---
title: "What is the email format at Anthropic?"
description: "Anthropic uses the first@anthropic.com email pattern on anthropic.com."
canonical: "https://derrick-app.com/company/anthropic/email-format"
category: "Company"
updated: "2026-09-29"
---

# What is the email format at Anthropic?

> Anthropic uses the `first@anthropic.com` pattern on `anthropic.com`.

*Canonical: https://derrick-app.com/company/anthropic/email-format* · *Company*

---

A pattern is a convention, not a guarantee: it holds for most mailboxes and fails on
collisions and legacy accounts. Verify before sending.

*Get this data with Derrick → Email Finder: https://derrick-app.com/features/email-finder*

## About Anthropic

- **Name:** Anthropic
- **Website:** https://www.anthropic.com
- **Industry:** AI Research and Frontier Models
- **Founded:** 2021
- **Employees:** 6,110
- **Headquarters:** 500 Howard Street, San Francisco, California 94105, United States
- **Specialties:** Large language models, AI safety research, Interpretability, Agentic coding, Model Context Protocol, Enterprise AI, Reinforcement learning from human feedback, Scaling laws

*Get this data with Derrick → Enrich Companies: https://derrick-app.com/features/enrich-companies*

- [Full Anthropic profile](https://derrick-app.com/company/anthropic)

## About our data

Enriched by Derrick from public sources: the company website, filings, its LinkedIn page and the press. Individual emails and phone numbers are never published here.

- **Data as of:** 2026-09-29
- **Last verified:** 2026-09-29
- **Checks run:** Leadership, News, C-suite
- **Staff figures:** Estimated

## Enriching a list rather than one company

This page covers Anthropic alone. To do the same across a whole list of accounts -
firmographics, decision makers, verified emails and phone numbers - Derrick enriches it
in its web app (nothing to install), in Google Sheets, through an MCP server or a REST API.
Billed per verified match; the free plan includes 100 credits per month.

- Derrick web app: https://app.derrick-app.com
- Derrick: https://derrick-app.com