Companies using Claude: 18,364 verified
18,364 companies have verified their domain with Anthropic. The biggest group is IT Services & Consulting (11%), 44% are headquartered in United States, and 8.8% have more than 1,000 employees. Teams that use Claude are 15.1× more likely than the average company to also use Cursor.
- 18,364
- companies verified with Anthropic
- 8.8%
- have 1,000+ employees
- 122
- countries
- 11%
- IT Services & Consulting
Who uses Claude
Every company we found, by sector and business model from our company classifier. A company can sit in more than one sector, so shares add up to more than 100%.
What else Claude users run
How much more likely a Claude user is to also run each tool, compared with the average of the 436,194 companies across our technology pages. 15.1× means Cursor shows up 15.1 times as often among Claude users as among everyone else.
Companies using Claude
A sample of 25 of the 18,364 companies, with the evidence behind each one. Book a call for the other 18,339.
| Company | Industry | Size | HQ | Seen on | Evidence |
|---|---|---|---|---|---|
Deloitte deloitte.com | Management & Strategy Consulting | 10,001+ | United States | Website | DNS: anthropic-domain-verification record |
Forbes forbes.com | Publishing & News | 201–500 | United States | Website | DNS: anthropic-domain-verification record |
Insight Global insightglobal.com | HR, Staffing & Recruiting | 10,001+ | United States | Website | DNS: anthropic-domain-verification record |
GSK gsk.com | Pharmaceuticals | 10,001+ | United Kingdom | Website | DNS: anthropic-domain-verification record |
TP tp.com | Business Support & BPO | 10,001+ | France | Website | DNS: anthropic-domain-verification record |
Bain & Company bain.com | Management & Strategy Consulting | 10,001+ | United States | Website | DNS: anthropic-domain-verification record |
Visa corporate.visa.com | Payments & Fintech | 10,001+ | United States | Website | DNS: anthropic-domain-verification record |
Red Bull redbull.com | Food & Beverage (CPG / manufacturing) | 10,001+ | Austria | Website | DNS: anthropic-domain-verification record |
Interesting Engineering interestingengineering.com | Publishing & News | 51–200 | United States | Website | DNS: anthropic-domain-verification record |
americanas s.a. carreiras.americanas.io | Retail (physical / general) | 10,001+ | Brazil | Website | DNS: anthropic-domain-verification record |
NES Fircroft nesfircroft.com | HR, Staffing & Recruiting | 1,001–5,000 | United Kingdom | Website | DNS: anthropic-domain-verification record |
Einstein Hospital Israelita einstein.br | Hospitals & Health Systems | 10,001+ | Brazil | Website | DNS: anthropic-domain-verification record |
International Committee of the Red Cross - ICRC careers.icrc.org | Nonprofits & NGOs | 10,001+ | Switzerland | Website | DNS: anthropic-domain-verification record |
Prosegur prosegur.com | Facilities & Building Services | 10,001+ | Spain | Website | DNS: anthropic-domain-verification record |
Jindal Steel Ltd. jindalsteel.in | Metals & Fabrication | 10,001+ | India | Website | DNS: anthropic-domain-verification record |
Egis egis-group.com | Civil & Structural Engineering | 10,001+ | France | Website | DNS: anthropic-domain-verification record |
Indra Group indragroup.com | Aerospace & Defense | 10,001+ | Spain | Website | DNS: anthropic-domain-verification record |
American Psychological Association apa.org | Mental & Behavioral Health | 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 | Enterprise Software | 10,001+ | United States | Website | DNS: anthropic-domain-verification record |
ConocoPhillips conocophillips.com | Oil, Gas & Mining | 10,001+ | United States | Website | DNS: anthropic-domain-verification record |
Addison Group addisongroup.com | HR, Staffing & Recruiting | 1,001–5,000 | United States | Website | DNS: anthropic-domain-verification record |
Ad Age adage.com | Publishing & News | 51–200 | United States | Website | DNS: anthropic-domain-verification record |
Volkswagen do Brasil vw.com.br | Automotive & Mobility Manufacturing | 10,001+ | Brazil | Website | DNS: anthropic-domain-verification record |
Marsh corporate.marsh.com | Insurance & Insurtech | 10,001+ | United States | Website | DNS: anthropic-domain-verification record |
Book a 15-minute call. We'll walk you through all 18,364 companies and how we can help you reach the right people at each.
Book a call →who_uses_tech on gtm.dev →Claude usage: common questions
How many companies use Claude?
18,364 companies have verified their domain with Anthropic, as of 5 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?
Well-known companies using it include Deloitte, Forbes, Insight Global, GSK and TP. The table above lists more, with the evidence for each.
What industries use Claude the most?
IT Services & Consulting (1,812 companies), Enterprise Software (1,300) and SaaS / Cloud (1,245) lead, out of 16,187 companies we could classify.
Which countries have the most Claude users?
United States (44%), India (15%) and United Kingdom (6.1%). We see Claude at companies headquartered in 122 countries.
What tools do Claude users also use?
Compared with the average company in our data, Claude users are most over-represented on Cursor (15.1×), Notion (12.3×), OpenAI (8.4×). 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 18,364 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
Book a 15-minute call. We'll walk you through all 18,364 companies, the decision makers at each, and how RocketSDR can reach them for you.