Acquired YC companies

Largest acquired YC companies by team size

• Cruise (Winter 2014 · 3000 people) — Self-driving cars.
• Twitch (Winter 2007 · 2000 people) — A global community creating the future of live entertainment.
• Reddit (Summer 2005 · 2000 people) — The frontpage of the internet.
• Optimizely (Winter 2010 · 1500 people) — The first all-in-one operating system for marketing
• Truepill (Summer 2017 · 1300 people) — API-connected healthcare infrastructure.
• Brex (Winter 2017 · 1000 people) — Business accounts, corporate cards, and spend management software.
• Kovi (Winter 2019 · 890 people) — Making car ownership more inclusive, flexible and simple.
• Newfront (Winter 2018 · 800 people) — Modern insurance brokerage.
• The Athletic (Summer 2016 · 600 people) — Subscription sports media.
• Segment (Summer 2011 · 550 people) — Software and APIs to collect, clean, and control customer data.
• Machine Zone (Winter 2008 · 501 people) — Pioneers of mobile social gaming.
• Chariot (Winter 2015 · 501 people) — The world's first private mass transit service providing a commuting…
• Firebase (Summer 2011 · 500 people) — Build and grow iOS, Android, and Web apps.
• Zenefits (Winter 2013 · 500 people) — HR for small businesses: onboarding, payroll and benefits.
• WePay (Summer 2009 · 400 people) — Payments for platform businesses.
• Heap (Winter 2013 · 388 people) — Captures user interactions with no code to generate analytics.
• PlanGrid (Winter 2012 · 355 people) — Mobile applications for the construction industry.
• Sendwave (Winter 2012 · 350 people) — Instant, no fee international remittances.
• Unbabel (Winter 2014 · 350 people) — AI-powered Language Operations platform
• Heroku (Winter 2008 · 300 people) — Enabling developers to build and run applications in the cloud.
• NURX (Winter 2016 · 300 people) — Medicine or testing kit, prescribed online and delivered to your door.
• Grin (Summer 2018 · 300 people) — Mobility and payments platform for Latin America
• CareRev (Summer 2016 · 275 people) — Seamlessly connecting healthcare facilities and professionals through…
• Cardpool (Winter 2010 · 251 people)
• Oolu (Summer 2015 · 230 people) — Oolu is one of the fastest growing off-grid solar firms in West Africa
• Codecademy (Summer 2011 · 225 people) — The leading online learning platform for technical skills.
• Lever (Summer 2012 · 225 people) — Talent Acquisition Suite that combines ATS + Talent CRM
• Truebill (Winter 2016 · 225 people) — Live your best financial life
• Fullstack Academy (Summer 2012 · 220 people) — Pioneer in immersive code education. Acquired by Zovio (NASDAQ: ZVO)…
• Clever (Summer 2012 · 210 people) — The platform that powers technology in the classroom.
• Fivestars (Winter 2011 · 201 people) — Customer loyalty and payments platform for small businesses.
• Weebly (Winter 2007 · 201 people) — Build a free website that grows with your business.
• Authy (Winter 2012 · 201 people) — Authy is a Two-Factor Authentication platform for developers
• Homejoy (Summer 2010 · 201 people) — platform for home service professionals
• Teespring (Winter 2013 · 201 people) — IMPORTANT: The original YC founders are no longer involved with this…
• garten (Summer 2016 · 201 people) — Creating workplace wellbeing.
• Zeus (Summer 2011 · 200 people) — Tech-enabled property manager focused on corporate rentals; Acquired…
• Rider (Winter 2022 · 180 people) — Modern parcel delivery for online sellers in Pakistan.
• Axoni (Winter 2014 · 155 people) — Axoni is building the next generation of capital markets technology
• DrChrono (Winter 2011 · 150 people) — The essential platform for modern medical practices and patients.
• Lawn Love (Summer 2014 · 150 people) — Modern, on-demand lawn care service. Get a quote in two minutes.
• CoreOS (Summer 2013 · 150 people) — Open source tools of modern distributed systems.
• UpKeep (Winter 2017 · 150 people) — Mobile-first software for maintenance teams.
• Humi (Winter 2017 · 141 people) — Payroll, HR, and Health Benefits for Canada's SMB's
• Soomgo (Winter 2017 · 125 people) — Local services marketplace that connects providers with new customers
• Feather (Summer 2017 · 125 people) — Furniture rental for consumers and businesses.
• Sqreen (Winter 2018 · 120 people) — Sqreen is the application security platform for the modern enterprise
• Obie (Summer 2019 · 120 people) — Moving Investment Property Insurance Forward
• YourMechanic (Winter 2012 · 115 people) — Car Repairs, Reinvented:a. Mechanic comes to your home or work to fix…
• Paystack (Winter 2016 · 115 people) — Modern payments infrastructure for Africa
• Memora Health (Winter 2018 · 115 people) — Digitize and Automate Complex Care Workflows
• OpenInvest (Summer 2015 · 110 people) — Values based personalization at scale for asset and wealth management
• GitPrime (Winter 2016 · 110 people) — Visibility and analytics for software development leaders.
