#1 Merchant Services in WI

Wisconsin Payment Processing & Merchant Service Solutions

Do you want to work with Wisconsin's top payment processor? Electronic Merchant Systems provides simple, integrated payment processing solutions to local Wisconsin businesses wishing to reduce processing fees and expand their service offerings.

Electronic Merchant Systems provides comprehensive solutions to increase and simplify the process of getting you paid faster, whether you need a traditional payment terminal, a mobile payment solution, or an eCommerce payment gateway.

For over 30 years, Electronic Merchant Systems has helped local Wisconsin 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

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

Let's get your business where you want it to be. Start growing with EMS today.

accepting a credit card a small business in Wisconsin
dots background pattern
Start Accepting Credit Cards at your Business in Wisconsin

Discover All Of The Local Cities in WI That EMS Serves

  • Allouez
  • Appleton
  • Ashwaubenon
  • Baraboo
  • Beaver Dam
  • Bellevue
  • Beloit
  • Brookfield
  • Brown Deer
  • Burlington
  • Caledonia
  • Cedarburg
  • Chippewa Falls
  • Cudahy
  • De Pere
  • DeForest
  • Eau Claire
  • Elkhorn
  • Fitchburg
  • Fond du Lac
  • Fort Atkinson
  • Fox Crossing
  • Franklin
  • Germantown
  • Glendale
  • Mequon
  • Middleton
  • Milwaukee
  • Monroe
  • Mount Pleasant
  • Muskego
  • Neenah
  • New Berlin
  • New Richmond
  • Oak Creek
  • Oconomowoc
  • Onalaska
  • Oregon
  • Oshkosh
  • Pewaukee
  • Platteville
  • Pleasant Prairie
  • Plover
  • Port Washington
  • Portage
  • Racine
  • Reedsburg
  • Richfield
  • River Falls
  • Salem Lakes
  • Sheboygan
  • Shorewood
  • South Milwaukee
  • Sparta
  • St. Francis
  • Stevens Point
  • Stoughton
  • Suamico
  • Sun Prairie
  • Superior
  • Sussex
  • Two Rivers
  • Verona
  • Watertown
  • Waukesha
  • Waunakee
  • Waupun
  • Wausau
  • Wauwatosa
  • West Allis
  • West Bend
  • Weston
  • Whitefish Bay
  • Whitewater
  • Wisconsin Rapids

Find Out How Much You Could Save

Would you like to know exactly how much your Wisconsin small business could save with Electronic Merchant Systems? We’re excited 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 the short form here 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.