Companies using Claude: 18,365 verified
18,365 companies have verified their domain with Anthropic. The biggest group is Software Development (9.2%), 44% are headquartered in United States, and 8.8% have more than 1,000 employees. Teams that use Claude are 9.8× more likely than the average company to also use Cursor.
- 18,365
- companies verified with Anthropic
- 8.8%
- have 1,000+ employees
- 124
- countries
- 9.2%
- Software Development
Who uses Claude
Every company we found, grouped by industry. 36 companies without a listed industry are left out of this chart.
- Software Development 1,689 · 9.2%
- IT Services and IT Consulting 1,643 · 9%
- Financial Services 866 · 4.7%
- Technology, Information and Internet 834 · 4.6%
- Advertising Services 505 · 2.8%
- Business Consulting and Services 488 · 2.7%
- Everything else 12,304 · 67%
Each square is 16 companies.
What else Claude users run
How much more likely a Claude user is to also run each tool, compared with the average of the 281,225 companies across our technology pages. 9.8× means Cursor shows up 9.8 times as often among Claude users as among everyone else.
Claude users, largest first
The 25 companies with the biggest LinkedIn following, with the evidence behind each one. The other 18,340 are a free account away.
| Company | Industry | Size | HQ | Seen on | Evidence |
|---|---|---|---|---|---|
Deloitte deloitte.com | Business Consulting and Services | 10,001+ | United States | Website | DNS: anthropic-domain-verification record |
Forbes forbes.com | Book and Periodical Publishing | 201–500 | United States | Website | DNS: anthropic-domain-verification record |
Insight Global insightglobal.com | Business Consulting and Services | 10,001+ | United States | Website | DNS: anthropic-domain-verification record |
GSK gsk.com | Pharmaceutical Manufacturing | 10,001+ | United Kingdom | Website | DNS: anthropic-domain-verification record |
TP tp.com | Outsourcing and Offshoring Consulting | 10,001+ | France | Website | DNS: anthropic-domain-verification record |
Bain & Company bain.com | Business Consulting and Services | 10,001+ | United States | Website | DNS: anthropic-domain-verification record |
Visa corporate.visa.com | IT Services and IT Consulting | 10,001+ | United States | Website | DNS: anthropic-domain-verification record |
Red Bull redbull.com | Food and Beverage Services | 10,001+ | Austria | Website | DNS: anthropic-domain-verification record |
Interesting Engineering interestingengineering.com | Internet Publishing | 51–200 | United States | Website | DNS: anthropic-domain-verification record |
americanas s.a. carreiras.americanas.io | Retail | 10,001+ | Brazil | Website | DNS: anthropic-domain-verification record |
NES Fircroft nesfircroft.com | Staffing and Recruiting | 1,001–5,000 | United Kingdom | Website | DNS: anthropic-domain-verification record |
Einstein Hospital Israelita einstein.br | Hospitals and Health Care | 10,001+ | Brazil | Website | DNS: anthropic-domain-verification record |
International Committee of the Red Cross - ICRC careers.icrc.org | Non-profit Organizations | 10,001+ | Switzerland | Website | DNS: anthropic-domain-verification record |
Prosegur prosegur.com | Security and Investigations | 10,001+ | Spain | Website | DNS: anthropic-domain-verification record |
Jindal Steel Ltd. jindalsteel.in | Mining | 10,001+ | India | Website | DNS: anthropic-domain-verification record |
Egis egis-group.com | Civil Engineering | 10,001+ | France | Website | DNS: anthropic-domain-verification record |
Indra Group indragroup.com | Defense and Space Manufacturing | 10,001+ | Spain | Website | DNS: anthropic-domain-verification record |
American Psychological Association apa.org | Non-profit Organizations | 501–1,000 | United States | Website | DNS: anthropic-domain-verification record |
Atain atain.com | IT Services and IT Consulting | 10,001+ | — | Website | DNS: anthropic-domain-verification record |
Amdocs amdocs.com | Software Development | 10,001+ | United States | Website | DNS: anthropic-domain-verification record |
ConocoPhillips conocophillips.com | Oil and Gas | 10,001+ | United States | Website | DNS: anthropic-domain-verification record |
Addison Group addisongroup.com | Staffing and Recruiting | 1,001–5,000 | United States | Website | DNS: anthropic-domain-verification record |
Ad Age adage.com | Book and Periodical Publishing | 51–200 | United States | Website | DNS: anthropic-domain-verification record |
Volkswagen do Brasil vw.com.br | Motor Vehicle Manufacturing | 10,001+ | Brazil | Website | DNS: anthropic-domain-verification record |
Marsh corporate.marsh.com | Professional Services | 10,001+ | United States | Website | DNS: anthropic-domain-verification record |
Filter by industry, size and country, find the decision makers, and turn the list into a campaign in RocketSDR. Free to start.
See all 18,365 companies →who_uses_tech on gtm.dev →Claude usage: common questions
How many companies use Claude?
18,365 companies have verified their domain with Anthropic, as of 3 November 2026. This counts companies we can tie to a LinkedIn company page, so it is a floor, not a market total.
Which well-known companies use Claude?
By LinkedIn following, the largest include Deloitte, Forbes, Insight Global, GSK and TP. The table above lists more, with the evidence for each.
What industries use Claude the most?
Software Development (1,689 companies), IT Services and IT Consulting (1,643) and Financial Services (866) lead, out of 18,329 companies with a known industry.
Which countries have the most Claude users?
United States (44%), India (15%) and United Kingdom (6.1%). We see Claude at companies headquartered in 124 countries.
What tools do Claude users also use?
Compared with the average company in our data, Claude users are most over-represented on Cursor (9.8×), Notion (7.9×), OpenAI (5.4×). The multiplier is how much more likely they are than average to run that tool too.
How do you know a company uses Claude?
Anthropic asks companies to publish a DNS TXT record ("anthropic-domain-verification=…") to prove they own their domain — an admin step taken when setting up a company workspace or account. We read public DNS records for company domains and count the ones carrying that record. A company is only counted when we can tie the domain or app to its LinkedIn company page, and shared domains (link shorteners, site builders) are excluded, so a domain scan of bit.ly never counts as evidence about a brand that links to it.
Can I export the full list of Claude users?
Yes. Create a free RocketSDR account to filter all 18,365 companies by industry, size and country, find the right contacts, and start outreach. Developers can query the same data through the gtm.dev who_uses_tech API.
Turn Claude users into pipeline
Filter all 18,365 companies by industry, size and country, find the decision makers, and let RocketSDR write and send the first touch.