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Component Testing and Certification Services

UL Solutions testing helps validate that product components meet durability expectations and compliance requirements.

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Component testing and certification

UL Solutions helps confirm that product components meet durability expectations and compliance requirements, supporting faster, more confident integration into end products. We work with manufacturers, OEMs, and suppliers across the development cycle with testing, certification and advisory services that align to current market specifications.  

UL Solutions evaluates representative samples of components and subassemblies so you can demonstrate safety, performance and quality to your customers. Our Components Certification programs enable UL certified components to stand out and help streamline end‑product approvals.

Lithium-ion High-voltage Battery Component for Electric Vehicle or Hybrid Car. Battery Module for Automotive Industry on Production Line. High Capacity Battery on Conveyor.

UL Recognized components

The UL Recognized Component Mark indicates a component was assessed to applicable UL requirements for use within a larger UL Certified end product, with defined conditions of acceptability for the intended application. Using recognized parts can simplify end‑product certification and reduce re‑testing.  

UL Listed components

UL Listed applies to complete products and equipment intended for field installation in accordance with model codes and manufacturer instructions. In contrast to recognition, Listing communicates that the finished item was investigated to applicable construction and performance requirements. 

Why work with UL Solutions

We work with manufacturers, original equipment manufacturers (OEMs), and their suppliers to help them bring safer, smarter products to market. We offer a comprehensive set of services throughout the entire development cycle, providing you with single destination testing and advisory services. We work closely with key international regulatory agencies, code authorities and manufacturers on the development of consensus-based standards and services for emerging technologies within your industry. Our expertise gives you confidence that your components will be validated against current market specifications.

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Trusted Marks

The UL Recognized Component Mark for North America and the D Mark programs serve worldwide markets. Guidance on enhanced and smart UL Marks is available to help communicate certification scope clearly and consistently.

Ongoing surveillance and quality

UL Solutions conducts Follow‑Up Services to help confirm continued compliance for certified components, providing assurance to end‑product manufacturers that your production is monitored against applicable requirements.

Find certified components

Use Product iQ® to verify UL certification, review guide information and identify alternative components by keyword, CCN, file number and more. This is the fastest way to search UL components, UL parts and components listing details.

Digital Marketplace for certification data

Access Conditions of Acceptability and ratings through UL Solutions’ Digital Marketplace for UL Certification Data, which supports component selection and documentation for end‑use applications.

Industrial control panels

Standards and guidance

Identify and purchase component standards through the Standards Catalog to align designs with applicable UL, ULC and Outline requirements. You can search scopes and obtain the standards you need.

Using UL Marks

Find instructions for selecting and applying UL Marks, including legacy, enhanced and smart mark usage on products, packaging and promotions. This helps teams present certification status correctly.

Develop a Schedule and Standards for Routine Maintenance in Manufacturing Industry. Maintenance Engineer is working at the injection mold machine while checking the machines as planned based on standard checklist.

Start your component project

Engage UL Solutions early for preliminary evaluations that identify potential issues before full testing. Then submit your component for investigation, quoting and scheduling through our standard submittal process.

Submit a component

Begin with a request for quote or Request for Information to route your project to the appropriate team and lab. You will receive a scope, pricing and next steps, including sample requirements.

Check certificates

If you need to verify certification status or documentation, use Product iQ for listings or the certificate search tools provided by UL Solutions.

Materials and sectors we support

UL Solutions supports a wide range of component categories and material programs that can accelerate approvals and sourcing.

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Get in touch

Partner with UL Solutions to certify or recognize your components and help speed market access. Contact us to start your components project and learn how UL Recognized or UL Listed components can support your customers and end‑product compliance.