ISMS Directory

    The 12 Best NIS2 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.

      • NIS2
      • ISO 27001
      • ISO 42001
      • ISO 27701
      • SOC 2 Type 2
      • GDPR
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    2. 2. Gritera

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

      • NIS2
      • ISO 27001
      • GDPR
      • ISO 27701
      • ISO 42001
      • DORA
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    3. 3. Truesec

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

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

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

      • NIS2
      • ISO 27001
      • SOC 2
      • GDPR
      • PCI DSS
      • Cyber Essentials
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    5. 5. Hard2bit

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

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

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

      • NIS2
      • ISO 27001
      • GDPR
      • SOX
      • DORA
      • Multi-framework
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    7. 7. ReadySecGo

      ReadySecGo provides practical, end-to-end information security and compliance services designed for startups and growing organizations. We specialize in ISO 27001, SOC 2, and BSI C5 implementation, readiness, and auditing — helping teams build trust through structured, scalable, and cost-effective security programs. Our services include Gap Assessments, Internal & External Audits, Audit Readiness, and vCISO (Virtual CISO) support. With a hands-on, no-nonsense approach, ReadySecGo bridges the gap between frameworks and real-world execution — enabling companies to achieve compliance maturity without the complexity.

      • NIS2
      • ISO 27001
      • ISO 42001
      • SOC 2 Type 2
      • GDPR
      • Multi-framework
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    8. 8. GRCC Jahn

      Governance, Risk & Compliance consulting by Viktor Jahn. One point of contact from start to finish. Audits, advisory, and training across NIS2, BISG, TISAX, DORA, GDPR, and ISO 27001. Pragmatic, hands-on and built for practice.

      • NIS2
      • ISO 27001
      • ISO 42001
      • GDPR
      • Multi-framework
      • DORA
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    9. 9. ISO 27001:2002 Audit prep

      ISO 27k and Cyber GRC suite of offerings encompassing NIS2 and other frameworks

      • NIS2
      • ISO 27001
      • GDPR
      • Multi-framework
      • DORA
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    10. 10. Circl3.tech

      Circl3.tech is a Cyprus-based cybersecurity advisory firm specialising in vCISO services, information security governance, risk management, and regulatory compliance. Founded by Panos Panayiotou — an ISO/IEC 27001 Lead Implementer (Senior) and seasoned CISO with over 25 years of experience across banking and government sectors — Circl3.tech supports public and private sector organisations in designing and implementing cybersecurity frameworks, ISMS control environments, and strategic security programmes aligned with ISO/IEC 27001 and NIS requirements.

      • NIS2
      • ISO 27001
      • DORA
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    11. 11. FEHA

      FEHA is an AI and Human powered platform supporting businesses to comply with various frameworks and regulations, and prepare for certification, seamlessly.

      • NIS2
      • Multi-framework
      • ISO 27001
      • ISO 9001
      • ISO 42001
      • SOC 2
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    12. 12. Bitsecura

      *** Helping Businesses Achieve Compliance & Certification Success *** Bitsecura is a IT governance, risk, and compliance (GRC) firm specialising in helping organisations protect their critical assets, navigate complex regulatory landscapes, and build sustainable cybersecurity frameworks. With over 20 years of industry experience, we offer strategic guidance, bespoke solutions, and operational support that align seamlessly with your business objectives. Our commitment to practical innovation and long-term partnerships ensures that working with Bitsecura not only strengthens your current security posture, but also builds a lasting foundation for future resilience.

      • NIS2
      • ISO 27001
      • ISO 42001
      • SOC 2 Type 2
      • Multi-framework
      • ISO 27701
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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 AssuranceNIS2, ISO 27001, ISO 42001, ISO 27701, SOC 2 Type 2, GDPRUnited States, United Kingdom, UAE +16 moreView profile
    2GriteraNIS2, ISO 27001, GDPR, ISO 27701, ISO 42001, DORAEurope, NorwayView profile
    3TruesecNIS2, ISO 27001, DORA, NIST CSF, GDPR, Multi-frameworkSweden, Europe, Denmark +2 moreView profile
    4GRC SolutionsNIS2, ISO 27001, SOC 2, GDPR, PCI DSS, Cyber EssentialsUnited Kingdom, Europe, Global +1 moreView profile
    5Hard2bitNIS2, ISO 27001, DORA, ISO 22301, ISO 9001, Multi-frameworkSpain, Europe, Latin AmericaView profile
    6GRC AdvisoryNIS2, ISO 27001, GDPR, SOX, DORA, Multi-frameworkPoland, EuropeView profile
    7ReadySecGoNIS2, ISO 27001, ISO 42001, SOC 2 Type 2, GDPR, Multi-frameworkEurope, United Kingdom, United States +1 moreView profile
    8GRCC JahnNIS2, ISO 27001, ISO 42001, GDPR, Multi-framework, DORAAustria, Belgium, Denmark +5 moreView profile
    9ISO 27001:2002 Audit prepNIS2, ISO 27001, GDPR, Multi-framework, DORAAfrica, Europe, United Kingdom +1 moreView profile
    10Circl3.techNIS2, ISO 27001, DORAEuropeView profile
    11FEHANIS2, Multi-framework, ISO 27001, ISO 9001, ISO 42001, SOC 2GlobalView profile
    12BitsecuraNIS2, ISO 27001, ISO 42001, SOC 2 Type 2, Multi-framework, ISO 27701Australia, Canada, Europe +4 moreView profile

    Frequently asked questions

    How is this NIS2 Consultants ranking determined?
    Providers are first filtered to those that substantively cover NIS2 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 NIS2 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 NIS2 Consultants expertise. Ranking is earned through genuine directory demand — there is no way to pay for a position.