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YC Winter 2015 (W15)

110 companies Y Combinator lists for Winter 2015, with what each one builds. 19.4% of the tagged companies are AI, up from 10.5% in S14.

Companies
110
AI share
19.4%
Top sector
Marketing
8 companies
Second
Engineering, Product and Design
7 companies

What’s in Winter 2015

Winter 2015 lists 110 companies so far (S14 had 78). The biggest themes by YC's tags are Fintech (8), Marketplace (7), Developer Tools (6), Biotech (5) and Analytics (4). The largest sectors are Marketing, Engineering, Product and Design, Home and Personal and Consumer Health and Wellness. 12.8% are based outside the US.

  • Fintech · 8
  • Marketplace · 7
  • Developer Tools · 6
  • Biotech · 5
  • Analytics · 4

See what YC asked founders to build · Breakout themes across batches

All Winter 2015 companies

110 companies

  • EquipmentShare

    Cloud solutions for the construction industry.

    Construction5400Columbia, MO, USAPublic
  • GitLab

    A complete DevOps platform delivered as a single application.

    Engineering, Product and Design2000San Francisco, CA, USAPublic
  • GrubMarket

    AI-powered technology enabler and digital transformer of American…

    Supply Chain and Logistics4548San Francisco, CA, USA
  • Notable Labs

    Personalized drug discovery for blood cancer.

    Diagnostics40San Francisco, CA, USAPublic
  • Razorpay

    India's only full-stack financial solutions company for businesses.

    Payments2700Bengaluru, KA, India
  • 20n

    Using AI to predict biochemistry for manufacturing and therapeutics

    AI
    Industrial Bio2San Francisco, CA, USAInactive
  • Social2Ljubljana, Ljubljana, SloveniaInactive
  • Akido Labs

    Rebuilding healthcare with AI at the core

    AI
    Healthcare IT1000Los Angeles, CA, USA
  • Automate Ads

    On a mission to programmatically automate, optimize, and unify your…

    Marketing2San Francisco, CA, USAInactive
  • Bagaveev Corporation

    Launch small satellites

    Aviation and Space2San Francisco, CA, USAInactive
  • Bankjoy

    An end-to-end digital banking solution for banks and credit unions

    Banking and Exchange60Troy, MI, USA
  • Bizzy

    Bizzy is omni-channel marketing for ecommerce businesses.

    Retail2San Francisco, CA, USAAcquired
  • Bluesmart

    Bluesmart makes smart luggage powered by an app to empower people to…

    Consumer Electronics51New York City, NY, USAAcquired
  • Bonfire

    Bonfire is reimagining RFPs & bidding for gov procurement teams

    Finance and Accounting95ON, CanadaAcquired
  • Booktrope

    Booktrope provides a software platform that makes it easy for…

    Marketing51Seattle, WA, USAInactive
  • Bright

    Sunrun for the developing world

    Energy100New York City, NY, USA
  • BuildScience

    The operating system for commercial buildings.

    Housing and Real Estate1Niagara Falls, NY, USA
  • Chariot

    The world's first private mass transit service providing a commuting…

    Transportation Services501San Francisco, CA, USAAcquired
  • Cleanly

    Laundry & Dry Cleaning delivered.

    Home and Personal200New York City, NY, USA
  • Cribspot

    Tech-Enabled Real Estate Company (YC W15)

    Housing and Real Estate2Ann Arbor, MI, USAInactive
  • CyberFend

    Cyberfend delivers robust, real-time web and mobile security by…

    Security2San Francisco, CA, USAAcquired
  • Dabble

    A synthetic photo studio for e-commerce

    AI
    Marketing3Toronto, ON, CanadaInactive
  • Dealyze

    Dealyze helps national retailers build exceptional customer and…

    Retail6San Francisco, CA, USAInactive
  • Democracy Earth

    Censorship resistant democracies.

    Unspecified2Madrid, Community of Madrid, Spain

Source: Y Combinator’s public company directory. Each company links to its YC profile. See how we count and what YC asked founders to build.

Frequently asked questions

How many companies are in YC Winter 2015?

Y Combinator's public directory lists 110 companies for Winter 2015 (W15), compared with 78 in Summer 2014. YC adds companies as they launch, so a recent batch can still grow.

What kind of startups are in YC Winter 2015?

The most common themes by YC's own tags are Fintech (8), Marketplace (7), Developer Tools (6), Biotech (5) and Analytics (4). The largest sectors are Marketing, Engineering, Product and Design, Home and Personal and Consumer Health and Wellness. 19.4% of the companies YC has tagged are AI.

Where are YC Winter 2015 companies based?

12.8% of Winter 2015 companies with a listed location are based outside the US.