Cohorts of 2015

Companies whose accelerator cohort started in 2015. 757 companies.

CompanyClusterProgramStatusLast signal
Bizzy

Bizzy is omni-channel marketing for ecommerce businesses.

Commerce and marketplacesomni-channel marketing automation for ecommerceY CombinatorW15Acquired2026-08-23
Bluesmart

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

Consumersmart luggage and travel hardwareY CombinatorW15Acquiredchecked 2026-08-23
Bonfire

Bonfire is reimagining RFPs & bidding for gov procurement teams

B2B SaaSGovernment procurement bidding platformY CombinatorW15Acquired2026-08-23
Booktrope

Booktrope provides a software platform that makes it easy for…

Commerce and marketplacesbook publishing platformY CombinatorW15Inactivechecked 2026-08-24
Bright

Sunrun for the developing world

Climate and energydistributed solar financing platformY CombinatorW15Activechecked 2026-08-24
BuildScience

The operating system for commercial buildings.

B2B SaaSCommercial building operations softwareY CombinatorW15Site unreachablechecked 2026-08-17
Chariot

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

Consumershared mobility and commutingY CombinatorW15Acquiredchecked 2026-08-17
Cleanly

Laundry & Dry Cleaning delivered.

ConsumerOn-demand laundry deliveryY CombinatorW15Active2026-08-23
Cribspot

Tech-Enabled Real Estate Company (YC W15)

B2B SaaSoff-campus housing marketplaceY CombinatorW15Inactivechecked 2026-08-23
CyberFendAI

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

Security and complianceFraud and account takeover detectionY CombinatorW15Acquired2026-08-23
DabbleAI

A synthetic photo studio for e-commerce

Commerce and marketplacesAI-powered product photography automationY CombinatorW15Inactivechecked 2026-08-23
Dealyze

Dealyze helps national retailers build exceptional customer and…

B2B SaaSretail loyalty and marketing platformY CombinatorW15Inactivechecked 2026-08-17
Democracy Earth

Censorship resistant democracies.

OtherCensorship-resistant voting infrastructureY CombinatorW15Activechecked 2026-08-23
DemocracyOS

Online space for deliberation, policy making and democratic…

Othercivic tech platformY CombinatorW15Active2026-08-23
Direct MatchFintechUS Treasury trading venueY CombinatorW15Inactivechecked 2026-08-17
eBrandvalue

Real-time Nielsen ratings for Brands.Accelerate marketing and product…

B2B SaaSBrand intelligence and sales forecastingY CombinatorW15Activechecked 2026-08-23
EquipmentShare

Cloud solutions for the construction industry.

Commerce and marketplacesconstruction equipment marketplaceY CombinatorW15Public companychecked 2026-08-23
Final

A credit card that drastically reduces payment fraud and gives…

Fintechfraud-resistant payments cardY CombinatorW15Acquiredchecked 2026-08-23
Flip

Community-driven marketplace for sneakers.

Consumersneaker marketplace communityY CombinatorW15Site unreachable2026-08-19
GitLab

A complete DevOps platform delivered as a single application.

Developer toolsintegrated DevOps platformY CombinatorW15Public companychecked 2026-08-23
Giveffect

Fundraising, Volunteer and Donor Management SaaS for nonprofits.

B2B SaaSnonprofit donor and volunteer managementY CombinatorW15Activechecked 2026-08-23
GiveMeTap

We produce & sell stainless steel water bottles that enables people…

Consumersustainable water bottle social enterpriseY CombinatorW15Activechecked 2026-08-23
Glassjar

Clean app for check writing

ConsumerShared expense tracking appY CombinatorW15Inactivechecked 2026-08-23
GroupAhead

Improve communications with your group's own mobile app.

Consumergroup messaging and community appsY CombinatorW15Inactive-
GrubMarket

AI-powered technology enabler and digital transformer of American…

Commerce and marketplacesFood supply chain e-commerce platformY CombinatorW15Activechecked 2026-08-23
HigherMe

Helping restaurant employers find & hire better employees faster

B2B SaaSHR and recruiting for restaurantsY CombinatorW15Acquiredchecked 2026-08-23
Industrial Microbes

We design and build microbes to make chemicals greener at lower cost.

