Custom solutions with one-on-one support.

Your personal representative will help you find the best plan for your business, guide 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 your local representative to get started.


Merchant Services

Sam Waltz

SE Kansas, Southern Missouri and NW Arkansas
417-895-4705

Email Sam




Headshot Sam Waltz.













Card & Payment Processing Options

PCI Compliance

The in-house PCI team at BASYS will step you through the transaction security process and help you stay compliant.

Mobile Devices

Take payments anywhere with portable, powerful hand-held devices that handle all kinds of payments and print receipts.

Terminal & POS

Choose from the latest equipment, including complete point-of-sale systems and software to generate reports, track inventory and more.

E-Commerce

Discover secure options for your online transactions to improve data protection and reduce risk.

Virtual Terminal

Use a virtual terminal designed specifically to accept business and government cards or process transactions where cards are not present.















Custom Services


Free Cost Comparison

Get a free review of your existing merchant services expenses for a true cost comparison. Contact one of our Merchant Services Representatives below to get started.

Tailored Options

We can keep it as simple as single device or offer an in-depth analysis and custom designed program, and just about anything in-between.

Personal Assistance

You’ll have both a Great Southern representative and a dedicated BASYS account manager for one-on-one support, day-in day-out.



















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 logo.

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Live Teller ATM

Our friendly live tellers can help you get your banking done when it's convenient for you. Cash or deposit a check, reset your PIN, get assistance with your accounts, and more!

Financial Wellness

No matter your stage of life, we’re here to get you on the right path with learning tools tailored to you. Let’s get started.