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Technologies / Anthropic / Squarespace

Companies using Anthropic and Squarespace

5 companies in our data have public evidence for both Anthropic and Squarespace, and 4 name both in their own subprocessor list. Each company below links to the source for every claim. Our coverage is partial, so this is not everyone.

5companies use both
under 1%of Anthropic users
26%of Squarespace users
4name both as subprocessors

Companies using one are 2.1 times as likely as the average company in our data to show evidence of the other.

The companies

Strongest evidence first: a company naming both in its own subprocessor list comes before one seen on its website or in job postings.

Subprocessor listPrivacy policyWebsiteJob postings

CompanyAnthropicSquarespace
Eventuallyeventuallyticketing.comEventually is a Squarespace extension for selling event tickets through a customer's own site, with checkout running through Squarespace Commerce and a flat monthly subscription instead of per-ticket fees.
Nerd Lawyer Entrepreneur Servicesnerdlawyer.aiNerd Lawyer provides legal infrastructure services for companies, including formation, patent and trademark counsel, revenue contracting, and investor readiness.LegalConsulting and services
Relay Commercerelaycommerce.ioRelay provides an ecosystem of Shopify apps and expertise for e-commerce, covering popups, email/SMS, package protection, subscriptions, and predictive flows.E-commerce
TRACTtract.ecoTRACT provides a platform and data infrastructure for companies to measure sustainability and track Scope 3 emissions in agricultural supply chains.Compliance and riskData and analytics
Juice Analyticsjuiceanalytics.comJuice builds white-labeled outcome reports and data products that turn a company's data into stories proving ROI to its customers.Data and analytics

The two technologies

Anthropic

AI and LLM providers

Anthropic is a public benefit corporation dedicated to securing the benefits of AI and mitigating its risks. It is used for the responsible development and maintenance of advanced AI for the long-term benefit of humanity.

Summarized from anthropic.com on 8 Nov 2026.

under 1% of the 2,926 companies we see using Anthropic also show the other.

All 2,926 companies using Anthropic2,246 name it as a subprocessorMore in AI and LLM providers

Squarespace

Websites and CMS

Squarespace is a platform that offers websites, website templates, an AI website builder, ecommerce, portfolios, blogs, analytics, online stores, invoicing, scheduling, email campaigns, SMS campaigns, SEO tools, domain search, domain transfer and business email. It is used to create personalized websites and to manage and grow a business online.

Summarized from squarespace.com on 8 Nov 2026.

26% of the 19 companies we see using Squarespace also show the other.

All 19 companies using Squarespace11 name it as a subprocessorMore in Websites and CMS

Other pairs

Companies with their own evidence for both.

More with Anthropic

Cloudflare2,907companiesGoogle Workspace2,134companiesOpenAI1,998companiesAmazon Web Services1,554companiesStripe1,535companiesGoogle1,415companies

More with Squarespace

Cloudflare19companiesGoogle Workspace16companiesAmazon Web Services12companiesGoogle Analytics12companiesGoogle7companiesIntercom7companies

Questions

How many companies use both Anthropic and Squarespace?

5 companies in StrataDB's data have public evidence for both, and 4 of them name both in their own subprocessor list, the strongest evidence we hold. Our coverage is partial, so the real number is higher.

Which companies use Anthropic and Squarespace?

Eventually, Nerd Lawyer Entrepreneur Services, Relay Commerce, TRACT and Juice Analytics. Each one links to the evidence behind it.

How does StrataDB know a company uses Anthropic and Squarespace?

From four kinds of public evidence: subprocessor lists, privacy policies, website code and job postings. Each is kept apart with its source and the date we saw it. A company missing here means we found no evidence, not that it does not use them.

Find every company using Anthropic and Squarespace

See the full list with the source for each company, and run the same lookup for any technology from the API, Claude or your browser.

  • Every company and vendor, with its public source
  • 100 API calls a month, plus MCP and the Chrome extension
  • Work email only. No card, no sales call