Acquired YC companies

Largest acquired YC companies by team size

• 1000Memories(Summer 2010 · 2 people) — Memorial sites.
• 280 North(Winter 2008 · 11 people)
• 42Floors(Winter 2012 · 60 people) — We make it easy to search for office space.
• 500Friends(Winter 2010 · 51 people) — the best loyalty and retention marketing partner for CMOs.
• A Thinking Ape(Winter 2008 · 75 people) — We build communities through massively multiplayer mobile games
• Abacus(Winter 2014 · 30 people) — Making expense reports obsolete
• Able(Winter 2020 · 50 people) — India's Largest Placement Platform for Early Professionals
• Able Health(Winter 2016 · 11 people) — Able Health gets doctors paid more for higher quality care
• Accept.inc (formerly BoardRE)(Winter 2019 · 80 people) — BoardRE is a new type of mortgage company that upgrades any offer…
• Actiondesk(Summer 2019 · 4 people) — Access all your live data in one place
• AdGrok(Summer 2010 · 2 people) — Easy SEM software. Acquired by Twitter in 2011.
• Aer(Summer 2021 · 18 people) — Compound compliance: the central hub for meeting SEC obligations
• AeroFS(Summer 2010 · 40 people) — Secure Enterprise Collaboration.
• Aisle50(Summer 2011 · 11 people) — Grocery deals.
• Alfie(Winter 2022 · 6 people) — Democratizing access to precision weight loss medications
• All Screen(Winter 2010 · 11 people) — Connecting users with engaging video content across the web.…
• Allotrope Medical(Summer 2018 · 2 people) — Advancing surgical precision through safe electrical stimulation.
• Allure Systems(Winter 2019 · 18 people) — A.I. to create stunning fashion images for eCommerce.
• Alterya(Summer 2022 · 30 people) — Protecting Humans from Scams
• Altro(Summer 2020 · 29 people) — Build Credit With Your Subscriptions
• Amiato(Winter 2012 · 2 people) — The BI bridge for unstructured data. We automatically bridge the gap…
• Anja Health(Winter 2022 · 2 people) — Cord Blood Banking Reimagined
• Anywhere.FM(Summer 2007 · 11 people)
• Appcanary(Summer 2015 · 2 people) — Appcanary tracks the dependencies you use in your apps and servers…
• Appjet(Summer 2007 · 3 people)
• Apportable(Winter 2011 · 51 people) — iOS porting
• Apptimize(Summer 2013 · 50 people) — Apptimize lets mobile teams innovate faster to create an amazing user…
• Aptible(Summer 2014 · 25 people) — The No Infrastructure Platform as a Service
• Apto Payments(Summer 2014 · 32 people) — API platform for partners to issue branded debit and credit cards to…
• Aquarium Learning(Summer 2020 · 12 people) — We help ML teams improve their models by improving their datasets
• Arc(Winter 2022 · 30 people) — Banking & Funding for Startups
• Arcane(Winter 2024 · 2 people) — AI
• Arcus(Summer 2013 · 100 people) — Payment-as-a-service that helps any business launch payment solutions
• Arengu(Summer 2021 · 10 people) — Build frictionless signup flows in minutes
• Armory(Winter 2017 · 90 people) — Continuous Deployment at any scale, for all developers.
• Arroyo(Winter 2023 · 2 people) — Cloud-native stream processing
• Arthena(Winter 2017 · 12 people) — Quantitative Investment in Art Assets
• Ascen(Winter 2019 · 30 people) — EOR for the staffing industry
• Askdata(Winter 2019 · 17 people) — Frictionless Data
• Atomic Alchemy(Winter 2019 · 8 people) — We produce cancer-curing materials used in nuclear medicine.
• Auctomatic(Winter 2007 · 2 people)
• Audm(Summer 2017 · 10 people) — Audm is a subscription service providing mini-audiobooks —…
• Auro Robotics(Summer 2015) — Autonomous shuttles for campus-like environments.
• Authy(Winter 2012 · 201 people) — Authy is a Two-Factor Authentication platform for developers
• AutoHub(Summer 2017 · 2 people) — We help dealerships appraise vehicle trade-ins more efficiently…
• Automatic(Summer 2011 · 51 people) — Automatic connects your car to the rest of your digital life.
• Autotab(Summer 2023 · 2 people) — AI agents reliable enough to do real work
• Avametric(Winter 2014 · 11 people) — Simulate clothes on your body.
• Avenue(Winter 2021 · 8 people) — Observability platform for operations teams
• Awari(Winter 2021 · 35 people) — Reinventing lifelong learning for the future of work.
• AXDRAFT(Winter 2019 · 34 people) — AXDRAFT helps corporations draft, negotiate and approve documents 10x…
