#1 Merchant Service Solutions

Missouri Payment Processing & Merchant Service Solutions

Do you want to work with Missouri's top payment processing company?

Electronic Merchant Systems offers simple, integrated payment processing solutions to businesses in Missouri looking to lower payment processing fees and rates while boosting service offerings.

EMS has comprehensive solutions to simplify and improve the process of getting you paid faster, all while allowing your customers to pay the way they prefer.

Whether your small business needs a standard payment terminal, an eCommerce payment gateway, or a mobile payment solution, EMS has comprehensive solutions to simplify and improve the process of getting you paid.

For over 30 years, Electronic Merchant Systems has helped local Missouri realize their full potential.

That dedication and service include:

  • 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

If those points above feel like powerful opportunities for growth, we think that we'd be a great fit for you.

We’d love to help you get your business where you want it to be.

Missouri Small Business Accepting Credit Cards
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Choose Missouri's Best Payment Processor

Discover all of the Local Cities that EMS Serves in Missouri

  • Liberty
  • Manchester
  • Marshall
  • Maryland Heights
  • Maryville
  • Mehlville
  • Moberly
  • Neosho
  • Nixa
  • O'Fallon
  • Oakville
  • Old Jamestown
  • Overland
  • Ozark
  • Polk
  • Poplar Bluff
  • Raymore
  • Raytown
  • Republic
  • Rolla

How Much Could You Save With EMS? Let's Find Out!

Want to know exactly how much your Missouri small business could save with Electronic Merchant Systems?

We’re happy to say that our free, no-obligation rate review is just a click away.

All we need from you is an up-to-date credit card processing statement and some minor details about your company. Fill out this short form today!

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.