Sierra

Sierra

Private
San Francisco, CaliforniaEnterprise Softwarehttps://www.sierra.ai

Last Round

Series E

5/4/2026

Est. Valuation

$15.8B

Total Funding Raised

$1.6B

Momentum Score

50 /100

Company Overview

Sierra (Business/Productivity Software) is a technology company that offers a conversational AI platform designed to enhance customer interactions by automating conversations and streamlining the efforts of customer experience teams.

Sector

Enterprise Software

Verticals

NLP & Conversational AI, Customer Experience, Workflow Automation, Low-Code/No-Code

Business Model

B2B

Customer Profile

Revenue Share, Subscription SaaS, Services & Consulting, Usage-Based SaaS

AI Layer

Application

Keywords

conversational AI platformAI agentsagentic AIenterprise agentscustomer service AIcustomer service automationautonomous agentsvoice agentsoutcome-based pricingAI agent builderCRM integrationAI developer toolkitno-code AI

Historical Pricing

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Sierra Comps

Public and private peers based on sector, stage, and business model.

CompanyStatusEst. ValuationRev Multiple
OpenAIPrivate$86.0B~40x
CoherePrivate$5.0B--
Competitor 1Public$XX.XBXXx
Competitor 2Public$XX.XBXXx

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Sierra Funding Rounds

Historical fundraising activity

RoundDateAmount RaisedValuationInvestorsSources
Series E5/4/2026
Series D9/4/2025
Series C10/28/2024
Series B2/13/2024
Series A5/15/2023

Secondary Market Activity

Bids, offers, and trades by month

OperationDatePriceSizeShare ClassStructure
BID

Key People

Founding team and executive leadership

Greg Marsh

Co-Founder & CEO

Founding Team

Sierra Investors

Notable investors and investment history

InvestorRounds
Benchmark CapitalSeries D, Series E, Series C, Series B
Greenoaks Capital PartnersSeries E, Series D, Series C
ICONIQ CapitalSeries C
GVSeries E
Founders FundSeries D
Thrive CapitalSeries C, Series B, Series D
ICONIQ CapitalSeries D, Series C

Market signals

Structured signals derived from secondary market and firmographic data.

  • May 4, 2026

    $950M round led by GV and Tiger Global Management.

  • Apr 27, 2026

    Acquired Receptive AI Inc., a voice agent specialist.

Sierra Filings

SEC and related filings with document metadata.

TypedDateAmount OfferedAmount SoldFillingPagesDownload
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Sierra Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about Sierra's valuation, stock price, and market status.

Firmographic Details

HeadquartersSan Francisco, California
Employee Range577
Year Founded2023
Last Funding5/4/2026

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