OCT 28, 2025 · FUNDING
Sierra raises $350M at a $10B valuation
Sierra
Customer & Sales · Sierra · Enterprise
Bret Taylor's CX agent platform becomes one of the most valuable enterprise agent companies.
Signal context
SIERRA.AISierra · Chronicle
2OCT 28, 2025
FundingSierra raises $350M at a $10B valuation
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Field notes
FAQWhat did Sierra announce on OCT 28, 2025?
Bret Taylor's CX agent platform becomes one of the most valuable enterprise agent companies.
What is Sierra?
Founded by Bret Taylor and Clay Bavor, Sierra builds branded customer-service agents that resolve issues end to end for enterprises like SiriusXM and ADT.
Where is the official source for this announcement?
It was published by Sierra on OCT 28, 2025 via sierra.ai, the company's official channel. AgentMaps cites the primary source for every charted signal.