Greenwich Payment Advisors offers merchants an array of payment solutions to suit their needs.

Whether your business needs simple terminal-only applications, integrated terminal/printer/PIN Pad/check imager solutions, or state-of-the-art wireless, mobile, or online credit card processing solutions, Greenwich Payment Advisors has the equipment, software and expertise to find the solution that fits your business.


Ready to integrate with Greenwich Payments?

Integrate the best payment processing options for your business.

Whether for in-store payments or online transactions, our credit card merchant services allow you to generate sales quickly, easily, and securely. Better still, our merchant payment processing solutions integrate seamlessly with many of the accounting, customer relationship management (CRM) and sales tools already used to manage your business. In addition, you have access to a huge collection of third-party plugins from the Clover App Market, allowing you to further expand your payment environment’s functionality.

Learn about our Omnichannel Payment Acceptance Solutions.

You might manage one business, but you likely generate sales across multiple channels (e.g., checkout counters, mobile apps, and online shopping carts). With our omnichannel credit card acceptance services, all incoming sales are collected and reported in a single dashboard — complete with third-party integration with the business tools you already use.


A Secure Credit Card Payment Gateway

Businesses of all sizes can easily connect to our credit card payment gateway, to securely accept online credit card payments or process transactions in-store.

Simple Payment Gateway API Integration

  • Seamless payment gateway integration for the addition of payment acceptance into any existing environment
  • Omnichannel processing for accepting credit cards online and in-store
  • Full library of developer-friendly REST APIs for PHP, JSON/JavaScript and Java

Interchange Optimization for the Best Payment Processing Rates

  • Lowest credit card processing rates ensured for every transaction through interchange optimization
  • Complete Level II and Level III data passed as an extra layer of security which means more processing savings for you

Additional benefits of accepting merchant payments through Greenwich Payment Advisors include:

• POS systems that can accept multiple payment types, including credit cards, debit cards, EMV chip cards, contactless cards, and NFC enabled devices

• Unrivaled data security, complete with tokenization and point-to-point encryption (P2PE) designed to protect sensitive payment information from theft and abuse

• POS accessories and peripheral devices to help make payments even easier, faster, and more convenient — for you and your customers

• Detailed reporting and analytics to help track your business’s performance. These real-time stats are cloud based, making them securely accessible anytime and anywhere

• 24/7 customer support from trained merchant payments experts who understand the unique challenges of launching and growing a business