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Sierra

Sierra

Sierra helps businesses build better, more human customer experiences with AI agents that can understand, reason, and take action across various channels.

2023Active277

About

Sierra is an AI platform that enables businesses to create and deploy autonomous AI agents for customer experience. Their Agent OS allows companies to imbue agents with brand identity, policies, and knowledge, setting goals and guardrails for accurate problem-solving. These agents go beyond answering questions, taking real-time actions within CRM or order management systems. Sierra emphasizes trust, security, and compliance, with features like supervision, secure integration, auditing, and data governance, ensuring privacy and deterministic interactions. They serve leading consumer brands across diverse industries, transforming customer support with empathetic, scalable, and efficient AI.

Technology stack

detected 2026-06-21
Est. monthly stack spend~$2,080/mo
CDN
Cloudflare
EmailGoogle Workspace
Hosting
Vercel
Stack
Next.jsTailwind CSSGhost
Support
HubSpot
Compliance
SOC 2HIPAAISO 27001PCI DSSGDPRFedRAMP
AI support
Sierra
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Frequently asked

What does Sierra do?

Sierra is an AI platform that enables businesses to create and deploy autonomous AI agents for customer experience. Their Agent OS allows companies to imbue agents with brand identity, policies, and knowledge, setting goals and guardrails for accurate problem-solving. These agents go beyond answering questions, taking real-time actions within CRM or order management systems. Sierra emphasizes trust, security, and compliance, with features like supervision, secure integration, auditing, and data…

How much funding has Sierra raised?

Sierra has raised a total of $1.6B in funding. The most recent round on record is Growth.

When was Sierra founded?

Sierra was founded in 2023.

What industry does Sierra operate in?

Sierra operates in Agentic AI, Conversational AI, Customer Service, AI Agents, Voice Agent, Voice AI.

How many employees does Sierra have?

Sierra has approximately 277 people on record.