Companies funded by Andreessen Horowitz

Multi-stage venture firm investing across consumer, enterprise, fintech, and crypto.

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Ranked by current headcount across companies in Andreessen Horowitz's disclosed portfolio. Refreshed daily.

1
Airbnb· San Francisco, California, United States
Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every country across the globe. Every day, hosts offer unique stays, experiences and services that make it possible for guests to connect with communities in a more authentic way.
- Post-IPO debt
- 72.2k employees
- Founded 2007
2
Instagram
More than one billion people around the world use Instagram, and we’re proud to be bringing them closer to the people and things they love. Instagram inspires people to see the world differently, discover new interests, and express themselves.Since launching in 2010, our community has grown at a rapid pace. Our teams are growing fast, too, and we’re looking for talent across engineering, product management, design, research, analytics, technical program management, operations, and more. In addition to our headquarters in Menlo Park, we have thriving offices in New York City and San Francisco where teams are doing impactful work every day.
- Series B
- 58k employees
- Founded 2010
3
Lyft· San Francisco, California, United States
Whether it’s an everyday commute or a journey that changes everything, Lyft is driven by our purpose: to serve and connect. In 2012, Lyft was founded as one of the first ridesharing communities in the United States. Now, millions of drivers have chosen to earn on billions of rides. Lyft offers rideshare, bikes, and scooters all in one app — for a more connected world, with transportation for everyone.
- Post-IPO debt
- 28.5k employees
- Founded 2012
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4
Instacart· San Francisco, California, United States
Instacart is a leading grocery technology company that partners with more than 2,200 retail banners – representing nearly 100,000 stores – to transform how people shop for the groceries they need from the retailers they trust, while creating flexible earning opportunities for shoppers. Through the Instacart Marketplace, Instacart Enterprise platform, and Instacart Ads ecosystem, the company powers ecommerce, fulfillment, in-store technology, AI offerings, and advertising for partners. With Instacart Health, the company is providing tools to increase nutrition security, make healthy choices easier for consumers, and expand the role that food can play in improving health outcomes. For more information, visit www.instacart.com/company.
- Private equity
- 25.2k employees
- Founded 2012
5
SpaceX· Hawthorne, California, United States
SpaceX designs, manufactures and launches the world’s most advanced rockets and spacecraft. The company was founded in 2002 by Elon Musk to revolutionize space transportation, with the ultimate goal of making life multiplanetary. SpaceX has gained worldwide attention for a series of historic milestones. It is the only private company ever to return a spacecraft from low-Earth orbit, which it first accomplished in December 2010. The company made history again in May 2012 when its Dragon spacecraft attached to the International Space Station, exchanged cargo payloads, and returned safely to Earth — a technically challenging feat previously accomplished only by governments. Since then Dragon has delivered cargo to and from the space station multiple times, providing regular cargo resupply missions for NASA.For more information, visit www.spacex.com.
- Post-IPO debt
- 20.6k employees
- Founded 2002

6
Revolut· London, England, United Kingdom
People deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our powerhouse of products help our 70+ million customers get more from their money every day.As we continue our lightning-fast growth, 2 things are essential to our success: our people and our culture. In recognition of our outstanding employee experience, we've been certified as a Great Place to WorkTM.So far, we have 10,000+ people working around the world, from our offices and remotely, to help us achieve our mission. And we're looking for more brilliant people. People who love building great products, redefining success, and turning the complexity of a chaotic world into the simplicity of a beautiful solution.
- Secondary
- 19.9k employees
- Founded 2015
7
Stripe· South San Francisco, California, United States
Stripe builds programmable financial services. Millions of companies—from the world’s largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Headquartered in San Francisco and Dublin, the company aims to increase the GDP of the internet.
- Secondary
- 17k employees
- Founded 2010
8
Databricks· San Francisco, California, United States
Databricks is the Data and AI company. More than 20,000 organizations worldwide — including adidas, AT&T, Bayer, Block, Mastercard, Rivian, Unilever, and over 60% of the Fortune 500 — rely on Databricks to build and scale data and AI apps, analytics and agents. Headquartered in San Francisco with 30+ offices around the globe, Databricks offers a unified Data Intelligence Platform that includes Agent Bricks, Lakeflow, Lakehouse, Lakebase and Unity Catalog. ---Databricks applicantsPlease apply through our official Careers page at databricks.com/company/careers. All official communication from Databricks will come from email addresses ending with @databricks.com or @goodtime.io (our meeting tool).
- Debt
- 16.4k employees
- Founded 2013
9
Rappi
Rappi is a Latin-American tech company and the first SuperApp in the region. It was founded in 2015 by Simón Borrero, Sebastian Mejía, and Felipe Villamarin and today is present in 9 countries and more than 200 cities.We are a young Latin American team of technology entrepreneurs with a mission to drive progress in our region through our platform for digital commerce. We know the future of Latin America can be made far brighter with technology that connects people to solutions. For us, Rappi is not just a company... it’s a movement for economic progress.
- Debt
- 14.9k employees
- Founded 2015
10
Fanatics· New York, New York, United States
Fanatics is committed to relentlessly enhancing the fan experience. As a leading global sports platform, Fanatics allows fans to buy, bet, and collect while engaging with sports in deeper, more immersive ways. Fanatics is redefining how fans connect with their favorite teams and players. Through its businesses—Fanatics Commerce, Fanatics Collectibles, Fanatics Betting & Gaming, Fanatics Events, Fanatics Markets, and Fanatics Studios—the company has built a powerful, integrated ecosystem. By bringing together licensed fan gear, physical and digital trading cards, live events, and more, Fanatics delivers personalized experiences to over 100 million fans worldwide.Fanatics currently holds partnerships with over 900 sports properties, including professional and college teams, leagues, players’ associations, and retail partners. Fanatics also partners with over 5,000 athletes and celebrities, including 250 exclusive partnerships, and has over 2,000 retail locations. Beyond these partnerships, Fanatics has its own powerhouse team of more than 22,000 global employees.
- Private equity
- 14.7k employees
- Founded 2011

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Find engineers and founders in Andreessen Horowitz’s portfolio

Andreessen Horowitz’s portfolio is a curated bet on the next wave of category-defining companies. The list above ranks Andreessen Horowitz-backed companies by current headcount, drawn from public LinkedIn and Crunchbase records. With 888 matching companies in Refolk’s index, the depth of senior engineers, founders, and operators is significant.

Andreessen Horowitz’s companies tend to share a profile - strong technical founders, fresh capital, and access to the Andreessen Horowitz network. Hiring from these companies often means hiring from one of the most curated talent pools in tech.

Refolk turns this list into a search. Ask for “Andreessen Horowitz portfolio companies hiring senior ML engineers” or “founders of Andreessen Horowitz-backed companies who left in the last year” and Refolk returns a fresh ranked shortlist.

How this list is built

Refolk pulled companies whose disclosed Crunchbase investor list includes Andreessen Horowitz, ranked them by current employee count, and kept those with at least 5 employees. The list refreshes once a day.

Last refreshed: Thu, 06 Aug 2026 00:51:49 GMT

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How is this ranking built?

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