# Sierra

Enterprise conversational AI customer service platform.

Enterprise conversational AI platform enabling brands to deploy highly reliable customer service agents.

Canonical: https://uniquebase.ai/companies/sierra
Stable identifier: UB-C1914
Snapshot captured: 2026-10-15T14:23:27.067Z
English updated: 2026-10-15T20:16:01.093Z

## Funding

Listed 4 records.
Latest: $950M, 2026-05-05.

- 2026-05-05 · $950M · Google Ventures, Tiger Global · https://sierra.ai/blog/better-customer-experiences-built-on-sierra
- 2025-09-03 · $350M · Greenoaks Capital · https://economictimes.indiatimes.com/tech/funding/ai-agent-startup-sierra-nears-350-million-round-at-10-billion-valuation/articleshow/123670602.cms?from=mdr
- 2024-10-29 · $175M · B轮 · Greenoaks Capital, ICONIQ Growth, Thrive Capital · https://www.reuters.com/technology/artificial-intelligence/openai-chairs-ai-startup-sierra-gets-45-bln-valuation-latest-funding-round-2024-10-28/
- 2024-01-26 · 8500万美元 · A轮 · Sequoia Capital

## Valuation

Listed 4 records.
Latest: $15B, 2026-05-05.

- 2026-05-05 · $15B · Google Ventures, Tiger Global · https://sierra.ai/blog/better-customer-experiences-built-on-sierra
- 2025-09-03 · $10B · Greenoaks Capital · https://economictimes.indiatimes.com/tech/funding/ai-agent-startup-sierra-nears-350-million-round-at-10-billion-valuation/articleshow/123670602.cms?from=mdr
- 2024-10-29 · $4.5B · B轮 · Greenoaks Capital, ICONIQ Growth, Thrive Capital · https://www.reuters.com/technology/artificial-intelligence/openai-chairs-ai-startup-sierra-gets-45-bln-valuation-latest-funding-round-2024-10-28/
- 2024-01-26 · amount unavailable · A轮 · Sequoia Capital

## Revenue

Listed 8 records.
Latest: $200M, 2026-06-01.

- 2026-06-01 · $200M · https://x.com/btaylor/status/2060467232917111229
- 2026-05-05 · $150M · Google Ventures, Tiger Global · https://sierra.ai/blog/better-customer-experiences-built-on-sierra
- 2026-02-09 · $150M · https://sierra.ai/blog/year-two-in-review
- 2025-11-22 · $100M · https://sierra.ai/blog/100m-arr
- 2025-11-21 · $100M · https://www.axios.com/2025/09/03/sierra-ai-agents-funding-350-million
- 2025-09-03 · $100M · Greenoaks Capital · https://economictimes.indiatimes.com/tech/funding/ai-agent-startup-sierra-nears-350-million-round-at-10-billion-valuation/articleshow/123670602.cms?from=mdr
- 2024-12-28 · $25M · https://www.arr.club/sierra/sierra-reaches-25m-arr
- 2024-10-29 · $20M · B轮 · Greenoaks Capital, ICONIQ Growth, Thrive Capital · https://www.reuters.com/technology/artificial-intelligence/openai-chairs-ai-startup-sierra-gets-45-bln-valuation-latest-funding-round-2024-10-28/

## Team

- [Bret Taylor](/people/bret-taylor)

## Products

- [Sierra](/products/sierra)

## Investors

- [Google Ventures](/institutions/google-ventures)
- [Greenoaks Capital](/institutions/greenoaks-capital)
- [ICONIQ Growth](/institutions/iconiq-growth)
- [Sequoia Capital](/institutions/sequoia-capital)
- [Thrive Capital](/institutions/thrive-capital)
- [Tiger Global](/institutions/tiger-global)

## Sources

- No source links are available for this profile.