Square is a global financial services and mobile payment company that provides a suite of tools for businesses to accept payments, manage their operations, and grow their businesses. Founded in 2009, Square offers point-of-sale (POS) systems, payment processing solutions, and various business management tools tailored for small and medium-sized enterprises. The company's products are known for their simplicity, reliability, and affordability, making them popular among a wide range of industries, including retail, hospitality, and services.