Investor Services

Information for New Investors

If you want to know more about TransUnion, the following materials will help provide an introduction to our business.

Transfer Agent

Our transfer agent, American Stock Transfer & Trust Company, LLC (AST), can help with a variety of shareholder-related services. You can contact AST as follows:


Customer service representatives can be reached from 8 a.m. to 8 p.m. Eastern Time, Monday through Friday by calling (toll-free) 800-937-5449 or 718-921-8124. The telephone numbers for hearing impaired are (toll-free) 866-703-9077 or 718-921-8386.


To access AST online, please visit: Click on the Shareholders Tab.

Postal Mail

To contact AST via postal mail, please write to:

c/o American Stock Transfer & Trust Company, LLC
6201 15th Avenue
Brooklyn, NY 11219

Contact Usinvestor.relations@transunion.com312-985-2860

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