Sierra
Valuation
$15.8B
2026 Revenue
$200M
Funding
$1.6B
YOY
100%
Team · 2025
165
Founded
2023
How Sierra CEO Bret Taylor grew to $200M revenue with a 165 person team in 2026.
Sierra is the conversational AI platform for businesses. We help companies elevate their customer experience with AI.
Last updated
Sierra Revenue
In 2026, Sierra's revenue reached $200M. The company previously reported $100M in 2025. Since its launch in 2023, Sierra has shown consistent revenue growth.
Sierra Valuation, Funding Rounds
Sierra reached a $15.8B valuation in 2026, set during its Series E round.
Sierra has raised $1.6B in total funding across 4 rounds, most recently a $950M Series E round in 2026.
| Year | Round | Amount | Valuation | % Sold | Source |
|---|---|---|---|---|---|
| 2026 | Series E | $950M | $15.8B | 6% | techcrunch.com |
| 2025 | Series C | $350M | $10B | 4% | axios.com |
| 2024 | Series B | $175M | $4.5B | 4% | scmp.com |
| 2024 | Seed | $110M | $1B | 11% | scmp.com |
Founder / CEO
Q&A
| Question | Answer |
|---|---|
| What's your age? | - |
| Favorite online tool? | - |
| Favorite book? | - |
| Favorite CEO? | - |
| Advice for 20 year old self | - |
Customers
We do not have customer count information for Sierra yet.
Sierra Employees & Team Size
Sierra employs approximately 165 people as of 2026, up from 123 in 2024.
| Year | Milestone | Source |
|---|---|---|
| 2025 | Reached 165 employees (January 2025) | |
| 2024 | Reached 123 employees (September 2024) |
Frequently Asked Questions about Sierra
What is Sierra's revenue?
Sierra generates $200M in revenue.
Who founded Sierra?
Sierra was founded by Bret Taylor.
Who is the CEO of Sierra?
The CEO of Sierra is Bret Taylor.
How much funding does Sierra have?
Sierra raised $1.6B across 4 rounds.
How many employees does Sierra have?
Sierra has 165 employees.
Where is Sierra headquarters?
Sierra is headquartered in San Francisco, California, United States.
Compare Sierra to the industry
Sierra operates across multiple industries. Browse revenue, funding, and growth data for Sierra in each sector below.
Full Interview Transcripts
X postMay 30, 2026
Sierra just hit $200M in ARR. It took seven quarters to get to $100M, and only two more quarters to add our next $100M. Proud of the team and very grateful to our customers and partners.
Read More About Sierra
Data and Sources
All figures on this page are taken directly from interviews or are estimates from public sources and proprietary models. Not financial advice. Read full disclaimer.
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