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 2020
(132 companies)
Inspectify
Home Inspections, Simplified

Intelligent
Demand Forecasting as a Service

Jam.gg (formerly Piepacker)
Jam.gg, play couch games online with friends

Jeevam Health
Digital holistic care for complex chronic conditions

Jeeves
International banking infrastructure for global startups.

Jemi
Jemi helps people build beautiful websites and stores.

Jitsu
Capture Event Data into Your Stack

Justo
Helps restaurants take online orders directly from customers

Kernal Biologics
Kernal is creating mRNA 2.0 therapies that work in specific cells

KeyDB
The only database you'll ever need
technology · Canada

Kingdom
Natural functional ingredients that actually work

Known Medicine
Combining 3D cell culture & AI to translate drugs to clinical success

LSK Technologies
A diagnostic lab in a box

Ladder
Labor Marketplace for Construction

Laylo
The CRM powering iconic musicians and events
technology · United States

Lendtable
We give employees cash advances for their 401k match and ESPP
financial software · United States

Letter
Beautifully designed banking for high net-worth individuals.

Lightdash
The open source Looker alternative
enterprise applications · United Kingdom

Liyfe
Digital Nurse to Automate Symptom Assessment and Risk…

Lume

Luminai
Luminai helps automate repetitive manual work away from your mission…
technology

Mailwarm
Prevents your emails from landing in spam.
technology · France

MarketForce
The SuperApp for neighbourhood merchants in Africa.

Matter
Building the future of reading

MedPiper Technologies, Inc
Instant cash payouts for delayed flights

Memberstack
Build a custom SaaS or membership site with Webflow or Wordpress

Memo
Memo is modern communication that helps you get your focus back

Mesh
Performance management platform that fits the way you work
technology · United States

Metamanagement
We help SaaS companies deploy into their customer's environment.

MilkRun
Get Food From Farmers, Delivered.

Minimum
Helping corporates achieve Net Zero through tech solutions.

Mito
Cursor for data analysis

Mobius Materials
The spot market for semiconductors
industrials · United States

Momence
Scheduling and payments for experiences

Monosi
Open Source Data Observability

Mozart Data
The easiest way to set up a modern data stack

Mozper
A debit card and app designed for kids and parents in Latin America

Nabla Bio
We use AI to design antibodies for intractable diseases

Nephrogen
Curative genetic medicines for kidney diseases

Nestybox
Enables Linux containers to act as super fast & efficient VMs

Nextera Robotics
AI-native Robotics

Nextstore
Mobile optimized storefronts for Shopify

Notabene
The Notabene platform is the trust layer for global money movement.

Nototo
A workspace with a spatial interface

Novel
Novel is your international business bank account

Oico
B2B marketplace for construction material in Brazil.

Omni
Fast, up-to-date answers for Sales & Support

OneKey
Find the most profitable sites to build EV charging station

Openbase
Open-source library discovery

Orange Health Labs
India's Fastest Diagnostics Service
healthcare · India

Osmind
Platform for breakthrough mental health research and treatment
healthcare · United States

Overfit
Human coach for accountability + AI for personalized workouts

PANADATA
We run background checks on businesses using data from public records…

Parade
Launch your company without hiring a designer

Pardes Biosciences
We break viruses

Parrot Software 🦜
The operating system for restaurants in LatAm.

Pave
Plan, communicate, and benchmark your compensation in real-time.
technology · United States

Payflow
AI FP&A Agent for insights, reports, planning and forecasting.
fintech · Spain

Photoroom
Power commerce photography with generative AI

Plerk
Acquired by Minu.mx - Fintech solutions for employees, starting with…
hr tech · Mexico

Porter
Easiest way to deploy on AWS/GCP/Azure

PowerUs
LinkedIn for skilled blue-collar workers
hr tech · Germany

Quell
Get fit fighting your way through a fantasy world.
media · United Kingdom

QuestDB
The fastest open source time series database

Queue
All-in-one platform for agencies to launch and grow

RTCanary
We are a monitoring and analytics plugin for all video chat platforms.

Racer
15-minute food delivery

Rally
Rally is Zoom for social events

Rarebird
Elevating mental health to be a part of your daily coffee ritual.

Ready
Collaborative platform for optimizing regulated utilities such as…

Recurrency
Automated ERP for distributors.

Reflect
No-code test automation for web apps
devtools · United States

Reploy
Instant, shareable staging environments

Response
Turn customer emails into ERP-ready orders.

Riogrande
We buy and grow D2C brands in LatAm
consumer · Mexico

Roboflow
🖼️ Give your software the sense of sight.

Rume
Video chat that doesn't feel like work

SafeBase
Trust Center platform that scales customer security reviews
technology · United States

Safepay
Digital payments for businesses in Pakistan

Salesform
Qualify, route, and convert more inbound leads

Sameplan
Customer-facing plans for sales teams and their prospects.

