Square website is operated by squareup.com, a major Software retailer in the country. Currently we are providing 5 offers. In general, the WebbyPlanet community publishes 3 new Square coupon codes or deals each month, with discounts that range from 32% to 56% off. This page was last updated on October 15, 2019. Never miss a great Square promo code or online coupon and save money on your Online payments purchase by using deals on this page.