Share: Marketing Mendoza Group, Inc. Visit Website 3813 West Chester Pike Ellis Preserve, Clara Barton Cottage Newtown Square, PA 09073 (610) 627-1000 About Map About First full-service Hispanic advertising and translation agency in the tri-state area, specializing in cross-cultural marketing strategies including branding, creative, media and public relations. What's Nearby? Distance: 5 10 15 20 25 50 mi.