YC Unicorns & Biggest Y Combinator Companies

Public YC companies

• DoorDash (Summer 2013 · 8600 people) — Restaurant delivery.
• Airbnb (Winter 2009 · 6132 people) — Book accommodations around the world.
• Coinbase (Summer 2012 · 6112 people) — Buy, sell, and manage cryptocurrencies.
• EquipmentShare (Winter 2015 · 5400 people) — Cloud solutions for the construction industry.
• Dropbox (Summer 2007 · 4000 people) — Backup and share files in the cloud.
• Instacart (Summer 2012 · 3000 people) — Marketplace for grocery delivery and pickup
• GitLab (Winter 2015 · 2000 people) — A complete DevOps platform delivered as a single application.
• Meesho (Summer 2016 · 1450 people) — Democratizing internet commerce for everyone in India
• Groww (Winter 2018 · 1050 people) — Making financial services simple, transparent and delightful.
• PagerDuty (Summer 2010 · 950 people) — Real-time visibility into critical apps and services all in one place.
• Amplitude (Winter 2012 · 750 people) — Digital Analytics Platform
• Ginkgo Bioworks (Summer 2014 · 641 people) — Our mission is to make biology easier to engineer.
• Weave (Winter 2014 · 600 people) — Customer communication and payments platform.
• BillionToOne (Summer 2017 · 300 people) — The genetic testing platform detecting and measuring disease.
• Embark Trucks (Winter 2016 · 300 people) — Self-driving semi trucks.
• Matterport (Winter 2012 · 201 people) — Turn physical objects and environments into 3D models in seconds.
• Presto (Summer 2010 · 200 people) — Digital meets physical for big chain restaurants
• Momentus (Summer 2018 · 125 people) — The space infrastructure services company
• Rigetti Computing (Summer 2014 · 51 people) — Quantum coherent supercomputing.
• Oklo (Summer 2014 · 50 people) — Emission free, always on power from advanced fission power plants.
• Lucira Health (Winter 2015 · 43 people) — Next generation infectious disease test kits
• Notable Labs (Winter 2015 · 40 people) — Personalized drug discovery for blood cancer.
• Pardes Biosciences (Summer 2020 · 2 people) — We break viruses

Still-private YC companies with 500+ employees

These are the private YC-backed companies most likely to be at or above $1B valuation.

• Stripe (Summer 2009 · 7000 people) — Economic infrastructure for the internet.
• Breadfast (Summer 2019 · 6000 people) — Household needs, from bread to everything.
• Deel (Winter 2019 · 5000 people) — The all-in-one HR and payroll platform for global teams
• 99minutos (Winter 2020 · 5000 people) — The fastest shipping for online shopping
• Rappi (Winter 2016 · 4800 people) — On-demand delivery and financial services for Latin America.
• GrubMarket (Winter 2015 · 4548 people) — AI-powered technology enabler and digital transformer of American…
• Redcliffe Lifetech (Winter 2021 · 3500 people) — Redcliffe Labs is India's Largest Omni-channel Diagnostics platform
• Flexport (Winter 2014 · 3000 people) — Platform for global logistics.
• Skill-lync (Winter 2019 · 3000 people) — Online engineering college for India. Learn technical skills & get…
• Chaldal (Summer 2015 · 2886 people)
• Razorpay (Winter 2015 · 2700 people) — India's only full-stack financial solutions company for businesses.
• Rippling (Winter 2017 · 2500 people) — One place to run all your HR, IT, and Finance. Globally.
• Relativity Space (Winter 2016 · 2500 people) — Building humanity’s multiplanetary future.
• Gusto (Winter 2012 · 2400 people) — Provides growing businesses with everything to take care of their team
• GOAT Group (Winter 2011 · 1600 people) — Platform for the greatest products from the past, present and future.
• Wave (Winter 2012 · 1600 people) — Mobile money app for Africa
• Zepto (Winter 2021 · 1300 people) — 10-Minute Grocery Delivery in India
• Fivetran (Winter 2013 · 1200 people) — The leader in automated data movement
• Orange Health Labs (Summer 2020 · 1100 people) — India's Fastest Diagnostics Service
• Super (Winter 2018 · 1037 people) — Super is the first and leading Indonesian social commerce platform
• Podium (Winter 2016 · 1000 people) — Get more leads. Make more money.
• Akido Labs (Winter 2015 · 1000 people) — Rebuilding healthcare with AI at the core
• Flock Safety (Summer 2017 · 1000 people) — The first public safety operating system that eliminates crime.
• Athelas (Summer 2016 · 1000 people) — Extensible, Integrated Technology that Simplifies Health Systems
• Clipboard (Winter 2017 · 1000 people) — Every shift, Covered.
• GoCardless (Summer 2011 · 900 people) — We’re building the world’s bank payment network.
• Clear (Summer 2014 · 900 people) — Fintech SaaS platform for invoices, taxes, wealth management & credit.
• Faire (Winter 2017 · 900 people) — The global online platform empowering independent retail.
• Superside (Winter 2016 · 850 people) — AI-First Creative Partner for Enterprise Teams
• Algolia (Winter 2014 · 810 people) — A developer-friendly and enterprise-grade search API.
• Checkr (Summer 2014 · 800 people) — People infrastructure for the future of work
• Apollo.io (Winter 2016 · 800 people) — Apollo is the foundation of your entire go-to-market strategy.
• Human Interest (Summer 2015 · 765 people) — The 401(k) for small and medium-sized businesses.
• Benchling (Summer 2012 · 750 people) — Unlocking the power of biotech with modern software for modern science
• Calii (Summer 2018 · 750 people) — Full-stack grocery delivery in LatAm
• Hogaru (Winter 2017 · 746 people) — Hogaru is a tech-enabled home services platform in Latin America.
• Whatnot (Winter 2020 · 731 people) — Whatnot is the largest livestream shopping platform in the U.S.
• Guesty (Winter 2014 · 700 people) — The management platform for the short term rental industry.
• Ironclad (Summer 2015 · 700 people) — AI-powered contract management
• Zapier (Summer 2012 · 700 people) — The easiest way to automate your work.

Largest YC acquisitions (100+ employees at time of acquisition)

• 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.