UL Solutions
UL Solutions is a global safety science company providing testing, inspection, certification, advisory, software, and conformity-assessment services.
Last updated October 14, 2026
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Overview
UL Solutions is the commercial safety-science brand descended from Underwriters Laboratories, the organization established in Chicago in 1894 by electrical engineer William Henry Merrill. It began in an era when the rapid spread of electricity, electrical equipment, and building systems created new risks for insurers, manufacturers, regulators, and consumers. Merrill's early work focused on investigating electrical hazards and developing practical methods for evaluating products and materials. Over time, the organization built laboratories, technical expertise, and published safety requirements that helped shape modern product-safety practice. The UL name became associated with independent evaluation of products against safety requirements. Its activities expanded beyond electrical equipment to include appliances, fire protection, building materials, industrial equipment, information technology, medical and life-safety products, batteries, renewable-energy technologies, and other engineered systems. Depending on the market and applicable rules, the company's work may include testing, inspection, certification, validation, verification, performance assessment, regulatory support, and technical advisory services. UL Solutions also develops software and data-enabled tools intended to help companies manage product compliance, supply-chain requirements, risk, and sustainability information. The modern brand operates within the broader UL enterprise but is distinct from standards-development and public-safety activities associated with other UL organizations. In 2022, the commercial business adopted the UL Solutions name, emphasizing a broader portfolio than the traditional image of a product certification mark. The rebrand positioned the company as a partner for manufacturers, technology companies, retailers, regulators, and other organizations working to bring products and systems to market safely and responsibly. UL Solutions serves a wide range of industries. Its work covers consumer products and appliances, industrial and energy equipment, mobility and transportation, batteries and electrification, information and communications technology, medical devices, built environments, fire and life safety, and sustainability-related claims and performance. The company operates laboratories and offices internationally and supports organizations that need evidence of conformity with standards, codes, regulations, customer requirements, or voluntary sustainability criteria. A major turning point in the corporate history came in 2024, when UL Solutions, Inc. completed an initial public offering on the New York Stock Exchange under the symbol ULS. The listing made the commercial testing, inspection, and certification business a publicly traded company while the wider UL ecosystem continued to include separate nonprofit and standards-oriented entities. UL Solutions remains active as a global independent safety-science provider, combining laboratory testing and certification heritage with advisory, inspection, software, and data services. Its present positioning is based on helping organizations address safety, security, quality, performance, sustainability, and market-access requirements across increasingly complex product and technology value chains.
History
UL Solutions traces its origins to 1894, when William Henry Merrill founded Underwriters Laboratories in Chicago. Merrill, an electrical engineer, was asked to investigate fire risks associated with electrical systems and equipment during a period of rapid electrification. His work contributed to the development of a laboratory-based approach to product safety: equipment could be examined, tested, and evaluated against defined requirements before being used in buildings and commercial settings. The organization grew alongside the electrical and industrial economies of the United States. Its laboratories examined electrical products, wiring systems, appliances, fire-protection equipment, and other goods whose failures could cause fire, shock, injury, or property loss. The UL name and associated mark became familiar indicators that a product had undergone a specified evaluation. The significance of the mark depended on the applicable product category and certification conditions, but its broader effect was to give manufacturers, authorities, insurers, retailers, and consumers a common reference point for safety evidence. During the twentieth century, the organization expanded its technical scope and geographic reach. Product categories broadened from electrical equipment into appliances, building materials, industrial machinery, information technology, medical and life-safety products, transportation-related technologies, and energy systems. The organization also participated in technical research and standards-related work, while its commercial testing and certification activities developed into a substantial international service business. As supply chains became more global and products became increasingly software-enabled, connected, and integrated, safety assessment became only one part of a wider conformity and risk-management challenge. Manufacturers and technology companies increasingly required support with regulatory access, factory and supply-chain inspection, cybersecurity, interoperability, sustainability claims, environmental performance, and lifecycle issues. The commercial organization expanded its advisory, inspection, verification, digital, and software capabilities in response to those needs. In 2022, the commercial business adopted the UL Solutions brand. The name was intended to communicate that the business provided more than traditional laboratory testing or certification. It retained the heritage of the UL mark while presenting the company as a provider of integrated solutions for product development, market access, compliance, performance, sustainability, and risk management. The broader UL enterprise continued to include distinct entities involved in standards, research, education, and public-safety activities. In 2024, UL Solutions, Inc. completed an initial public offering on the New York Stock Exchange under the symbol ULS. The transaction established the commercial UL Solutions business as a listed company while preserving its relationship with the wider UL enterprise. Under CEO Jennifer Scanlon, the company has continued to focus on global testing, inspection, certification, advisory, and software services across sectors such as consumer products, industrial equipment, energy, batteries, mobility, information technology, healthcare, buildings, and sustainability. Its historical identity remains rooted in independent safety evaluation, but its current business scope reflects the complexity of modern products and global value chains.
