About Mercantile Processing

Established in 2006, Mercantile Processing Inc. (MPI) began its journey in Sussex County, Delaware, where its Corporate Office remains rooted to this day. From its humble beginnings, MPI has flourished, expanding its reach across the United States and extending its services to international businesses. Throughout its growth, MPI has remained steadfast in its commitment to delivering unparalleled customer experiences, making client satisfaction the cornerstone of its operations.

With a decade of expertise in servicing Bank Partner relationships, MPI has cultivated strong alliances within the financial sector. Since 2009, when our first Bank Partner came on board, we have continued to strengthen our Bank Partnership program, bolstered by endorsements such as the Maryland Bankers Association's vote of confidence. While MPI's origins lie in merchant services, our evolution has seen the development of innovative programs that cater to diverse business needs, including gateway and POS-only solutions. As a support-based ISO, MPI is dedicated to providing exemplary service at accessible rates, ensuring that every merchant enjoys an outstanding payment experience. Located at 510 Revolution St, Havre de Grace MD 21078, MPI stands as a beacon of reliability and excellence in the realm of business services.