YC-Backed Companies
5,949 Y Combinator portfolio companies tracked in the Altss database. For each company, Altss surfaces which family offices have co-invested alongside YC.
Summer 2014
(50 companies)Hublo
Hublo is making data-driven marketing simpler. It's a super simple…

Hyperpad
Create, Share, Play Mobile Games on the iPad.

Impraise
Enable managers to create an effective work environment for their team
In Your Corner
We've transformed traditional therapy into an experience that is…
Kash
We are fixing how money works.

Lawn Love
Modern, on-demand lawn care service. Get a quote in two minutes.
consumer · United States
ListRunner
Replaces paper patient lists for doctors.

MTailor
Get measured by your phone in under 30 seconds for perfect fitting…
MetricWire
Mobile surveys for researchers

Naytev
Naytev automates paid and organic social media management in one place
media · United States

Neptune.io
A self-healing platform to enrich and fix server alerts automatically
Nightingale
App for managing care of autistic students
Greece

Oklo
Emission free, always on power from advanced fission power plants.

One Codex
Data platform for metagenomics and the microbiome.
Owners Circle
Kickstarter for local businesses
Paid
Autopilot for Accounts Receivable
Parenthoods
Communities for expecting and new parents.
consumer internet · United States
Payable
Simple payments and tax compliance for your contract workforce.

Permutive
Rebuilding data in advertising to protect privacy

PersistIQ
PersistIQ is a free email automation platform to send a small batch…

PicnicAI
Intelligence to accelerate human health.

Product Hunt
The best new products in tech
technology · United States

Protocol Labs
Protocol Labs makes internet protocols: IPFS, Filecoin, and more.

Ravti
Software to track, manage, and procure HVAC for commercial real…

Replenish
Keurig machine for smoothies.

Rigetti Computing
Quantum coherent supercomputing.
technology · United States

Roomstorm
Real time B2B hotel room marketplace for various industries…
Roost
Web push notifications.

SFOX
Crypto-currency trading platform.
fintech · United States
SalesSift
Intelligent Lead Sourcing

ShipBob
Providing Amazon level logistics to e-commerce businesses.
Shout
Real-Time Classifieds
Sliced Investing
Crowdfunding for hedge funds

SpotAngels
Waze for parking
SpringWit
Brain health and awareness
TAXA Biotechnologies
We enable cheaper, faster, and better genetic engineering of plants.…

Tenjin
Mobile marketing analytics and infrastructure
Think Gaming
We provide market data on the mobile games business to developers,…
Tinker
Digital Currency Market Making

Tule
Help farmers make irrigation decisions with sensors / computer vision
agriculture · United States
Unwind Me
Homejoy for massage

UserGems
The AI Command Center for outbound and ABM
VizeraLabs
Augmented reality through projectors

Weave
AI-assisted professional networking.
enterprise applications · United States
Whirl
Pay instantly with your fingerprint.

Women.com
Quora/Cosmo for women
Zen99
Tax and insurance tools for independent contractors
Zenamins
Personalized health company doing customized vitamin packs on…
Zip Phone
Whatsapp for voice
Zoomer
Outsourced, high volume food delivery.
technology · United States
Summer 2013
(52 companies)7cups
7 Cups is an emotional support service that matches up people that…
Amulyte
Remote monitoring & activity tracking system for seniors.

Apptimize
Apptimize lets mobile teams innovate faster to create an amazing user…
technology · United States

Arcus
Payment-as-a-service that helps any business launch payment solutions
Asseta
Marketplace for industrial spare parts and capital equipment.
enterprise
Audobox
Audobox is a developer and user friendly tool for in-app feedback.

BloomThat
Uber for Flowers.
Bop.fm
Canonical permalinks for songs.
Butter Systems
Replacing the paper restaurant menu with an interactive experience at…
Buttercoin
Bitcoin Marketplace
Casetext
We make the world's laws free and understandable.

CoreOS
Open source tools of modern distributed systems.

Cratejoy
Cratejoy is the platform for subscriptions
Crowdery
[Now Clara, YC S14- claralabs.com]
Datarank
Making sense of social data. (Acquired by SimplyMeasured.)