• Axoni(Winter 2014 · 155 people) — Axoni is building the next generation of capital markets technology
• BackType(Summer 2008) — BackType was an analytics company acquired by Twitter in 2011
• Balto(Winter 2019 · 5 people) — Acquired by FuboTV (NYSE: FUBO) - Contest automation software…
• Bandit ML(Summer 2020 · 4 people) — Bandit ML builds machine learning tools for e-commerce companies.
• Bayes(Summer 2019 · 4 people)
• Bear Flag Robotics(Winter 2018 · 10 people) — Autonomous driving technology for farm tractors.
• Beeper(Summer 2021 · 16 people) — One chat app to rule them all
• Berbix(Summer 2018 · 39 people) — Convert more verified users. Instantly & accurately validate user IDs.
• BharatX(Winter 2022 · 14 people) — Enable Buy-Now-Pay-Later in a White-Labelled Manner
• Biocogniv(Summer 2020 · 6 people)
• Bitaccess(Summer 2014 · 55 people) — We make bitcoin simple.
• Bitnami(Winter 2013 · 75 people) — The App Store for Server Software
• BitPatrol(Spring 2025 · 1 people) — AI-powered code security
• Bitplay(Winter 2010 · 2 people) — Effortless Video Meetings - Acquired by Jive Software in 2013
• Bizzy(Winter 2015 · 2 people) — Bizzy is omni-channel marketing for ecommerce businesses.
• Blaxel(Spring 2025 · 12 people) — The infrastructure for autonomous agents
• Blitz Esports(Summer 2015 · 11 people) — Blitz breaks down the complex world of esports and offers new…
• Blitzllama(Winter 2022 · 7 people) — A platform to collect and analyze in-product user feedback
• Blockspring(Summer 2014 · 3 people) — Automate data collection for spreadsheets and productivity tools.
• BloomThat(Summer 2013 · 11 people) — Uber for Flowers.
• Bluebirds(Winter 2023 · 6 people) — Automate outbound with signals
• Bluecrew(Summer 2015 · 100 people) — Bluecrew is a web based staffing agency.
• Bluesmart(Winter 2015 · 51 people) — Bluesmart makes smart luggage powered by an app to empower people to…
• Bonfire(Winter 2015 · 95 people) — Bonfire is reimagining RFPs & bidding for gov procurement teams
• Bonsai(Winter 2016 · 25 people) — The all-in-one solution for small businesses and self-employed.
• Boostable(Winter 2014 · 11 people) — Advertising platform tools for marketplace sellers.
• Boosted(Summer 2012 · 51 people) — Simple, fun, and fast electric vehicles.
• Booth AI(Winter 2023 · 3 people) — Generative AI Photographer for E-Commerce
• Bop.fm(Summer 2013 · 2 people) — Canonical permalinks for songs.
• Bouncer(Summer 2019 · 2 people) — SDK for scanning and verifying credit cards and photo IDs in mobile…
• Bracket(Winter 2022 · 3 people) — Two-way syncs between business tools and your database
• Breadcrumbs.io(Summer 2021 · 20 people) — No-code scoring engine identifying your most engaged upsell opps
• Breaker(Winter 2017 · 1 people) — A podcast company.
• Brevy(Summer 2020 · 8 people) — Empower your customer service team through AI & automation.
• Brewit(Winter 2023 · 4 people) — Conversational data analytics for every team
• Brex(Winter 2017 · 1000 people) — Business accounts, corporate cards, and spend management software.
• Browser Buddy(Winter 2024 · 2 people) — A recommendation system for the Internet
• Bueno Finance(Winter 2021 · 18 people) — Building Chime for India
• BufferBox(Summer 2012 · 2 people) — The future of package delivery. We are building a network of…
• BuildZoom(Winter 2013 · 100 people) — BuildZoom is a better way to remodel. We connect homeowners to the…
• Bulldozair(Summer 2016 · 8 people) — Construction management platform
• Bulletin(Winter 2017 · 15 people) — Helping retailers discover and shop the best brands on the planet
• Bump(Summer 2009 · 30 people) — Bump, Flock, Photoroll (unreleased) => Google Photos
• Bun(Summer 2019 · 13 people) — Bun is an incredibly fast all-in-one JavaScript toolkit
• Burrow(Summer 2016 · 60 people) — A design brand creating innovative, award winning furniture.
• bxblue(Summer 2017 · 28 people) — bxblue is a marketplace for people with guaranteed income in Brazil.…
• Byte Kitchen(Summer 2021 · 5 people) — Increasing restaurant profitability through our AI Operating System
• Bytebot(Summer 2021 · 3 people) — Bytebot is the open source container for AI desktop agents.
• Caper(Winter 2016 · 15 people) — Plug-and-play cashier-less retail powered by computer vision and AI

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