Simpson Thacher is representing Transaction Network Services, Inc. (“TNS”) in the sale of its Payment Gateway Services business to MasterCard Incorporated.  Terms of the transaction were not disclosed.

Founded in 1990, TNS’ global expertise extends to more than 60 countries across Europe, the Americas and the Asia Pacific regions. TNS has been a trusted provider to the payments industry for more than 20 years. The TNS Payment Gateway Services business provides card-present and card-not-present payment gateways.

The Simpson Thacher team working on this transaction include Dan Clivner, Justin Yi, Denis Griffin, Mimi Cheng and Robert Smith (M&A); Tristan Brown, Thomas Asmar and Leah Segall (Executive Compensation and Employee Benefits); Katharine Moir and Judy Yan (Tax); Matt Reilly, Michael Naughton, John Goheen and William Kearney (Competition); Marcela Robledo (IP); and Michael Isby (Environmental).