DoorDash
Restaurant delivery.
technology · United States

EasyPost
The shipping infrastructure of the internet.
Echo Locker
Android lock screen

Estimote, Inc.
Location intelligence platform
FanHero
technology · United States
Floobits
Real-time collaborative editing in the browser with support for…

Glio
Amazon Marketplace for Latin America
GoComm
Mobile communications platform for teams working on live events

Graft Concepts
Graft Concepts makes unique iPhone cases and other mobile accessories
Hackermeter
Replacing resume screening with code challenges.
Hum
A chat program that integrates with email, with presence.
Ixiplay
Engaging, expressive & Android hackable robot buddy for playful…
Kivo
Git for Documents
Layer By Layer
Acquired by MakerBot in February 2014. A marketplace for 3D…

Le Tote
Subscription service for women's apparel & accessories.

Lob
Lob is the only automation platform that transforms direct mail into…
LocalOn
Web marketing for SMBs & merchants associations.
Lumoid
We are a try before you buy service for consumer electronics.
consumer · United States
Meta
Augmented reality glasses.

One Month
One Month's affordable online bootcamps teach people how to code in…

Panorama Education
Improving education for every student.
education · United States
RealCrowd
Direct real estate investing marketplace
financial services · United States
Reebee
Flyer app.

Senic
Simple Controls for Sonos, Philips Hue and other Smart Home products
hardware · Germany

SimpleLegal
Legal Operations for corporate legal teams.
SoundFocus
We are giving you 20/20 hearing when listening to the devices you…
technology · United States
SpoonRocket
Meals Delivered in 10 Minutes
StackMachine
Instant sandboxed server environments

Standard Treasury
Banking APIs; acquired by Silicon Valley Bank in August 2015

StatusPage
The best way to communicate with users around downtime.
Teleborder
Dashboard for companies to manage immigration for their employees.

True Link
Financial Services for Financial Caregivers.
URX
Mobile ads that users like. Acquired by Pinterest in May 2016.
technology · United States
Watchsend
Videos of your iOS apps
WebCake
Marketing people modify site.

Webflow
Professional website design and publishing platform.
technology · United States
Weilos
Weight loss coaching.
Summer 2012
(83 companies)
9gag
Make the world happier.
media · Hong Kong
Airshared
TBD

Arc
aerial videography
industrials · United Kingdom
Assorted Bits
A mobile calendar for all the fun stuff you do with friends.

BackerKit
The only end-to-end crowdfunding platform built for today’s creators

Benchling
Unlocking the power of biotech with modern software for modern science
healthcare · United States
Boosted
Simple, fun, and fast electric vehicles.
BrainTripping
BufferBox
The future of package delivery. We are building a network of…
Canopy Labs
Canopy Labs automates customer analytics for small and medium-sized…
Celery
Celery is a platform for pre-orders (www.trycelery.com). Accept…

ClassDojo
Communication app for K-8 teachers, kids, and families
education · United States

Clever
The platform that powers technology in the classroom.
education · United States
Coco Controller
We're building a tactile gaming controller for mobile phones.

Coinbase
Buy, sell, and manage cryptocurrencies.
fintech · United States
Collections
Finder for the Cloud
Credictive
Attribution metatags for online content.

Crohnology (by Healthy Labs)
We turn Patients into Researchers.
DataNitro
We speed up Excel.
Double Robotics
Telepresence robots
Dreamforge
Simple 3d modeling software for 3d printers.
hardware · United States
Easel
Easel is a visual design tool built for the web. Since the web is…

Eligible
Insurance Billing APIs for Healthcare Businesses
healthcare · United States
Everyday.me
Everyday.me - Record your life. Store it forever.
FileStack
Acquired by Xenon Ventures.We enable website developers to hook into…

Flightfox
A platform to plan, book and manage global and group travel.
Framebase
API for video.

Fullstack Academy
Pioneer in immersive code education. Acquired by Zovio (NASDAQ: ZVO)…

FundersClub
Online VC
GetGoing
We are building a "transparent opaque" airfare and hotel booking site…
GoScale
Dynamical Scaling Virtual Machines as a Service

Grid
HealthSherpa
Private sector Healthcare.gov.
Hipset
The best way for artists to release new music and videos.
Hiptype
Hiptype is a marketing and analytics platform for eBooks. We can…
Human Dx
The Human Diagnosis Project.
Imgfave
A fun image sharing community.