- 2024
UL Solutions becomes publicly listed
[4]UL Solutions, Inc. completed an initial public offering and began trading on the New York Stock Exchange under the symbol ULS.
- 2022
Commercial business adopts the UL Solutions name
[1]The commercial organization introduced UL Solutions as its brand, reflecting an expanded portfolio covering testing, inspection, certification, advisory, software, and sustainability services.
- 1894
Underwriters Laboratories is established
[2]William Henry Merrill founded Underwriters Laboratories in Chicago to investigate electrical hazards and develop practical product-safety evaluation methods.
Products and positioning
Independent safety-science and conformity-assessment partner for organizations developing, manufacturing, certifying, deploying, and managing products and systems.
Testing and certification
Product safety testing and certification
UL Solutions evaluates electrical, electronic, consumer, industrial, and other products against applicable safety requirements. Services can include laboratory testing, technical file review, factory or production-site assessment, certification, and continuing conformity activities. Depending on the product and market, the work supports regulatory compliance, retailer or customer requirements, and use of applicable UL certification marks.
Energy and electrification
Battery and energy-storage services
The company provides testing, certification, inspection, and advisory services for batteries, energy-storage systems, electric-vehicle components, charging equipment, and related technologies. These services address safety, performance, transportation, installation, and market-access requirements for products used in increasingly electrified energy and mobility systems.
Information technology and cybersecurity
Cybersecurity and connected-product assessment
UL Solutions assesses connected products, software, industrial systems, and information-technology environments for cybersecurity and related assurance requirements. Offerings may include testing, evaluation, advisory support, and certification or verification against recognized frameworks and customer requirements.
Sustainability and verification
Sustainability and environmental verification
Sustainability services support organizations making environmental, social, product-impact, and supply-chain claims. Work can include verification, performance assessment, life-cycle-related analysis, responsible-sourcing support, and evaluation of products or facilities against applicable sustainability standards and criteria.
Brand decisions
2024
Complete initial public offeringOtherBackground
The commercial UL Solutions business pursued a public-market structure distinct from the wider UL enterprise.
Action taken
UL Solutions, Inc. completed an initial public offering and listed its shares on the New York Stock Exchange under the symbol ULS.
Aftermath
UL Solutions became a publicly traded company while continuing to operate as part of the broader UL ecosystem.
2022
Broaden the commercial identity to UL SolutionsStrategyBackground
The commercial business operated in a market where customers increasingly needed integrated support covering safety, regulatory access, performance, sustainability, software, and supply-chain risk rather than a single laboratory test.
Action taken
The organization introduced UL Solutions as the commercial brand while retaining the heritage of the UL name and distinguishing the business from other activities within the wider UL enterprise.
Aftermath
The rebrand presented UL Solutions as a broader safety-science and conformity-assessment partner across multiple industries.
Recent events
- 2024
UL Solutions completes initial public offering[4]
Other
UL Solutions, Inc. became publicly traded on the New York Stock Exchange under the ticker ULS, separating the listed commercial business from the broader UL enterprise structure.
- 2022
UL Solutions adopts new brand identity[1]
Other
The commercial safety-science business introduced the UL Solutions name and positioned itself around a wider set of testing, inspection, certification, advisory, software, and sustainability services.
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