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"Our goal is to provide value to merchants, whether it's saving money, offering new technology, or simply providing superior service." - Trinity Merchant Group

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Services We Offer

Trinity Merchant Group started with a simple concept; deliver more than is expected. We are all about the customer experience. With Trinity, not only are you processing your credit and debit card payments with one of the best processors in the industry, but you have access to a full suite of in-house products including our check guarantee program, online reporting, e-commerce gateway, gift cards, equipment leasing, as well as ACH and EBT processing.

Retail Payments

No two retailers are exactly alike. For 7 years now, we have worked with thousands of businesses and have seen every possible scenario.

Mobile Payments

Turn any mobile device into a credit card processor. Compatible with the iPhone, iPad and Android operating system.


Our Premium Shopping Cart has an extremely robust set of features and no programming skills are required.

Virtual Terminal

We offer a powerful enterprise solution that is necessary for fast, reliable and secure transactions between you and your customers.


We offer customized B2B credit card processing solutions, including Level 2 processing capabilities and PCI compliance.

Point of Sale

Time to replace your cash register? Enjoy the freedom and flexibility to take your store anywhere. It's more than point-of-sale.


Accept Donations? We have a great solution for non-profits, schools, faith-based organizations, charities and any fundraising campaign.

Working Capital

Need working capital? We help businesses all across the country by providing working capital from our Cash Advance partners.

#1 Trusted Payment Processor for Veterinarians

TMGvets was created to give every veterinarian access to industry leading rates and services for payment processing. Through our business alliance partnerships and allied memberships we offer practices pre-negotiated rates with guaranteed savings, direct access to our Veterinarian Payment Specialists, and 24-hr customer support