Climate and energysynthetic biology for green chemicalsY CombinatorW15Activechecked 2026-08-23
InstavestFintechsocial investing marketplaceY CombinatorW15Inactivechecked 2026-08-17
Kickpay

A platform to finance inventory for e-commerce companies.

Fintechinventory financing for e-commerceY CombinatorW15Inactivechecked 2026-08-17
Labdoor

Labdoor is building the trusted online drugstore.

Consumersupplement marketplace with testingY CombinatorW15Activechecked 2026-08-23
Level Frames

Software eats custom framing

Commerce and marketplacese-commerce for custom framingY CombinatorW15Activechecked 2026-08-23
Lucira Health

Next generation infectious disease test kits

Healthcare and bioPortable infectious disease diagnosticsY CombinatorW15Public companychecked 2026-08-17
Lully

Lully is developing an under-the-mattress technology that precisely…

Consumerchildren's sleep wellness hardwareY CombinatorW15Inactivechecked 2026-08-17
Lumi

Packaging for online brands.

Commerce and marketplacese-commerce packaging and shipping suppliesY CombinatorW15Acquiredchecked 2026-08-17
Magic

Extremely talented assistants for busy people

Vertical AI agentsVirtual assistant service automationY CombinatorW15Activechecked 2026-08-23
Makrwatch

Scale new user acquisition with YouTube Creators

Commerce and marketplacescreator economy marketplace for D2C brandsY CombinatorW15Activechecked 2026-08-23
MashginAI

Self-Checkout using Computer Vision.

Robotics and physical worldComputer vision self-checkout kiosksY CombinatorW15Activechecked 2026-08-23
Meadow

Point of Sale and Compliance SaaS for Cannabis Dispensaries

B2B SaaSPOS and compliance for cannabis retailersY CombinatorW15Activechecked 2026-08-23
Mezmo

Observability platform to control all of your log data

Developer toolsobservability and log managementY CombinatorW15Activechecked 2026-08-23
Mobydish

MobyDish, a tech-enabled service, allowing anyone to place a catering…

Commerce and marketplacesB2B catering marketplaceY CombinatorW15Acquiredchecked 2026-08-17
Moltin

eCommerce building blocks through simple APIs for websites & apps.…

Commerce and marketplaceseCommerce APIs and building blocksY CombinatorW15Acquiredchecked 2026-08-17
Nextop

Nextop optimizes the path between your app and backend. Client…

AI infra and computemobile CDN and network optimizationY CombinatorW15Inactivechecked 2026-08-17
NexTravel

NexTravel is a centralized travel booking platform that helps…

Commerce and marketplacesCorporate travel booking platformY CombinatorW15Acquired2026-08-23
NimbleRx

On-demand prescription delivery.

Consumerprescription delivery marketplaceY CombinatorW15Activechecked 2026-08-23
Nomiku

Wave our food in front of your Nomiku and have dinner for everyone…

Consumerconnected kitchen appliancesY CombinatorW15Inactivechecked 2026-08-17
Notable Labs

Personalized drug discovery for blood cancer.

Healthcare and biopersonalized drug discovery oncologyY CombinatorW15Public companychecked 2026-08-17
Numerion LabsAI

Artificial intelligence for drug discovery.

Healthcare and bioAI-powered drug discovery platformY CombinatorW15Activechecked 2026-08-23
Omniref

Sticky notes for code. (We're building a community-powered,…

Developer toolscode documentation and referenceY CombinatorW15Inactivechecked 2026-08-17
Open Listings

A better way to buy a home

Consumerreal estate marketplace for homebuyersY CombinatorW15Acquiredchecked 2026-08-17
Outbound

Create automated messages -- email, iOS/Android push, SMS and web…

B2B SaaSMarketing automation and customer messagingY CombinatorW15Acquiredchecked 2026-08-17
Pachyderm

Data Versioning, Data Pipelines, and Data Lineage

Data for AIdata versioning and pipeline orchestrationY CombinatorW15Acquiredchecked 2026-08-17
Pakible