Instacart
Marketplace for grocery delivery and pickup
consumer · United States
Kamcord
media · United States
Keychain Logistics
Software that connects the supply side of companies that ship product…

Kippt
Kippt is a social bookmarking service
Knowmia
Pandora meets Yelp for K-12 educational videos. We match each…
LeanMarket
Mobile advertising

Lever
Talent Acquisition Suite that combines ATS + Talent CRM
technology · United States

Light Table/Eve
Eve is our way of bringing the power of computation to everyone, not…

Markupwand
Convert Design files to working websites automagically
Mattermark
Big Data Meets Startup Investing The best tool for tracking and…

Mattermost
Secure Collaboration for Technical Teams
MicroEval
Changing the way companies review employee performance with…
Mth Sense
We're a mobile on-device profiling and ad-serving platform initially…
Natero
Data-driven customer success platform for B2B SaaS.

NewsBlur
NewsBlur is a personalized news reader

OctaveWealth
The 401(k) that helps you grow
OmniVirt
OmniVirt is the leading VR Advertising platform for brands and…
Parallel Universe
Helping developers scale their applications with ease.
Partnered
Partnered is a digital platform automating business development…

Pixate
Mobile application prototyping. Now part of Google.

Plivo
Voice AI Agents for customer engagement, including WhatsApp, SMS &…
Profig
The phone system for businesses. Manage everything from your company…

Rainforest
no-code end-to-end testing that integrates with any CI/CD pipeline
ReelSurfer
Clip and share any video from any website.
RegistryLove
Cross-store wedding registry.
Scoutzie
Scoutzie is a curated community for the best mobile designers. If…

SmartAsset
Marketplace connecting consumers to financial advisors
fintech · United States

Soylent
Soylent is a simple, nutritious, and affordable food that possesses…

Statwing
Dead simple statistical analysis software. Like R or SPSS but easy to…
technology · United States

Streem
Acquired by Box in June 2014. We built: (1) a native win/mac…
Study Edge
Acquired by Carlyle. Edtech and other technology

Submittable
The best way to launch, manage and measure social impact programs

Svbtle
A publishing platform.
consumer internet · United States

Tastemaker
Interior design marketplace and online retailer
Testmunk
Automating mobile app testing.

Thread
Thread makes it incredibly easy to dress well, using stylists and AI
TomoGuides
Mobile travel guides done right. Personalized, context-aware, and…

Upwave
Marketing analytics for the world's biggest brand marketers
Vastrm
Mass customized active apparel. We are building a full turn key…

Vayable
We're building a marketplace for unique travel experiences (it's…
travel and hospitality tech · United States
Viacycle
viaCycle makes simple, inexpensive bicycle sharing systems that allow…
Virool
Virool provides native video advertising experience for the biggest…

VoiceGem
Voice messaging platform - Acquired by Palantir in 2013

Zapier
The easiest way to automate your work.
technology · United States

Zentail
We're making ecommerce simple connecting brands with sales channels
ZeroMailer
Easy mailing lists
Summer 2011
(15 companies)
AgileMD
Predictive analytics and clinical pathways for hospitals
Aisle50
Grocery deals.

Apollo
Apollo helps engineering teams accelerate delivery
Automatic
Automatic connects your car to the rest of your digital life.
consumer tech · United States

Caviar
Uber for food.

Citus Data
Real-time. Big data. PostgreSQL
technology · United States

Clerky
Makes legal paperwork easy for startups and their attorneys.
Clutch
An easy to integrate library for native iOS applications designed to…

Codecademy
The leading online learning platform for technical skills.
technology · United States
Compose
We make it easy to run databases. PostgreSQL, Redis, MongoDB,…
technology · United States

Cryptoseal
Server key management, VPN as a Service, Privacy VPN. Sold to…
technology · United States
Debteye
Automate credit counseling.
Draft
Making Draft. Super simple version control and collaboration for…

Dubjoy
Dubjoy translates and voice-overs your video to any language
Embark
Public transit apps. Acquired by Apple in 2013.
Which family offices back YC companies?
Altss tracks family office deal activity across the YC portfolio. Request access to see investor-level data, round participation, and LP mandates.