Home  >  Companies  >  Sierra Sierra Follow Conversational AI tool for enterprises to automate customer service across chat and voice #b2b #customer-support #ai Revenue $400.00M 2026 Valuation $15.80B 2026 Funding $1.58B 2026 Growth Rate (y/y) 400% 2025 View PDF Embed PDF View Model Details Headquarters San Francisco, United States CEO Bret Taylor Website sierra.ai Milestones FOUNDING YEAR 2023 Listed In #b2b #customer-support #ai Sierra Overview Metrics Reports News Filings Reports Research and interviews about Sierra. All Tagged Mentioned Try again