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Sierra
Enterprise conversational-AI platform that helps businesses build and operate customer-experience agents across channels.
San Francisco, United States
Current stage: Series EFunded in the last 6 months
Current Funding Stage
Series ECurrent recognized equity stage. The rounds below remain the historical funding record.
Funding Rounds
Funding Round: Series E
Funding Date: 4 May, 2026
Funding Round: Funding (stage not disclosed)
Funding Date: 4 Sep, 2025
Funding Round: Funding (stage not disclosed)
Funding Date: 29 Oct, 2024
Funding Round: Funding (stage not disclosed)
Funding Date: 13 Feb, 2024