We make it insanely easy to design, price, and manufacture custom…

Commerce and marketplacescustom packaging manufacturing marketplaceY CombinatorW15Inactivechecked 2026-08-17
Paperspace

Paperspace is a cloud platform for building and scaling AI…

AI infra and computeGPU cloud platform for AIY CombinatorW15Acquiredchecked 2026-08-23
Pigeonly

The affordable way to search, find & communicate with an incarcerated…

Consumerinmate communication platformY CombinatorW15Inactivechecked 2026-08-23
Platzi

Turning company knowledge into expert teams

B2B SaaSAI-powered corporate training and knowledge managementY CombinatorW15Activechecked 2026-08-23
Plotbox

Developer of cemetery management software designed to facilitate cemetery operation services. The company's software offers records management that brings all deceased records together into a quickly searchable database that includes images of headstones and paper records, generates pre and at-need contracts with ease, interprets financial data as well as manages all the administration related to burials, and cremations including finance and reporting, enabling clients to generate leads and revenue for cemeteries and improves service levels for families.

B2B SaaSCemetery operations management software500 Global500G GA 11Active, new domain2026-08-23
Pomello

Analytics software that helps companies measure organizational…

B2B SaaSorganizational culture analytics for recruitingY CombinatorW15Acquiredchecked 2026-08-17
Popular Pays

Software for collaborating with content creators and influencers

Commerce and marketplacesCreator-brand marketplace and collaboration platformY CombinatorW15Acquiredchecked 2026-08-17
Pretty Instant

Inventor of the first roaming-photo booth + pro photography platform

Commerce and marketplacesProfessional photography marketplaceY CombinatorW15Acquired2026-08-23
Priime

Priime is a company dedicated to advancements in technology around…

Consumerphoto quality and sharingY CombinatorW15Inactivechecked 2026-08-23
Quantierra

Sourcing investment real estate

Commerce and marketplacesReal estate sourcing and deal analysisY CombinatorW15Activechecked 2026-08-23
QventusAI

We automate operations for hospitals and health systems

Vertical AI agentsHospital operations automationY CombinatorW15Activechecked 2026-08-23
Rare Door

Empowering brick-and-mortar retailers to sell more and engage shoppers

Commerce and marketplaceslocal retail discovery marketplaceY CombinatorW15Inactive2026-08-23
Raven TechAI

Our vision is to build the next generation of iOS or Android, to…

AI infra and computeNext-generation OS with AIY CombinatorW15Acquiredchecked 2026-08-17
Razorpay

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

FintechFull-stack payments and financial services for Indian businessesY CombinatorW15Activechecked 2026-08-23
ReadMe

Beautiful, personalized, interactive developer hubs

Developer toolsdeveloper documentation and community platformY CombinatorW15Activechecked 2026-08-23
Remix

We’re building a platform to empower cities to plan the best possible…

B2B SaaSUrban planning and transportation softwareY CombinatorW15Acquired2026-08-23
ReplikaAI

Replika is an AI friend that you can talk to designed to make you…

ConsumerAI companion for mental healthY CombinatorW15Active, new domain2026-08-23
ReSchedule Med

We help medical residency programs create and manage their schedules,…

B2B SaaSMedical residency scheduling softwareY CombinatorW15Inactivechecked 2026-08-17
Rescue Forensics

Actionable human trafficking intelligence

Security and complianceanti-trafficking digital forensicsY CombinatorW15Inactive2026-08-23
ResolveAI

Software to accelerate construction by finding issues in 3D BIM

Robotics and physical worldAI-powered BIM issue detection for constructionY CombinatorW15Activechecked 2026-08-23
Sails Co.

Full-service web, mobile, & cloud studio providing professional…

Developer toolsWeb framework and studio servicesY CombinatorW15Activechecked 2026-08-23
Seed

Mobile banking for small business.

FintechMobile banking for SMBsY CombinatorW15Acquiredchecked 2026-08-17
Shasqi

Targeting Cancer with Click Chemistry

Healthcare and bioClick chemistry cancer therapeuticsY CombinatorW15Active-
Shift Labs

Makers of simple, affordable medical devices. Our award-winning…

Robotics and physical worldaffordable medical devicesY CombinatorW15Acquiredchecked 2026-08-24
Shift Messenger

Real-time communication solution for retail and restaurant employees.

