First Merchant Card Services (First MCS)

First Merchant Card Services (First MCS) is a St. Charles, Illinois-based payment processing and merchant services company helping retailers and small businesses accept payments efficiently and affordably. The First MCS team delivers point-of-sale payment solutions, terminal hardware, and processing services to merchants across the Chicago area and beyond.

As a Heckler partner, First MCS pairs Heckler's POS enclosures and iPad stands with the payment terminals and checkout hardware they supply to merchant clients — creating polished, professional counter experiences. Their St. Charles location anchors their work across the western Chicago suburbs and throughout the region.