# Sierra

**Source:** https://www.startuphub.ai/startups/sierra-2
**Profile type:** Startup

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

## 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.

## Key facts

- **Slug:** sierra-2
- **Website:** https://sierra.ai/
- **Founded:** 2023-01-01 00:00:00
- **Employees:** 277
- **Operating status:** Active
- **Total funding:** $1.6B
- **Sectors / tags:** Agentic AI, Conversational AI, Customer Service, AI Agents, Voice Agent, Voice AI
- **Social:**
  - LinkedIn: https://www.linkedin.com/company/sierra

## 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…

### What is Sierra's revenue?

StartupHub estimates Sierra's annual revenue at $84.4M (range $44.8M to $174.3M, 65% confidence), based on comparable companies in the sector.

### What is Sierra's valuation?

StartupHub estimates Sierra's effective valuation at $15K (range $15K to $2.6B, 55% confidence), based on comparable companies in the sector.

### 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.

## JSON-LD

Structured data aligned with this page's `<script type="application/ld+json">` (included when the profile is server-rendered).

```json
{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "BreadcrumbList",
      "itemListElement": [
        {
          "@type": "ListItem",
          "position": 1,
          "name": "Home",
          "item": "https://www.startuphub.ai"
        },
        {
          "@type": "ListItem",
          "position": 2,
          "name": "Startups",
          "item": "https://www.startuphub.ai/startups"
        },
        {
          "@type": "ListItem",
          "position": 3,
          "name": "Sierra",
          "item": "https://www.startuphub.ai/startups/sierra-2"
        }
      ]
    },
    {
      "@type": "ProfilePage",
      "@id": "https://www.startuphub.ai/startups/sierra-2#webpage",
      "url": "https://www.startuphub.ai/startups/sierra-2",
      "name": "Sierra - AI Startup Profile | StartupHub.ai",
      "description": "This is the official profile of Sierra. Sierra is a startup founded in 2023, operating in Agentic AI and Conversational AI. Sierra helps businesses build better, more human customer experiences with AI agents that can understand, reason, and take action across various channels. The company has approximately 277 employees.",
      "dateModified": "2026-07-20T09:45:33.512+00:00",
      "mainEntity": {
        "@id": "https://www.startuphub.ai/startups/sierra-2#organization"
      }
    },
    {
      "@type": "Organization",
      "@id": "https://www.startuphub.ai/startups/sierra-2#organization",
      "name": "Sierra",
      "url": "https://sierra.ai/",
      "logo": "https://cdn.startuphub.ai/storage/v1/object/public/entity-images/startups/981431.jpg",
      "image": "https://cdn.startuphub.ai/storage/v1/object/public/entity-images/startups/981431.jpg",
      "description": "This is the official profile of Sierra. Sierra is a startup founded in 2023, operating in Agentic AI and Conversational AI. Sierra helps businesses build better, more human customer experiences with AI agents that can understand, reason, and take action across various channels. The company has approximately 277 employees.",
      "sameAs": [
        "https://www.linkedin.com/company/sierra",
        "https://www.startuphub.ai/startups/sierra-2"
      ],
      "foundingDate": "2023-01-01 00:00:00",
      "numberOfEmployees": {
        "@type": "QuantitativeValue",
        "value": 277
      },
      "address": {
        "@type": "PostalAddress",
        "streetAddress": "San Francisco, California, US",
        "addressCountry": "US"
      },
      "knowsAbout": [
        "Agentic AI",
        "Conversational AI",
        "Customer Service",
        "AI Agents",
        "Voice Agent",
        "Voice AI"
      ]
    }
  ]
}
```
