#1 Merchant Services

South Dakota Payment Processing & Merchant Service Solutions

Are you browsing for the top payment processing company in South Dakota? Electronic Merchant Systems provides simple and integrated payment processing solutions for companies wishing to reduce processing fees and enhance their service offerings.

Whether your small business needs a standard payment terminal, a mobile payment solution, or an eCommerce payment gateway, Electronic Merchant Systems can help.

For over 30 years, Electronic Merchant Systems has helped South Dakota businesses just like yours realize their full potential.

That includes:

  • Streamlining the acceptance of all major credit and debit cards
  • Saving money on your credit card rates and fees
  • Receiving stellar 24/7/365 Customer Service
  • Adding email invoicing, contactless payment, or eCommerce

Sound like powerful opportunities? We think so, and we'd love to help your business grow.

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Choose the Top Payment Processor in South Dakota

Discover all of the Local  Communities that EMS Serves in South Dakota

  • Aberdeen
  • Baltic
  • Belle Fourche
  • Beresford
  • Big Sioux
  • Blackhawk
  • Box Elder
  • Brandon
  • Britton
  • Brookings
  • Canton
  • Chamberlain
  • Clear Lake
  • Colonial Pine Hills
  • Crooks
  • Custer
  • Dakota Dunes
  • Deadwood
  • Delapre
  • Dell Rapids
  • Eagle Butte
  • Elk Point
  • Flandreau
  • Fort Pierre
  • Fort Thompson
  • Freeman
  • Garretson
  • Gettysburg
  • Gregory
  • Groton
  • Harrisburg
  • Hartford
  • Hot Springs
  • Huron
  • Jefferson
  • Lead
  • Lemmon
  • Lennox
  • Lincoln
  • Madison
  • Mapleton
  • Medary
  • Milbank
  • Miller
  • Mission
  • Mitchell
  • Mobridge
  • North Eagle Butte
  • North Sioux City
  • North Spearfish
  • Oglala
  • Parkston
  • Pierre
  • Pine Ridge
  • Platte
  • Porcupine
  • Rapid City
  • Rapid Valley
  • Redfield
  • Rosebud

Discover How Much You Could Save

Would you like to know exactly how much your South Dakota small business could save with Electronic Merchant Systems? We’re thrilled to find out, too!

And we can do so with a free, no-obligation rate review.

All we’ll need from you is a copy of your most recent credit card processing statement and a few minor business details.

Fill out our short form to get started!

975+ Google Reviews | 4.7-Star Rating

Here’s What Our Customers Say:


“EMS has been a pleasure to work with. Always providing great customer service. Our representative is always available to assist and as a small business we appreciate that.”

AME Loyal Inc


“I have had great service from EMS. I recently had a hardware issue that they were excellent to deal with and immediately got my issue resolved.”

Brian P.


“Tech support has always been available and takes care of a problem in one call. Had the system for many years now and only called for help 4 to 5 times. Great system and support.”

Brita L.