If you want to submit a complaint, appeal or dispute relating to the certification of electrical products, please visit our facilities or contact us to know the relevant procedures.

Address your complaint to any UL employee or representative at the following contact details:

UL de México, S. A. de C. V.

  1. Blas Pascal, No. 205, Piso 2, C. P. 11510

Col. Los Morales, México, D.F.

Ph: + 52 + 55 3000-5400
Fax: +52+55 3000-5491

Or email to: COMEXICOINBOX@ul.com