WRITER has raised a total of $369 million in funding over multiple rounds, achieving unicorn status in November 2024. Its latest Series C round of $200 million, closed on November 6, 2024, was led by Vanguard and Iconiq Capital. Founded in 2012 and headquartered in San Francisco, California, United States, the company provides an AI agent builder platform that enables IT and business teams to collaboratively build, scale, and supervise AI agents. Valued at $1.9 billion, WRITER continues expanding globally in generative AI and enterprise automation solutions.