Sierra
Research Team Data
Published
Customer service AI agents
Company profile
Overview
Platform for building enterprise-grade customer service AI agents.
Enterprise platform focused on reliable AI-powered customer service interactions and integrations.
At a glance
Key facts
- HQ location
- San Francisco, CA, USA
- Founded
- 2023
- Employee range
- 201-500~488
- Company type
- Private
- Last updated
- Pricing model
- SubscriptionEnterprise SaaS pricing
Business context
Financials
- Revenue estimate
- $150M ARR (Feb 2026)
- Valuation estimate
- $15B+ (May 2026)
- Investments
- $1.58B total (Series: $75M 2023; $175M late 2024; $350M Sep 2025; $950M May 2026 led by Tiger Global/GV)
Market context
Relationships
- Target customers
- Large enterprises and consumer brands
- Key competitors
- Ada, Intercom, Zendesk, Forethought
- Known customers
- Unknown
Source context
Classification (raw research text)
- Core focus
- AI customer support automation
- Core industry
- Customer support
- Core category
- Customer service AI agents
Shown verbatim from the research spreadsheet — deriving structured industry tags from this text is a future phase.
Market taxonomy
Segments, Industries & Certifications
Segments
AI WorkflowsAI AgentsAI Developer ToolsKnowledge & RAGAI Quality & ObservabilityAI Governance & RiskCall AnalysisChatbotsVoice AI AgentsSTT/TTS InfrastructureAnalytics & BI
Industries
Customer Support / CX