Merchant Services

Credit Card Processing
& Payment Options

Custom Solutions with One-On-One Support

Find a payment processing program that fits your needs and an expert team to keep it humming along.

Great Southern Merchant Services Representatives

Your personal representative will help you find the best plan for your business, step you through the process of set-up, training, and most importantly, be a phone call away when you need assistance. In short, they’re here to keep your business up and running. Contact Mike, Joe or Eric to get started.

Mike Detrick

St. Louis area /
Kansas City area / Columbia, MO area  / Denver area /
Atlanta area

(636) 345-9587

Send a message
Joe Schmitz

SW Missouri / Arkansas /
SE Kansas / Oklahoma /
Dallas area

(417) 895-4705

Send a message
Eric Yoerger

Iowa / Minnesota /
Nebraska / Chicago Area

(515) 473-6089

Send a message

Experienced Partners

A payment system is only as good as the company behind it. Great Southern is proud to partner with industry leader BASYS Processing to bring you innovative solutions backed by outstanding customer service.

Basys Processing

Just for you

Your money is a click away

Get Text Banking, Mobile Check Deposit, Debit On/Off and tons more in the Great Southern mobile app. Complete control, wherever you are. Learn More


There’s nothing more relaxing. We make the buying process simple so you can get back to unwinding with a good book in the new home. Learn More

Keep in touch with your money

Transfer cash, check your balance, and get alerts. All in real time. Text banking is free and available in the app. Learn More