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 monthly.

1
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
- 61k employees
- Founded 2010
2
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
- 25.3k employees
- Founded 2012
3
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
- 20.8k employees
- Founded 2002
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4
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 80+ 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 13,000+ 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
- 20.3k employees
- Founded 2015
5
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
- 17.1k employees
- Founded 2010

6
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
7
Business Insider· New York, New York, United States
Business Insider is a global newsroom covering business, technology, and the economy. We help ambitious, curious people stay informed, understand the context, and get ahead.Visit our homepage for the top stories of the day: https://www.businessinsider.com/ and sign up for our newsletters: https://www.businessinsider.com/subscription/newsletter
- Series unknown
- 14.5k employees
- Founded 2007
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).
- Private equity
- 14.3k employees
- Founded 2013
9
Wise· London, England, United Kingdom
Wise is a global technology company, building the best way to move money around the world. With the Wise account people and businesses can hold 40+ currencies, move money between countries and spend money abroad. Large companies and banks use Wise technology too; an entirely new cross-border payments network that will one day power money without borders for everyone, everywhere. However you use the platform, Wise is on a mission to make your life easier and save you money.Co-founded by Kristo Käärmann and Taavet Hinrikus, Wise launched in 2011 under its original name TransferWise. It is one of the world’s fastest growing, profitable technology companies and is dual listed on Nasdaq in the US (WSE) on the London Stock Exchange under the ticker, WISE.19 million people and businesses use Wise globally. In fiscal year 2026, Wise supported around 19 million people and businesses, processing over $240 billion in cross-border transactions and saving customers over $3 billion.For customer queries: Please note that LinkedIn is not a Wise Customer Support channel. If you would like to hear from our Customer Support team, please see our Facebook, Twitter and Instagram pages.Login to access customer support: https://wise.com/login/FB: https://www.facebook.com/Wise/IG:https://www.instagram.com/wiseaccount/TW:https://twitter.com/home
- Post-IPO debt
- 11.7k employees
- Founded 2011
10
X
- Series unknown
- 11.1k employees
- Founded 2006

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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 899 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.

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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 monthly.

Last refreshed: Sun, 13 Sep 2026 19:03:04 GMT

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How is this ranking built?

The list draws on the public company graph - headcount and growth signals, funding history, and recency. The criteria chips at the top show exactly which filters produced it, and the methodology section explains the ranking.

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