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 to 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+.


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

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

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

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

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

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

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

  • Backed by a reputable, responsive, service-oriented business

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.

Central Services

Our Central Services suite provides an additional set of advanced features that 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 & Reporting – Provides a one-stop shop for all the tools you need to search for, analyze and report on valuable transaction data.
  • 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 – Creates a centralized management portal to manage everything from loyalty programs to serialized coupons to in-house gift cards. 

Learn more about GK’s centralized suite of enhanced services

Electronic Payments

An Advanced Solution for Credit, Debit, Gift, Loyalty and Check
Supports All Major Payment Processors

TransAction+ Payment Service 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.

Comply with Latest Industry Regulations

We are constantly updating the product to support the latest industry requirements and mandates. We were one of the first to certify for both E2EE and EMV on multiple payments platforms and devices, and our customers benefit from early deployment of these key enhancements.

PA-DSS Certification

TransAction+ has earned the PA-DSS Certification and GK Software has extensive experience partnering with retailers large and small to assist them in their own certification process. You can trust TransAction+ to be compliant with all security standards.

Non-Payments Customer Interactions

Modern retailing demands that every touchpoint be utilized to maximize speed and enhance the customer experience. TransAction+ 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. These interactions can be adapted rapidly in response to changing customer demands and marketing initiatives, increasing the agility of your retail business.

Cloud Ready

SAP® HANA Enterprise Cloud or Microsoft® Azure Cloud availability come standard, with the option to customize to meet the needs of any IT infrastructure.