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The flexible, configurable solution for secure payment processing.

Looking for a solution to reduce payment transaction time and cost?

TransAction+ is a leading payment processing application for North America that integrates a variety of point-of-sale systems with a wide range of payment authorization providers.





The GK Software family of certified solutions gives companies the tools they need to integrate their payment processes into one easy, secure and highly flexible system with enhanced payment optimization capabilities.

TransAction+ delivers outstanding value, which is why leading retailers and restaurants run their businesses on TransAction+.

Most importantly, TransAction+ takes care of all your payment processing needs without requiring any additional infrastructure, so there’s nothing standing between your store and the payments processor. Take your payment processes to the next level with the most innovative, hassle-free payment technology available today.


Flexible and highly configurable

Flexible and highly configurable, supporting both payments and non-payments interactions at the customer-facing device

Support for multiple payment processors

Supports more than 40 payment processors, including virtually all the major payment providers and a growing number of other options

Accepts debit

Accepts debit, PIN-less debit, credit, EBT, eWIC, private label credit, branded and private label gift cards, gift certificates, loyalty and checks

Payment Optimization

Payment Optimization automatically processes transactions using the most cost-effective method for each payment type

Provides networking

Provides networking flexibility and resilience by supporting dial, dial backup, internet, TCP/IP and WAN payment authorization and settlement

Secure and reliable

Secure and reliable, with certification for PA-DSS and PABP, and support for End-to-End Encryption (E2EE) and EMV

Continually updated

Continually updated and enhanced to support security, processor, and card brand mandates as a part of standard product maintenance

Backed by a reputable business

Backed by a reputable, responsive, service-oriented business




Central Services

Our Central Services suite provides an additional set of advanced features which allows you to process and analyze a variety of transactions. They enable easy access to valuable customer data from any source across the enterprise in real time. With these tools in place, you can centrally track and analyze customer history, streamline returns, support loss prevention and promote loyalty initiatives.


GK’s Central Services complement and enhance the OmniPOS Central Applications and Transaction pool, while providing sophisticated and powerful capabilities for retailers and restaurants, including:


Central Electronic Journal and Reporting

Central Electronic Journal & Reporting

Provides a one-stop shop for all the tools you need to search, analyze and report on valuable transaction data.


Central Returns

Central Returns

Enables you to reduce customer service issues, errors and losses by automating returns transactions through custom rules configurations and enforcement of store policy.


Loyalty and Card Services Functions

Loyalty and Card Services Functions

Creates a centralized management portal to manage everything from loyalty programs and serialized coupons to in-house gift cards.




Electronic Payments

An Advanced Solution for Credit, Debit, Gift, Loyalty and Check


Supports All Major Payment Processors

Supports All Major Payment Processors

Provides Payment Optimization capabilities and support for all the major payment processors and networks – so you and your customers are guaranteed to enjoy the best combination of service and price.


Complies with Latest Industry Regulations and Certifications

Complies with Latest Industry Regulations and Certifications

One of the first solutions certified for both E2EE and EMV on multiple payment platforms and devices. We have earned the PA-DSS Certification and GK Software has extensive experience partnering with retailers to assist them in their own certification process.


Non-Payments Customer Interactions

Non-Payments Customer Interactions

Enables the use of the payment for e-receipt prompting, loyalty interactions, email capture and confirmation, survey responses, and a host of other non-payment functions.


What our customers say