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Sierra logo — Sierra is the conversational AI platform for businesses.

Sierra

Sierra is the conversational AI platform for businesses.

Founded 2023 United States San Francisco, United States 759 employees Series E Total: $1.59B AI, Enterprise Software +1

General Information

Company Name Sierra
Founded Year 2023
Location United States San Francisco, United States +1
Employees 759
Industries AI, Enterprise Software, SaaS
Funding Stage Series E
Social

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Recorded by Bounce Watch from public sources. Every entry below carries the date we observed it, and when we have not looked recently the page says so rather than leaving silence to imply nothing happened.

In The News Aug 21, 2026

Featured on Thenextweb: Meta pays Microsoft hundreds of millions a year to rent AI models

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About Sierra

Sierra is carving a niche in the AI industry with its innovative platform, described succinctly by its slogan: "Sierra is the conversational AI platform for businesses." Founded in 2023, Sierra aims to enhance customer interactions by helping businesses create more engaging and human-like experiences through AI technology.

Categorized under industries such as AI, Enterprise Software, and SaaS, and headquartered in the United States, the company is strategically positioned to capitalize on the growing demand for AI solutions in enterprise settings.

A significant milestone in Sierra's financial growth is its recent $350 million private equity investment secured in September 2025. This robust funding round led by notable investors Greenoaks Capital, Thrive Capital, and ICONIQ, underscores confidence in Sierra's potential to revolutionize business interactions through AI.

Taxonomy: Conversational AI, Business Challenges, Enterprise AI Solutions, AI Integration, Business Workflows, Streamlined Interactions, Issue Resolution, Personalized Support, Digital Transformation, Customer Service Automation, AI-driven Solutions, Support Optimization, AI Agents

Services & Products

AI Agents Development
Channel Unification
Customer Experience Optimization
Performance Monitoring and Testing
Agent Data Platform Integration

Target Customers

Financial Services Healthcare Providers Telecommunications Media Companies Travel and Hospitality Retail and Consumer Goods

Funding Rounds & Investors (4)

View All
Funding Stage Amount Investors Lead Investors Date
Series E •••••• 5
Investor Investor
•••• •••• 		04 May 2026
Private Equity •••••• 3
Investor Investor
•••• •••• 		03 Sep 2025
Venture Round •••••• 3
Investor Investor Investor
28 Oct 2024
Venture Round •••••• 3
Investor
•••• •••• 		13 Feb 2024

Latest News

View All
Here’s Proof the AI Boom Is Real: More People Are Tapping ChatGPT at Work — Wired
Here’s Proof the AI Boom Is Real: More People Are Tapping ChatGPT at Work
Wired Mar 29, 2024
The Unsexy Future of Generative AI Is Enterprise Apps — Wired
The Unsexy Future of Generative AI Is Enterprise Apps
Wired May 06, 2024
OpenAI Chair Bret Taylor talks AI agents, regulation and the technology's current boom — Cnbc
OpenAI Chair Bret Taylor talks AI agents, regulation and the technology's current boom
Cnbc Oct 10, 2024
Sierra, 10 milyar dolar değerleme üzerinden 350 milyon dolar yatırım aldı — Webrazzi
Sierra, 10 milyar dolar değerleme üzerinden 350 milyon dolar yatırım aldı
Webrazzi Sep 03, 2025
Ex-Salesforce co-CEO Bret Taylor's Sierra is the latest $10 billion AI startup — Cnbc
Ex-Salesforce co-CEO Bret Taylor's Sierra is the latest $10 billion AI startup
Cnbc Sep 04, 2025
Salesforce adds voice calling to Agentforce AI customer service software — Cnbc
Salesforce adds voice calling to Agentforce AI customer service software
Cnbc Oct 13, 2025

Sierra Alternatives & Competitors

View All Alternatives
Sierra vs
Advoco Solutions Limited
Advoco Solutions Limited United Kingdom

SMARTERTHINKING for all of your IT, CRM and Software Development Services

8 employees
IT, Information Technology
Sierra vs
Everest Computers, Inc.
Everest Computers, Inc. United States

Everest Technologies is a professional Information Technologies firm specializing in the delivery of...

20 employees
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Compare Sierra vs Everest Computers, Inc.
Sierra vs
Nomad Technology Group
Nomad Technology Group United States

Call us for a different perspective on your technology.

17 employees
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Compare Sierra vs Nomad Technology Group
Also compare with: Sierra vs Complete Business Solutions, Inc Complete Business Solutions, Inc View all alternatives

FAQ About Sierra

Sierra is the conversational AI platform for businesses.
Sierra was founded in 2023.
Sierra is headquartered in San Francisco, United States.
Sierra operates in the following industries: AI, Enterprise Software, SaaS.
Sierra has approximately 759 employees.
Sierra has completed 4 funding rounds, raising a total of $1.59B. The latest funding stage is Series E.
Sierra offers: AI Agents Development, Channel Unification, Customer Experience Optimization, Performance Monitoring and Testing, Agent Data Platform Integration.
Top alternatives and competitors to Sierra include Advoco Solutions Limited, Everest Computers, Inc., Nomad Technology Group, Complete Business Solutions, Inc, Data Service Group. These companies operate in related industries and serve comparable markets. You can compare them side by side on Bounce Watch.
Sierra and Advoco Solutions Limited are both companies in similar industries. Compare their funding, team size, growth signals, and market position on Bounce Watch to see which one fits your needs.

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