Premier Alternatives

Sierra

Business/Productivity Software · San Francisco, CA · Founded 2023 · Privately Held (backing)

Developer of a conversational artificial intelligence platform intended to empower enterprises with AI agents. Sierra is based in San Francisco, CA and was founded in 2023. It was valued at $10 billion at its later-stage round in Sep 2025, the last priced event on record. It has raised $635 million across 1 recorded round; the latest was a $175 million Series C in Nov 2024.

PMV mark · valuation
$10.0B
Oct 2026
Priced at
its later-stage round
Sep 2025
Total raised
$635.0M
Last round
Later Stage VC (Series C)
Nov 2024

Sierra key facts

as of Oct 2026
  • Developer of a conversational artificial intelligence platform intended to empower enterprises with AI agents.
  • Sierra is valued at approximately $10.0B as of Oct 2026, set at its later-stage round, Sep 2025; nothing has traded since, per PrivateMarketView’s mark.
  • It has raised $635.0M across 1 recorded rounds; the latest was Later Stage VC (Series C) ($175.0M) in Nov 2024.
  • Notable investors include Sequoia Capital, SV Angel, SoftBank Investment Advisers, Thrive Capital, Greenoaks Capital Partners — 12 tracked in total.
  • Status: Privately Held (backing).
PrivateMarketView mark
LOW confidence
$10.0B

Valued at $10.0B at its later-stage round, Sep 2025. Nothing has traded since.

set by its last priced roundas of Oct 2026question about this number?
Free account
More of Sierra with a free account
  • ·The complete investor list: 12 names
  • ·Watch Sierra: the Monday email on marks, rounds and moves
Create free account
No card required

Membership and data by Private Market View

Sierra funding rounds

1 rounds
Nov 2024Later Stage VC (Series C)$175.0M▮
Full funding history →

Sierra valuation

Sierra was valued at $10 billion at its later-stage round in Sep 2025. That is the last priced event on record: no secondary trade or institutional fund mark has moved the figure since.

How much has Sierra raised?

Sierra has raised $635 million in total; 1 of its rounds is on record. The largest on record was a $175 million Series C in Nov 2024.

Sierra investors

12 investors are on record for Sierra, including Sequoia Capital, SV Angel, SoftBank Investment Advisers and Thrive Capital. By type, the record holds 9 venture capital firms, 1 family office and 1 growth equity firm. The Series C in Nov 2024 drew 5 investors.

Comparable companies

Comparable business/productivity software names by valuation on PrivateMarketView: Notion ($11 billion), Anaplan ($10.4 billion) and Gusto ($9.3 billion).

About Sierra

Developer of a conversational artificial intelligence platform intended to empower enterprises with AI agents. The company's platform uses advanced technology to handle customer conversations every month thus saving customer experience teams time and effort, enabling companies to elevate their customer experience with artificial intelligence.

Industry
Business/Productivity Software
Sector
Information Technology
HQ
San Francisco, CA, United States
Founded
2023
Employees
488
Website
sierra.ai/
Ownership
Privately Held (backing)

Is this your company? Sign in with your work email to keep it current, or tell us what's wrong.