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Anthropic Headquarters & Office Locations

Verified data Artificial Intelligence Companies 2,500 employees 5 offices worldwide

Headquarters: San Francisco, California, United States, San Francisco, California 94115, United States

Data last updated August 2026 · Sourced via GraphIQ

Headquarters
San Francisco, CA
United States
Total offices
5
across 2 countries
Employees
2,500
est. 2026

Anthropic headquarters details

San Francisco, California, United States

San Francisco

California

94115

United States

2021

All Anthropic office locations

5 total
City State / region Country Type
San Francisco HQ California United States Headquarters

About Anthropic

Anthropic (Private) is headquartered in San Francisco, California, United States. Founded in 2021, the company operates across 2 countries with approximately 2,500 employees worldwide.

Where is Anthropic's main office?

Anthropic's main headquarters office is located at San Francisco, California, United States, San Francisco, California 94115. This serves as the company's primary corporate address and is home to its executive leadership team.

Anthropic regional offices

Beyond its headquarters in San Francisco, Anthropic maintains 5 offices across 2 countries. Regional offices span 2 countries.

Anthropic contact information

The main switchboard for Anthropic headquarters can be reached at 415-505-5563. For investor relations, visit anthropic.com/investor-relations.

What does Anthropic do?

Anthropic is an AI safety and research company that’s working to build reliable, interpretable, and steerable AI systems. Large, general systems of today can have significant benefits, but can also be unpredictable, unreliable, and opaque: our goal is to make progress on these issues. For now, we’re primarily focused on research towards these goals; down the road, we foresee many opportunities for our work to create value commercially and for public benefit.

Frequently asked questions

Where is Anthropic headquarters?

Anthropic's headquarters is located at San Francisco, California, United States, San Francisco, California 94115, United States.

How many offices does Anthropic have?

Anthropic operates 5 offices across 2 countries as of 2026.

What is Anthropic's corporate address?

The official corporate address is San Francisco, California, United States, San Francisco, California 94115.

When was Anthropic founded?

Anthropic was founded in 2021 and has grown to employ approximately 2,500 people worldwide.

What is Anthropic's phone number?

The main phone number for Anthropic headquarters is 415-505-5563.

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