5,546 companies use Squarespace, as of October 2026.
Squarespace: Website builder. We've found 5,546 companies using Squarespace, most often in Healthcare (12%) and IT Services (10%), typically with 51–200 employees and 63% based in United States.
Customers5,546companies use it
Most popular withTherapeutics12× more likely than average
We've found 5,546 companies using Squarespace among the 179,001 we've scanned so far. We only count a company when a direct public record backs it up.
What kind of companies use Squarespace?
Squarespace customers are most often in Healthcare (12%), IT Services (10%) and Real Estate (8%). The most common company size is 51–200 employees (55% of customers with a known size).
Which countries use Squarespace the most?
Most Squarespace customers we've found are in United States (63%), United Kingdom (9%) and Canada (5%).
What are the alternatives to Squarespace?
The most used alternatives in the same category are WordPress (42,468 companies), Yoast SEO (20,110 companies), HubSpot CMS (12,810 companies) and Shopify (12,241 companies).
How does runsonwhat know a company uses Squarespace?
We read public traces only. For Squarespace that means a subdomain that points at Squarespace, code loaded on the company's website, including tag managers, the website's response headers and the company's published subprocessor list. Every match keeps the record it came from.