Making Payments Simple.
Bringing integrated credit card, debit card, and ACH/EFT solutions to your software.
Rest easy with advanced technology and data protection — integrated with your software.
• Simple Sign Up, Set Up & Start process
• Support for the life of your account
• PCI protection program
• Competitive processing rates
• Interactive customer portal
• Easy access to statements
• Simple account management tools
• Real-time reporting services
Process payments without any tech investment. No terminal required. No software needed.
Payments Made Simple for Your Industry
From SMBs to government municipalities, our flexible merchant and gateway services cater to a wide variety of verticals.

Fitness Facilities

Martial Arts Schools

Day & Sleepover Camps

Government Entities

Spas & Salons

Hotels & Resorts

Retail Beer, Wine & Liquor Stores

Moving & Storage Businesses
What Our Clients Say
Todd Spears
“Constellation’s service is impeccable; their team is responsive, and they actually care that you’re a customer. I’ve already directed over 5 new businesses to their service.”
About Us
Making Payments Simple is Our Passion
Harnessing the financial strength and stability of our parent company, Constellation Software, Inc. (TSE: CSU), Constellation Payments was born to provide one simple payment solution that helps businesses all over the world eliminate manual effort, streamline workflows, and gain back time to focus on core competencies.
Our Promise
We proudly stand by our ideals of honest practices and personal responsibility. It’s our promise to provide our partners and their customers a simple, reliable, and secure way to process payments of every kind. We achieve this through an absolute commitment to integrity, innovation, accountability, and caring about every transaction as if it were our very own.
Our Partners
Contact Us
Merchant Support
Call toll-free 888.244.2160
(Monday through Friday: 9 am – 7 pm ET)
Submit a support ticket
New Merchants
Call toll-free 888.244.2160
(Monday through Friday: 8 am – 5 pm ET)
sales@csipay.com
Take the Next Step
Make payments a simple part of your business.
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