• Convex (Winter 2019 · 110 people) — Software for the commercial services industry.
• WorkRamp (Summer 2016 · 106 people) — The All-in-One Learning Platform
• Localyze (Summer 2019 · 105 people) — Global mobility platform for companies and employees
• Genius (Summer 2011 · 101 people) — Music Intelligence
• HelloSign (Winter 2011 · 100 people) — eSignature software for small and mid-market businesses.
• Humble Bundle (Winter 2011 · 100 people) — Pay what you want for awesome games and other content while giving to…
• Arcus (Summer 2013 · 100 people) — Payment-as-a-service that helps any business launch payment solutions
• Bluecrew (Summer 2015 · 100 people) — Bluecrew is a web based staffing agency.
• Coursedog (Winter 2019 · 100 people) — Higher Ed's Best Friend - integrated academic operations software.
• Innov8 (Summer 2016 · 100 people) — We provide co-working offices to startups, freelancers and SMEs in…
• R2 (Winter 2021 · 100 people) — Embedded lending infrastructure
• Bonfire (Winter 2015 · 95 people) — Bonfire is reimagining RFPs & bidding for gov procurement teams
• Ribbon Health (Summer 2017 · 91 people) — Health enterprise API for data on doctors, insurance, costs, & quality
• Armory (Winter 2017 · 90 people) — Continuous Deployment at any scale, for all developers.
• Evry Health (Winter 2018 · 87 people) — Better health insurance for mid-size companies
• Volansi (Winter 2017 · 85 people) — Autonomous VTOL delivery solutions.
• Pachama (Winter 2019 · 85 people) — Restoring nature to solve climate change.
• Accept.inc (formerly BoardRE) (Winter 2019 · 80 people) — BoardRE is a new type of mortgage company that upgrades any offer…
• Memfault (Winter 2019 · 80 people) — First IoT reliability platform for debugging, monitoring, OTA updates
• A Thinking Ape (Winter 2008 · 75 people) — We build communities through massively multiplayer mobile games
• Bitnami (Winter 2013 · 75 people) — The App Store for Server Software
• Momence (Summer 2020 · 75 people) — Scheduling and payments for experiences
• Gobble (Winter 2014 · 73 people) — Daily meal delivery, personalized to your tastes.
• Hatch (Winter 2019 · 73 people) — The AI CSR Platform
• Triplebyte (Summer 2015 · 70 people) — Intelligent technical hiring.
• Tech in Asia (Winter 2015 · 70 people) — Tech in Asia (YC W15) is the largest English-language technology…
• Skio (Summer 2020 · 70 people) — Subscriptions for Shopify
• Qulture.Rocks (Winter 2018 · 70 people) — The people, management, and culture operating system for your startup.
• Mailmodo (Summer 2021 · 70 people) — No-code email marketing platform to send forms & widgets within emails
• Rocketrip (Winter 2014 · 68 people) — Rocketrip helps companies save money on travel expenses by aligning…
• Lumi (Winter 2015 · 67 people) — Packaging for online brands.
• Remix (Winter 2015 · 65 people) — We’re building a platform to empower cities to plan the best possible…
• Forage (Winter 2019 · 65 people) — Online job simulations for companies to train, and then hire, students
• Second Measure (Summer 2015 · 62 people) — Unlock the power of transaction data.
• 42Floors (Winter 2012 · 60 people) — We make it easy to search for office space.
• GovPredict (Summer 2014 · 60 people) — The system of record for government affairs.
• Pachyderm (Winter 2015 · 60 people) — Data Versioning, Data Pipelines, and Data Lineage
• SimpleLegal (Summer 2013 · 60 people) — Legal Operations for corporate legal teams.
• Burrow (Summer 2016 · 60 people) — A design brand creating innovative, award winning furniture.
• Regology (Summer 2018 · 60 people) — AI Agents for Regulatory Compliance
• SafeBase (Summer 2020 · 60 people) — Trust Center platform that scales customer security reviews
• Bitaccess (Summer 2014 · 55 people) — We make bitcoin simple.
• DevCycle (Winter 2014 · 55 people) — Feature Flag Management Built for Developers
• VaycayHero (Winter 2013 · 55 people) — VaycayHero is a marketplace of professionally managed vacation…
• StackAI (Winter 2023 · 55 people) — The Enterprise AI Transformation Platform
• Mystery.org (Summer 2017 · 53 people) — We help kids stay curious by creating better explanations.
• Spire Health (Winter 2015 · 52 people) — Remote patient monitoring for lung disease patients.