Square Inc.（SQ.US）总部位于美国加州旧金山，于全球开发及提供销售点系统（POS）软件。 服务对象包含面包店至零售商的大型及小型企业，其产品注册方可于App Store以及Google Play购买，其设计可用于智慧型手机或平板，以及柜台。

[stockdio-historical-chart symbol=”SQ” stockExchange=”NYSENasdaq” width=”680″ height=”380″ motif=”financial” palette=”financial-light”]

Square, Inc.于2009年6月在美国特拉华州成立。他们目前的支付和销售点终端（POS）服务产生的收入的94％左右，他们已经扩大了他们的产品和服务，包括金融服务和市场营销服务，所有的一切，以帮助卖家开始，运行并发展他们的业务。数以百万计的卖家接受付款。他们跨越所有类型的企业：从出租车到咖啡店，律师的庭园，零售店，餐馆。虽然他们的收入基本上都是在美国产生的，他们也为加拿大和日本的卖家服务。

Square, Inc. is an American financial services, merchant services aggregator, and mobile payment company based in San Francisco, California. The company markets software and hardware payments products and has expanded into small business services. The company was founded in 2009 by Jack Dorsey and Jim McKelvey and launched its first app and service in 2010. It has been traded as a public company on the New York Stock Exchange since November 2015 with the ticker symbol SQ.

Square Reader

In 2010, the Square device communicated with the Square app through the phone’s audio jack.

The Square Reader was the firm’s first product. It accepts credit card payments by connecting to a mobile device’s audio jack. The original version consisted of a simple read head directly wired to a 3.5 mm audio jack, through which unencrypted, analog card information was fed to smartphones for amplification and digitization.

In April 2011, rival payment company Verifone claimed that the Square system at the time was insecure and that a reasonably skilled programmer could write a replacement app which could use the Square device to skim a credit card and return its details, because of the lack of encryption. VeriFone posted a demonstration video and sample skimming app to its web site.[12] Dorsey called VeriFone’s claims “neither fair nor accurate”, noting that all card data can also be compromised by visually examining the card and that even if there were a compromise, card issuers offered fraud protection.

Square now uses strong encryption on its devices, and neither card numbers, nor magnetic stripe data, nor security codes are stored on Square client devices. The current technology is Payment Card Industry Data Security Standard (PCI) compliant and Verisign certified.

In July 2014, ahead of the October 2015 EMV liability shift, the firm announced a card reader that would accept chip cards and contactless cards to supplement the standard Reader’s support of traditional magnetic stripe card transactions.[15] In June 2015, Apple announced Square would release a new Reader capable of also accepting Apple Pay and other contactless payments.[16] In August 2018, Square released a version of its magstripe reader with a Lightning connector, allowing it to be used on iPhones without a headphone jack.
Other devices
Square Stand at a coffee shop turned around for the customer to choose a tipping option

In June 2013, the firm unveiled Square Stand, which turns the Apple iPad into a more complete point-of-sale system.[18] In 2015, Square launched a bluetooth-connected reader that works for Android and iOS devices to accept chip and contactless payments through their platform.[19] In October 2017, a standalone point-of-sale system, Square Register, was announced for small to medium-sized businesses.[20] It consists of a merchant tablet and a customer tablet, with a built-in swipe, chip, and tap reader.[21] In October 2018, the company introduced a self-contained Terminal product that features a display, prints receipts, and accepts chip, swipe, and contactless payments.
Services

In December 2012, Square began allowing merchants to issue virtual gift cards; a QR code is scanned from the customer’s smartphone to use the funds.[23] Physical gift cards were added in the service in 2014.

In 2014, Square launched Square Capital, which offers business financing to merchants using Square.

In 2014, an online booking tool was added to the firm’s offerings, allowing small businesses to accept appointments on their website.[26] The service only accepts scheduled appointments based on a service provider’s availability, and does not accept restaurant reservations.[27]

In 2015, the firm launched Square Payroll, a tool for small business owners to process payroll for their employees. The product, available in all 50 states + DC, automatically handles a business’s withholdings, payroll payments, and tax filings.[28]

In 2018, Square began allowing merchants to develop custom interfaces for the platform, via an application programming interface.[29]

After receiving approval in 2020 from the FDIC and the Utah Department of Financial Institutions, the company announced plans to launch small business-focused Square Financial Services in 2021, based in Salt Lake City.
Cash App
Main article: Cash App

Cash App (formerly Square Cash) allows person-to-person money transfer via the app or website. In March 2015, the firm introduced Square Cash for businesses, which includes the ability for individuals, organizations, and business owners to use a unique username, known as a $cashtag, to send and receive money.[31] In January 2018, the app expanded to support bitcoin trading.[32] The company issues a debit card to be used with the account.[33] Cash App is currently testing new features to allow users to borrow up to $200.[34]

Caviar restaurant delivery service

On August 4, 2014, Square announced the acquisition of Caviar, a startup that delivers meals from high-end restaurants.[35] Caviar uses a fleet of couriers to provide delivery for popular restaurants who do not otherwise deliver.[36] Caviar is currently available in 18 markets in the U.S.[37] Users can order via the company’s iOS or Android app,[38] or on Caviar’s website.[39] In 2016, a class action lawsuit was filed against Square, claiming the company falsely represented that the 18% gratuity charge on each order would be given to the drivers while the drivers did not receive any part of it. In 2018, Square agreed on giving $2.2 million to settle the lawsuit while denying the claims against them.[40]

Caviar eventually replaced Square Order, an app which allowed users to make purchases in advance and pick them up at a predetermined time. In March 2015, Square announced that it was shutting down Square Order .[41] In 2018, Caviar took a step into corporate catering by acquiring Zesty, a San Francisco-based catering platform.[42]

In 2018, the firm launched a subscription service for restaurants. In addition to processing payments, the system can track table locations, tip splitting, and menus.[43] The system directly integrates with the Square-owned online food-ordering service Caviar, with plans to include other similar services in the future.[44]

On August 1, 2019, it was announced that DoorDash would acquire the food delivery app Caviar from Square.[45]