Sierra funding
Sierra builds conversational AI agents for customer service. Headquarters: San Francisco, United States. Website: sierra.ai.
Funding rounds
- Sierra raises $950M Growth, . AI apps. Led by Tiger Global, GV. Sierra builds conversational AI agents for customer service.
- Sierra raises $350M, . AI apps. Led by Greenoaks Capital. Builds AI agents that handle customer service for large companies.
- Sierra raises $175M, . AI apps. Led by Greenoaks Capital. Builds AI agents that handle customer service for large companies.
Questions
How much has Sierra raised?
Sierra has raised $1.5B in the 3 rounds Funding tracks, most recently a Growth announced May 4, 2026.
What is Sierra's valuation?
Sierra was valued at $15B in its Growth round (May 4, 2026), as reported at the time.
Who invests in Sierra?
Tiger Global, GV, Greenoaks Capital, ICONIQ, Thrive Capital, Sequoia Capital, Benchmark.