Underwriters Laboratories s a global independent safety science company offering expertise across seven key strategic businesses: Product Safety, Environment, Information and Insights, Life & Health, Verification Services, Enterprise Services, and Workplace Health & Safety.



William Henry Merrill (December 29, 1868 – September 17, 1923)[1] was an American electrical engineer who founded Underwriters Laboratories in 1894

UL has a proud history that continues to motivate us each and every day. For more than a century we have employed exacting scientific processes and the highest ethical principles to deliver trusted results. Today, we are still focusing on the next generation of safety challenges, helping new geographies, new industries and new stakeholders create safer living and work environments.[1]


  1. UL. Birth of UL. Accessdate 26 Dec 2013.