Companies Using Square

Our live crawl finds Square's online payment code on 19,076 domains, resolving to 9,613 identifiable merchants. Named users include Shiseido, BMW's US merchandise store, Orkin and the Emory University bookstore. The base is small retail: 79.38% have ten or fewer employees and retail is the largest industry at 21.16%.

We detect 19,076 domains running Square across our monthly crawl of live business domains. Company data could be matched for 9,613 of them (50.4%), and every company-size, industry and country breakdown on this page describes that matched subset rather than the full detected base. A further 1,859 domains carried a Square detection previously and no longer do.

Square holds 0.23% of the Payment Processing category, ranking #13. This is a share of the domains we detect running a platform in this category — not a share of all websites, and not a share of spending — so it is not directly comparable to figures published on other denominators.

Within our Payment Processing category the largest are PayPal (1,575,738 domains), Apple Pay (1,273,419) and Shop Pay (1,203,619). For online-only comparison Stripe is the closer substitute, while for combined point-of-sale and ecommerce the alternatives are Shopify POS and Clover rather than any web-visible payment button.

The United States leads at 50.62% of matched merchants (4,694), with Australia an unusually strong second at 28.75% (2,666), then Canada at 6.61%, the United Kingdom at 6.51% and New Zealand at 5.77%. The Australasian share is far above what other US payment platforms show and follows Block's acquisition of Afterpay.

Merchants with 1 to 10 employees are 79.38% of matched companies and 11 to 50 a further 15.84%, so 95.22% have fewer than 50 staff. Only 0.33% employ more than 1,000 people. Square is priced and built for small sellers, and the distribution reflects that more cleanly than almost any platform we track.

Merchants founded in the 2010s are 48.20% of matched companies and those founded in the 2020s a further 23.22%, so 71.42% were founded since 2010. A further 14.51% date from the 2000s. This is a young small-business base consistent with a platform that made card acceptance accessible without a traditional merchant account.

Based on our matched merchant data, the typical Square online deployment belongs to a US or Australian company with fewer than ten employees, founded since 2010, in retail, apparel, wellness or food service. The defining trait is a business that sells in person first and added an online checkout, rather than a pure ecommerce operation.

We detect Square's online checkout on 19,076 domains as of our August 2026 crawl, of which 9,613 match to a named company. This counts web deployments only. Most of Square's merchant base sells through point-of-sale hardware and card readers, which leaves no web signature, so the company's real customer count is far higher.

Retail leads at 21.16% of matched merchants, followed by Retail Apparel and Fashion at 8.70%, Wellness and Fitness Services at 3.63%, Food and Beverage Services at 3.57% and Individual and Family Services at 3.52%. The mix is dominated by counter-service and appointment-based businesses that also sell online.

We match Square's own payment library: the SqPaymentForm and Square.Analytics JavaScript objects, a Square application identifier in the page bootstrap state, script requests to js.squareup.com and squarecdn.com, and XHR calls to squareup.com. All require the checkout to be actively loading Square code on a page we crawled.

Because this measurement only sees the web. Square holds 0.23% of our Payment Processing category, but that counts online checkouts loading its library. Square's business centres on physical point-of-sale, card readers and in-person retail, none of which a crawler can detect, so the share understates the company rather than describing its market position.

Cloudflare fronts 91.29% of these domains, Google Analytics appears on 58.18% and Google Tag Manager on 55.70%. Facebook Pixel on 52.85% marks them as paid-acquisition merchants. Notably, Shop Pay appears on 55.25%, so more than half of Square's online merchants also sell through Shopify.

Our figures cannot answer that. The series reads 5,631 domains in June 2026, 5,881 in July and 19,076 in August, but the August jump is our detection coverage widening rather than adoption: over 7,000 domains recorded a first detection on 4 and 5 August alone. Treat 19,076 as the accurate current count and disregard the slope.