Square has raised $520 million in venture and later financing, alongside large post-IPO institutional transactions such as $1B placements in March 2020 and a $862M public/institutional event in July 2018, reflecting strong institutional interest. Founded in 2009, Square builds point-of-sale hardware, payments rails, merchant services and software for small and mid-sized businesses. Funding supported product diversification hardware, payroll, online ordering, eCommerce, and Cash App expansion helping Square become a merchant platform and payments ecosystem operator across global markets.