Square is an American fintech company that grew from a tiny card reader for iPhone into an ecosystem of hardware, software, and banking services. Today, Square serves millions of small businesses from coffee shops to online stores, offering everything from terminals to lending and checking accounts.

The Square Ecosystem

Square is not just a payment gateway. It’s a full operating system for business:

Offline payments: proprietary POS terminals (Square Reader, Square Terminal, Square Register) accept cards, Apple Pay, Google Pay. Fixed-rate commission with no hidden fees.