# Retell AI

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

> Voice AI agent platform handling more calls per second than the US 911 system, $60M ARR with a 35-person team.

## About

Retell AI offers an AI voice agent platform for automating phone calls at scale. Their product enables businesses to build, deploy, and monitor AI voice agents for use cases such as customer support, lead qualification, and appointment booking across various industries. Retell AI serves large support and sales teams looking to enhance call operations without compromising quality.

## Key facts

- **Slug:** retell-ai
- **Website:** https://retellai.com
- **Location:** San Francisco, United States
- **Founded:** 2023-01-01 00:00:00
- **Employees:** 35
- **Operating status:** Active
- **Total funding:** $14M
- **Sectors / tags:** Agentic AI, AI Agents, AI Voice Synthesis, AI Voice Cloning, API Platform, Workflow Automation, Customer Service, Call Center Software, Generative AI, Large Language Model, Voice Agent, Voice AI
- **Social:**
  - LinkedIn: https://www.linkedin.com/company/retellai
  - Twitter: https://x.com/retellai

## Frequently asked

### What does Retell AI do?

Retell AI offers an AI voice agent platform for automating phone calls at scale. Their product enables businesses to build, deploy, and monitor AI voice agents for use cases such as customer support, lead qualification, and appointment booking across various industries. Retell AI serves large support and sales teams looking to enhance call operations without compromising quality.

### How much funding has Retell AI raised?

Retell AI has raised a total of $14M in funding. The most recent round on record is Seed.

### Where is Retell AI headquartered?

Retell AI is headquartered in San Francisco, United States.

### When was Retell AI founded?

Retell AI was founded in 2023.

### What industry does Retell AI operate in?

Retell AI operates in Agentic AI, AI Agents, AI Voice Synthesis, AI Voice Cloning, API Platform, Workflow Automation.

### How many employees does Retell AI have?

Retell AI has approximately 35 people on record.

### What is Retell AI's revenue?

Retell AI reports approximately $60.0M in annual revenue.

### What is Retell AI's valuation?

StartupHub estimates Retell AI's effective valuation at $341.9M (range $299.5M to $540.6M, 43% confidence), based on comparable companies in the sector.

## 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": "Retell AI",
          "item": "https://www.startuphub.ai/startups/retell-ai"
        }
      ]
    },
    {
      "@type": "ProfilePage",
      "@id": "https://www.startuphub.ai/startups/retell-ai#webpage",
      "url": "https://www.startuphub.ai/startups/retell-ai",
      "name": "Retell AI - AI Startup Profile | StartupHub.ai",
      "description": "This is the official profile of Retell AI. Retell AI is a startup founded in 2023, operating in Agentic AI and AI Agents. Voice AI agent platform handling more calls per second than the US 911 system, $60M ARR with a 35-person team. Headquartered in San Francisco, United States. The company has approximately 35 employees.",
      "dateModified": "2026-07-01T09:30:43.137864+00:00",
      "mainEntity": {
        "@id": "https://www.startuphub.ai/startups/retell-ai#organization"
      }
    },
    {
      "@type": "Organization",
      "@id": "https://www.startuphub.ai/startups/retell-ai#organization",
      "name": "Retell AI",
      "url": "https://retellai.com",
      "logo": "https://cdn.startuphub.ai/storage/v1/object/public/entity-images/startups/1005071.jpg",
      "image": "https://cdn.startuphub.ai/storage/v1/object/public/entity-images/startups/1005071.jpg",
      "description": "This is the official profile of Retell AI. Retell AI is a startup founded in 2023, operating in Agentic AI and AI Agents. Voice AI agent platform handling more calls per second than the US 911 system, $60M ARR with a 35-person team. Headquartered in San Francisco, United States. The company has approximately 35 employees.",
      "sameAs": [
        "https://www.linkedin.com/company/retellai",
        "https://x.com/retellai",
        "https://www.startuphub.ai/startups/retell-ai"
      ],
      "foundingDate": "2023-01-01 00:00:00",
      "numberOfEmployees": {
        "@type": "QuantitativeValue",
        "value": 35
      },
      "address": {
        "@type": "PostalAddress",
        "streetAddress": "536 Ramona St #2 Floor, Palo Alto, California 94301, US",
        "addressLocality": "San Francisco",
        "addressCountry": "US"
      },
      "knowsAbout": [
        "Agentic AI",
        "AI Agents",
        "AI Voice Synthesis",
        "AI Voice Cloning",
        "API Platform",
        "Workflow Automation",
        "Customer Service",
        "Call Center Software",
        "Generative AI",
        "Large Language Model",
        "Voice Agent",
        "Voice AI"
      ]
    },
    {
      "@type": "Product",
      "@id": "https://www.startuphub.ai/startups/retell-ai#profile-assessment",
      "name": "Retell AI - StartupHub.ai Profile Assessment",
      "url": "https://www.startuphub.ai/startups/retell-ai",
      "image": "https://cdn.startuphub.ai/storage/v1/object/public/entity-images/startups/1005071.jpg",
      "category": "Agentic AI",
      "description": "This is the official profile of Retell AI. Retell AI is a startup founded in 2023, operating in Agentic AI and AI Agents. Voice AI agent platform handling more calls per second than the US 911 system, $60M ARR with a 35-person team. Headquartered in San Francisco, United States. The company has approximately 35 employees. Agent Readiness score: 47/100. Full audit: https://www.startuphub.ai/startups/retell-ai/agent-readiness",
      "brand": {
        "@type": "Brand",
        "name": "Retell AI"
      },
      "review": {
        "@type": "Review",
        "author": {
          "@type": "Organization",
          "name": "StartupHub.ai"
        },
        "datePublished": "2026-07-01",
        "name": "Retell AI - Profile Score 62/100",
        "reviewBody": "This is the official profile of Retell AI. Retell AI is a startup founded in 2023, operating in Agentic AI and AI Agents. Voice AI agent platform handling more calls per second than the US 911 system, $60M ARR with a 35-person team. Headquartered in San Francisco, United States. The company has approximately 35 employees. Agent Readiness score: 47/100. Full audit: https://www.startuphub.ai/startups/retell-ai/agent-readiness",
        "reviewRating": {
          "@type": "Rating",
          "ratingValue": 62,
          "bestRating": 100,
          "worstRating": 0
        }
      }
    }
  ]
}
```