Sierra

SierraSierra
Sierra

Sierra

Sierra builds AI agents that help leading brands deliver better customer experiences by increasing customer lifetime value and personalizing interactions across multiple channels.

DR 732023Active900San Francisco, United States
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About

Sierra is a conversational AI platform designed for enterprise customer service. It enables companies to deploy branded AI agents that handle real-time queries, automate workflows, and execute actions such as updating CRM records or managing orders. The platform focuses on building AI agents that mirror brand voice, safeguard compliance and privacy, and integrate with enterprise systems for always-on support, aiming to move beyond basic chatbots by leveraging a multi-model architecture, guardrails, and supervision layers to reduce the risk of 'hallucinations' and ensure reliable, high-quality interactions at scale.
Frequently asked

What does Sierra do?

Sierra is a conversational AI platform designed for enterprise customer service. It enables companies to deploy branded AI agents that handle real-time queries, automate workflows, and execute actions such as updating CRM records or managing orders. The platform focuses on building AI agents that mirror brand voice, safeguard compliance and privacy, and integrate with enterprise systems for always-on support, aiming to move beyond basic chatbots by leveraging a multi-model architecture, guardrai…

What is Sierra's revenue?

StartupHub estimates Sierra's annual revenue at $124.5M (range $76.9M to $283.7M, 63% confidence), based on comparable companies in the sector.

What is Sierra's valuation?

StartupHub estimates Sierra's effective valuation at $13.3B (range $9.3B to $17.3B, 37% confidence), based on comparable companies in the sector.

How much funding has Sierra raised?

Sierra has raised a total of $682M in funding.

Where is Sierra headquartered?

Sierra is headquartered in San Francisco, United States.

When was Sierra founded?

Sierra was founded in 2023.

What industry does Sierra operate in?

Sierra operates in Conversational AI, AI Agent, Agentic AI, Customer Service Automation, Contact Center AI, Enterprise Software.

How many employees does Sierra have?

Sierra has approximately 900 people on record.

HEADCOUNT
900
DOMAIN RATING
73
Comments
(5)
0 positive5 mixed0 negative
Reddit
r/techsalesu/YakSea510May 14, 2026Mixed

Anyone at Sierra.ai?. Curious what the culture is like here? Are people selling and make money? Positive customer feedback on the product? Etc etc

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Reddit
r/CustomerSuccessu/RequirementExpress58Mar 6, 2026Mixed

Anyone use Decagon or Sierra AI?. Anyone have experience with CX tools like Sierra AI and Decagon? Reviews all over look great online but I’m curious what people actually think of them. Worth the hype?

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Reddit
r/AskTechnologyu/newmusicbymeMar 4, 2026Mixed

Can anyone share public docs for Sierra AI or Decagon?. I'm exploring AI platforms Sierra and Decagon and for the life of me can't seem to find a single demo of their platforms or even public docs - am I missing something?

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Reddit
r/techsupportu/newmusicbymeMar 4, 2026Mixed

Can anyone share Sierra AI or Decagon docs?. I'm exploring AI platforms Sierra and Decagon and for the life of me can't seem to find a single demo of their platforms or even public docs - am I missing something?

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Reddit
r/AI_Agentsu/SerbianContentFeb 3, 2026Mixed

How much does Sierra AI cost?. Hi all, looking to move from Intercom to something with more firepower. Looking for info on Sierra AI and how much it costs. Intercom is priced per AI resolution and while it's not ideal (bills fluctuate quite…

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