Explore all of ul.com

Contact us


As an American National Standards Institute (ANSI) and ANSI National Accreditation Board (ANAB) accredited Conformity Assessment Body, UL’s Supplier Quality Audits and Certifications provide independent, accredited third-party manufacturing and process assessments against a defined standard that aims to minimize supply chain risk, help protect brand value, and promote consumer and product safety.


UL’s Supplier Quality Audits and Certifications include:

Good Manufacturing Practices (GMP)

We help manufacturers, packagers and distribution centers demonstrate conformance to ISO international standards, the Code of Federal Regulations (CFR) and regional requirements through GMP certification and GMP audit services.

Retail Certification Program — ANAB and ANSI Accredited Scheme

Certification under this program helps supply chains meet the requirements of multiple retailers through a single annual assessment, reducing redundant audit activities and costs.

Learn more about the Retail Certification Program.

National Brand Certification Program — ANAB and ANSI Accredited Scheme

NBCP certification enables national brands to differentiate themselves through independent, third-party certification of their supply chain.

Learn more about the National Brand Certification Program.

UL and Natural Products Association (NPA) Certification Program, and ANAB and ANSI Accredited Program

We have partnered with the Natural Products Association (NPA), the nation’s largest trade organization representing natural products, to create a Good Manufacturing Practices Certification Program aimed at ensuring the quality and safety of dietary supplements.

Safe Quality Food (SQF) Certification Scheme — ANSI accredited

UL’s accredited SQF certification helps the food supply chain to maintain a robust food safety management system and minimize product safety-related risks.

Learn more about the SQF Certification Program.

Food Safety Modernization Act (FSMA)

UL’s FSMA Assessment is designed to assist farms and facilities worldwide to address food safety and compliance with U.S. food regulations to minimize food safety risks. UL’s assessments enable organizations to understand and prepare to implement the U.S. food regulations.

Hazard Analysis and Critical Control Points (HACCP) Certification

UL offers third-party HACCP Certification to help prevent product contamination and reduce production risks to a reasonably safe level.

Why UL

Public training services

UL is a licensed, approved training center for multiple schemes, standards, and industries. Training is offered either off-site or on-site, helping companies and individual employees obtain the necessary knowledge to implement and improve systems, processes, procedures, and programs. Our offerings include:

  • Food Safety Modernization Act (FSMA) — Food Safety Preventive Controls Alliance (FSPCA) and International Food Protection Training Institute (IFPTI) accredited training provider
  • Internal auditor training
  • Third-party auditor training
  • GMP training
  • Quality system training
  • HACCP training 

Impartiality and financial funding statement

As an accredited Certification Body, UL Verification Services, Inc. (UL VS USA) understands the importance of performing its management system certification activities impartially, including established policies and procedures to manage conflict of interest and ensure objectivity in the certification process. UL Verification Services, Inc. (UL VS USA) does not provide management system consulting.

UL Verification Services, Inc. (UL VS USA) is financially funded by the fees charged to the facilities for the management system, services and processes for which certification is provided. Fees are charged for the initial certification process and for ongoing surveillance.

As a certification body meeting ISO/IEC 17065 requirements we cannot participate in the design, manufacture, installation or distribution of the systems, processes, and services we certify. Nor can we link our activities to the activities of organizations that provide those systems, processes or services. To find such providers use an internet search engine and appropriate key words related to design, manufacture, installation or distribution for your specific system, process or service.

UL’s Complaints Disputes & Appeals procedure is available publicly.

View UL’s Inquiries, Complaints, Disputes and Appeals Procedure.