Square is a merchant services aggregator and mobile payment company that aims to simplify commerce through technology.

Square helps anyone take care of their business. Square's complete register service is a full point of sale with tools for every part of running a business, from accepting credit cards and tracking sales and inventory to small-business financing.

Square was founded in 2009 by Jack Dorsey, Jim McKelvey, & Tristan O’Tierney. The company is headquartered in San Francisco. Square is currently available in the United States, Canada, Australia, and Japan. It's offices are located in San Francisco, New York, Atlanta, St. Louis, Kitchener-Waterloo, Dublin, London, Toronto, Melbourne, and Tokyo.


Square markets several software and hardware payments products, including Square Contactless and Chip Reader, Square Stand, Square Register and Square Magstripe Reader, and has expanded into small business services such as Square Capital, a financing program, Cash App, a person-to-person payments service, Appointments, Gift Cards/eGift Cards, Invoices, Virtual Terminal, Marketing, Loyalty, Employee Management, and Square Payroll.  

Square Register allows individuals and merchants in the United States, Canada, Japan, Australia, and the United Kingdom, to accept offline debit and credit cards on their iOS or Android smartphone or tablet computer.

Square has an application programming interface to process credit card payments online. The API, launched in 2016, is expected to be the first step in Square's online expansion, with its acquisition of Weebly.


Square is backed by top-tier investors including Khosla Ventures, Sequoia Capital, Kleiner Perkins Caufield & Byers, Citi Ventures, Goldman Sachs, and Starbucks among others. The company went public on Nov 19, 2015 with a valuation of $6B the company raised $243M at IPO.


Square has acquired over 10 companies including a $365M acquisition of Weebly on Apr 26, 2018. The company has also made over 10 investments to date. 


Square was ranked 15th on the 2017 Fintech100 List.



  • Year founded: 2009
  • Funding Info: $590.5M in 8 Funding Rounds (Last Funding Type: Venture- Series Unknown)- Square has also made 13 acquisitions as well as made 11 investments to date!
  • Yearly Revenue: $3.30B (2018)
  • Employee Size: 1000-5000
  • Business Valuation: Mkt Cap: $34.60B as of Jul 26, 2019
  • City/Town: San Francisco
  • State: California
  • Country: United States
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