B2B SaaSEmployee messaging for retailY CombinatorW15Acquired2026-08-23
SigOpt

SigOpt is an Optimization-as-a-Service platform that seamlessly tunes…

AI infra and computeML hyperparameter optimization platformY CombinatorW15Acquired2026-08-23
SIRUM

SIRUM is a “match.com” for unused medicine. We connect institutional…

Healthcare and biomedicine distribution and access platformY CombinatorW15Active4 open roleschecked 2026-08-24
Smarking

Digitize $655B parking industry

Commerce and marketplacesParking inventory and operations softwareY CombinatorW15Acquired2026-08-23
SmyteAI

Smyte stops bad actors on social networks and marketplaces.

Security and compliancefraud detection for marketplacesY CombinatorW15Acquiredchecked 2026-08-23
SparkGift

SparkGift makes it easy to send stocks and index funds as gifts to…

Fintechinvestment gifting platformY CombinatorW15Inactivechecked 2026-08-23
Spire Health

Remote patient monitoring for lung disease patients.

Healthcare and bioremote respiratory monitoring for chronic diseaseY CombinatorW15Acquiredchecked 2026-08-17
Spoil

Spoil is gifting for the Snapchat generation.

Consumersocial gifting marketplaceY CombinatorW15Inactivechecked 2026-08-17
Standard CyborgAI

Buid, test and deploy perception applications

Developer toolsComputer vision application development platformY CombinatorW15Inactivechecked 2026-08-23
Tab

Revolutionising the way travellers discover, plan and book a trip

Consumertravel discovery and booking marketplaceY CombinatorW15Activechecked 2026-08-23
Tara AIAI

Meet Tara AI, your new engineering efficiency co-pilot.

Developer toolsengineering metrics and efficiency copilotY CombinatorW15Activechecked 2026-08-24
TeamNote

Mobile Productivity(Slack for mobile workforces)

B2B SaaSTeam communication for mobile workforcesY CombinatorW15Active, new domain2026-08-24
Tech in Asia

Tech in Asia (YC W15) is the largest English-language technology…

Consumertech news and media platformY CombinatorW15Acquiredchecked 2026-08-23
Tempo

Live home fitness training powered by computer vision.

Consumerhome fitness computer visionY CombinatorW15Activechecked 2026-08-23
The Human Utility

The Human Utility seeks to eliminate water service disconnections for…

Consumerutility bill crowdfunding platformY CombinatorW15Activechecked 2026-08-23
ThinAir

Intelligent data security for teams

Security and complianceData security and access controlY CombinatorW15Inactivechecked 2026-08-17
Transcriptic

The robotic cloud laboratory for the life sciences.

Robotics and physical worldrobotic cloud laboratory for life sciencesY CombinatorW15Inactive2026-08-23
Underground Cellar

Upgrading Your Wine Experience

Consumerwine e-commerce marketplaceY CombinatorW15Inactivechecked 2026-08-23
Valor Water Analytics

Valor Water Analytics delivers a SaaS platform to utilities to detect…

Climate and energywater utility analytics platformY CombinatorW15Acquired2026-08-23
Vanhawks

We are making the smart carbon fibre commuting bike and platform for…

Consumersmart connected commuter bikesY CombinatorW15Acquiredchecked 2026-08-17
Vest

Bringing wider access to financial derivatives.

Fintechstructured products and derivatives accessY CombinatorW15Acquired3 open roleschecked 2026-08-24
VetPronto

On demand veterinary house calls.

Healthcare and bioon-demand veterinary house callsY CombinatorW15Inactivechecked 2026-08-24
WayUp

Marketplace for employers to recruit college students and recent grads

Commerce and marketplacesstudent recruitment marketplaceY CombinatorW15Acquiredchecked 2026-08-23
Wink Health

The digital sleep clinic

Healthcare and biodigital sleep apnea diagnosis and treatmentY CombinatorW15Inactive2026-08-23
WorkLife

WorkLife is a SaaS application that helps teams have more effective…

B2B SaaSMeeting productivity and agendasY CombinatorW15Acquiredchecked 2026-08-17