# AI agent startup Sierra nears USD 350 million funding at USD 10 billion valuation, annual revenue near USD 100 million

On 2025/9/3, The Economic Times of India reported that AI customer service agent company Sierra was nearing USD 350 million funding at a USD 10 billion valuation, with ARR approaching USD 100 million. The previous USD 175 million round was led by Greenoaks Capital, with Thrive Capital and Iconiq participating. Bret Taylor and Clay Bavor founded it in 2023 to develop AI chatbots for large enterprises.



Canonical: https://uniquebase.ai/news/de5ec3e8-c9f8-4889-8ce1-b3db138cef6e
Stable identifier: de5ec3e8-c9f8-4889-8ce1-b3db138cef6e
Snapshot captured: 2026-10-15T14:23:27.067Z
English updated: 2026-10-16T00:11:37.224Z

## Connected profiles

- [Greenoaks Capital](/institutions/greenoaks-capital)
- [Sierra](/companies/sierra)

## Sources

- https://economictimes.indiatimes.com/tech/funding/ai-agent-startup-sierra-nears-350-million-round-at-10-billion-valuation/articleshow/123670602.cms?from=mdr