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What You Need to Know About IAF CertSearch

The trusted database designed to verify organizations that hold accredited certification.

What is IAF CertSearch?

The International Accreditation Forum (IAF) established and maintains the IAF CertSearch database. This is an online tool where its members’ accredited management system certifications from around the world, (including certifications from NSF), can be validated.

Users can validate certification(s) confidently knowing the:

  • Certification is valid
  • Certification body is accredited
  • Accreditation body is IAF MLA signatory.

To verify accredited certifications, a search can be performed using either a company name or a certificate number. This could be useful for organizations verifying certification claims of businesses in their supply chain.

Verify who holds an accredited certification

Start your search

*Additional details of clients' certifications with NSF can be provided upon request.

How NSF Can Help You

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What’s New with NSF

  • iNADO Partners with NSF to Support Members and Athletes

    May 27, 2026
    iNADO is pleased to welcome NSF’s expertise and experience in support of its members and the athletes they serve
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  • NSF Ends UK’s Three-Year Testing Gap with REG 31 Testing Designation

    May 20, 2026
    NSF’s Oakdale laboratory becomes the UK’s sole facility offering comprehensive BS 6920 and REG 31 testing, closing a critical drinking water safety gap.
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  • Tangent® Materials Announces Industry First: Tangent PolySheet™ CB Earns Certification to NSF 537, Becoming the First PFAS-Free NSF Standard 51 Food Equipment Material

    May 20, 2026
    New food-grade synthetic cutting-board sheet, engineered from the ground up without per- and polyfluoroalkyl substances (PFAS), establishes a new materialsafety benchmark for food-contact and food-equipment applications.
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  • NSF Expands Food Equipment Portfolio with Electrical Safety Testing and Certification

    April 30, 2026
    Manufacturers now have a “one-stop-shop” for both sanitation and electrical safety certification, enabling market expansion and regulatory compliance.
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