UL Solutions
Northbrook, United States
Global safety science company offering electrical safety testing including dielectric strength, dielectric withstand, insulation resistance, and electrical insulation systems testing for products ranging from appliances to medium- and high-voltage cable systems.
- Headquarters
- Northbrook, United States
- Founded
- 1894
- Website
- www.ul.com
- Legal name
- UL Solutions Inc.
- Employees
- 10,001+ employees
- Company page ↗
Geographic coverage
- More than 110 countries (certification market reach)
- 140+ office and laboratory sites worldwide
Notable facts
- Traces its origin to the Underwriters' Electrical Bureau founded in 1894
- Operates as a Nationally Recognized Testing Laboratory (NRTL) recognized by OSHA
Verified credentials
✓ = confirmed on the accrediting body's own public registry. (unverified) = the provider's own claim, not independently confirmed in a registry. Never take a certification claim at face value; verify directly with the issuing body before you retain a vendor. See methodology.
Service categories
Sources. This profile is compiled from public reference data, WebSearch-verified againstsource 1 · source 2 · source 3. Data as of 2026-07-11. See methodology.
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