runsonwhat

Companies that use Anthropic

55,397 companies use Anthropic, as of October 2026.

Anthropic: Claude models and Claude for Work. We've found 55,397 companies using Anthropic, most often in Software (15%) and Financial Services (13%), typically with 51–200 employees and 39% based in United States.

Customers55,397companies use it
Most popular withFamily Office12× more likely than average
New customers+1started in the last 30 days
  1. Seen Oct 2026
  2. Seen Oct 2026
  3. Seen Oct 2026
  4. Seen Oct 2026
  5. Branchbranch.ioUnited States
    Seen Oct 2026
  6. Atlassian Corporationatlassian.comSoftware · United States
    10,000+ employeesSeen Oct 2026
  7. Mixpanelmixpanel.comAnalytics · United States
    201–1,000 employeesSeen Oct 2026
  8. Cleverclever.comEducation · United States
    201–1,000 employeesSeen Oct 2026
  9. Twiliotwilio.comSoftware · United States
    Seen Oct 2026
  10. RevenueCatrevenuecat.comEngineering, Product and Design · United States
    51–200 employeesSeen Oct 2026
  11. Sendbirdsendbird.comEngineering, Product and Design · United States
    201–1,000 employeesSeen Oct 2026
  12. Seen Oct 2026
  13. Databricksdatabricks.comSoftware · United States
    1,001–5,000 employeesSeen Oct 2026
  14. Egnyteegnyte.comTechnology · United States
    Seen Oct 2026
  15. Seen Oct 2026
  16. Mattermostmattermost.comProductivity · United States
    51–200 employeesSeen Oct 2026
  17. Expoexpo.devInfrastructure · United States
    11–50 employeesSeen Oct 2026
  18. Algoliaalgolia.comEngineering, Product and Design · United States
    201–1,000 employeesSeen Oct 2026
  19. BigIDbigid.comSoftware · Israel
    Seen Oct 2026
  20. Clearly AIclearly-ai.comSecurity · United States
    11–50 employeesSeen Oct 2026

Showing 40 of 55,412

Anthropic customers also use

How much more likely Anthropic customers are to use each tool than the average company.

What kind of companies use Anthropic

Segments where Anthropic customers are more common than among all the companies we track.

  • Family Office0% of customers12×more likely
  • Fintech2% of customers3.1×more likely
  • Computer Security1% of customers3.0×more likely
  • 10,000+ employees10% of customers2.3×more likely
  • 5,001–10,000 employees4% of customers2.2×more likely
  • 1,001–5,000 employees12% of customers1.8×more likely
  • Software6% of customers1.7×more likely
  • 201–1,000 employees21% of customers1.6×more likely

Industry

  1. Software15%
  2. Financial Services13%
  3. Retail9%
  4. IT Services8%
  5. Telecommunications4%
  6. Fintech4%
  7. Insurance4%
  8. Video Games3%

Company size

  1. 1–10 employees8%
  2. 11–50 employees22%
  3. 51–200 employees23%
  4. 201–1,000 employees21%
  5. 1,001–5,000 employees12%
  6. 5,001–10,000 employees4%
  7. 10,000+ employees10%

Country

  1. United States39%
  2. Germany8%
  3. United Kingdom7%
  4. Japan6%
  5. Australia4%
  6. Canada4%
  7. Brazil3%
  8. France3%

Breakdowns cover the 18,964 customers with company details so far.

Alternatives to Anthropic

Other tools in the same category, by how many companies use them.

Anthropic FAQ

How many companies use Anthropic?

We've found 55,397 companies using Anthropic among the 479,890 we've scanned so far. We only count a company when a direct public record backs it up.

What kind of companies use Anthropic?

Anthropic customers are most often in Software (15%), Financial Services (13%) and Retail (9%). The most common company size is 51–200 employees (23% of customers with a known size).

Which countries use Anthropic the most?

Most Anthropic customers we've found are in United States (39%), Germany (8%) and United Kingdom (7%).

What are the alternatives to Anthropic?

The most used alternatives in the same category are OpenAI (29,785 companies), Perplexity (1,242 companies), TollBit (932 companies) and Mistral AI (695 companies).

How does runsonwhat know a company uses Anthropic?

We read public traces only. For Anthropic that means a domain-verification record in the company's DNS and the company's published subprocessor list. Every match keeps the record it came from.