
    8TruesecISO 27001, NIS2, DORA, NIST CSF, GDPR, Multi-frameworkSweden, Europe, Denmark +2 moreView profile
    9GRC SolutionsISO 27001, SOC 2, GDPR, PCI DSS, Cyber Essentials, ISO 42001United Kingdom, Europe, Global +1 moreView profile
    10Hard2bitISO 27001, NIS2, DORA, ISO 22301, ISO 9001, Multi-frameworkSpain, Europe, Latin AmericaView profile
    11GRC AdvisoryISO 27001, GDPR, SOX, NIS2, DORA, Multi-frameworkPoland, EuropeView profile
    12SolidInfoSecISO 27001, SOC 2 Type 2, GDPR, Multi-frameworkAustria, Belgium, Denmark +20 moreView profile

    Frequently asked questions

    How is this ISO 27001 Consultants ranking determined?
    Providers are first filtered to those that substantively cover ISO 27001 Consultants in the ISMS Directory catalogue, then ordered by real buyer interest — the directory traffic and engagement each provider received over the last 30 days. It is not paid placement and it is not an editorial opinion.
    How often is the list updated?
    The ranking recomputes from live directory-demand data on a rolling 30-day window and refreshes roughly every 15 minutes, so it reflects current interest rather than a one-off 2026 snapshot.
    Why are only 12 providers shown?
    This list shows the top providers by demand for ISO 27001 Consultants. Pages with fewer than three substantively-matching providers are not published at all, so every entry here represents a real, comparable option.
    How can my company appear here?
    Get listed in ISMS Directory with ISO 27001 Consultants expertise. Ranking is earned through genuine directory demand — there is no way to pay for a position.