Sierra Raises $950 million Series E
Sierra raised $950M in Series E financing led by Tiger, with participation from Tiger, GV, **Benchmark**, **Sequoia**, **Greenoaks**, other, Benchmark, Sequoia, Greenoaks. Sierra is a Enterprise SaaS company.
Series E$950 millionTotal tracked $1 billionUndisclosed HQ
What it does
Sierra is a Enterprise SaaS company. The business sits in Enterprise Software & SaaS, where funded companies are using fresh capital to deepen product coverage, distribution, or operating capacity.
Traction
$950M. Source coverage says: Sierra raises $950M at $15.8B valuation, led by Tiger and GV.
Trend impact
MD-grade thesis held: available source material is not specific enough to support a non-generic investor-economist read without overclaiming.
Funding history
- May 4, 2026 · Series E · $950 million · Tiger
- May 4, 2026 · Growth · $350 million · Benchmark, Iconiq Capital
Products & services
- An AI-powered conversational agent that supports customers in real-time capability
- A voice-enabled AI agent that conducts natural, real-time phone capability
- Access a complete feed of recent news and press, from product launches capability
- The Sierra founders met at Google, where Taylor was largely credited capability
- Google Maps and Bavor led virtual reality efforts and Google Labs. capability