Scrimba
We turn people into hireable devs for 1% of the price of code…

Seal
All-in-one workspace for companies making regulated products

Seam
API for IoT Devices

Shuttle
Build Backends. Fast.
enterprise infrastructure · United Kingdom

SiPhox Health
Wearable and At-Home health monitoring with silicon photonic chips
healthcare · United States

Skio
Subscriptions for Shopify
technology · United States

SockSoho
Building world's largest men fashion brand powered by technology
consumer · India

Sonar
Minecraft meets Discord

Speedscale
Accelerate development by simulating production conditions with real…

Spenmo
A spend management software that provides businesses visibility,…
technology · Singapore

Stacker
Turns spreadsheets into internal apps and customer portals
technology · United Kingdom

Statiq.
India's Largest EV charging network

Streamdal
Data Quality & Playback Platform

Strive School
Training the next generation of software engineers in Europe 🇪🇺

Supabase
Build in a weekend. Scale to millions.
enterprise infrastructure · Singapore

SuperTokens
Open source alternative to Auth0 / AWS Cognito / Firebase Auth

Swif.ai
The guardrail for AI on every device

Synapticure
We deliver personalized medicine for neurodegenerative patients

TANGObuilder
TANGObuilder automates structural engineers jobs.

Taktile
Transform your decision-making with reliable AI agents in weeks, not…

Tappity
World's largest library of interactive lessons for kids

Tella
The all-in-one screen recorder.
enterprise applications · Netherlands

Thndr
Investment platform for MENA individuals
fintech · Egypt

Todos Comemos
Taking from 1 to 100 the premade food industry in LATAM

Together Video Chat
Interactive video chat made for kids and families

Trident Bioscience
Accelerating protein engineering.

Tydo
Turn your data into intelligence

TyltGO
TyltGO powers retailers with same-day delivery.
industrials · Canada

Ukama
Empowering anyone to build cellular network

Unfaze AI
Create stunning product images and short-form promotional videos 10x…

Vectrix
Scan your SaaS apps and instantly identify security issues
technology · United States

Vena Vitals
A small sticker that monitors blood pressure continuously

VenoStent
Absorbable wrap for blood vessels

Verifiable
API for healthcare compliance

Virtually
The "Shopify" for Online Schools
education · United States

Vitable Health
Affordable care via ICHRA and primary care with visits, meds, labs…
healthcare · United States

Volopay
Brex for South East Asia - Corporate cards & automated payments.
fintech · Singapore

WareIQ
Amazon-prime like logistics for eCommerce companies in India

Warmly,
Autonomous sales platform to auto-email your warmest leads
technology · United States

Workbase
Data & workflow platform for B2B account teams

Yotta
Save money and win prizes up to $10m through weekly number draws.
fintech · United States

Zip
The future of B2B spend
fintech · United States

Zitara Technologies, Inc.
Predictive battery management software for electrified fleets

Zuddl
Zuddl is a modular platform for events and webinars that helps event…

adyn
The first test designed to prevent birth control side effects

buildspace
we're the place where people build cool shit.

doola
Business-in-a-Box™ for LLCs
fintech · United States

inFeedo AI
AI to engage employees, predict attrition and automate HR/IT support

inSoma Bio
Helping Plastic Surgeons Rebuild Fat

twoplus fertility
An effective home-use fertility treatment for natural conception

webapp.io
Build webapps faster with 10x better CI/CD + preview envs
Summer 2019
(68 companies)
Actiondesk
Access all your live data in one place

Adla
Department store for e-commerce

Alana
Staff management software for retail, manufacturing and hospitality

Apero Health
Modern medical billing

Apurata
Point of sale financing for Latin America's middle class.

Arpeggio Bio
Arpeggio Bio develops drugs targeting transcription factors using AI…

Asher Bio
We build better immunotherapies

Aspect
Build UI fast.

AudioFocus
Hearing aids that work in noisy places, like restaurants, using ML.

Banner
Banner makes software for CRE owners to manage capital spend

Bayes

Beacons
An AI-powered, all-in-one business platform for content creators
technology · United States

Binks
A zero inventory, zero returns factory-to-consumer apparel company

Blair
Financing education through Income Share Agreements

Blockstamp
Blockstamp is an asset management software for industrial equipment

Boost Biomes

Bouncer
SDK for scanning and verifying credit cards and photo IDs in mobile…

Brave Care
Modern healthcare for kids. Pediatric Primary, Urgent & Remote Care.

Breadfast
Household needs, from bread to everything.
technology · Egypt

BuildStream
Workforce solutions for the construction industry

Bun
Bun is an incredibly fast all-in-one JavaScript toolkit

Canix
Canix makes it easy to get and stay compliant as a cannabis business.

CoLab
Human and AI design review for hardware
technology · Canada

Coco Wallet
Your global dollar account powered by stablecoins

Compound
Compound is a wealth manager for people who work at tech companies.

Courier
The fastest way for developers to build notifications for their app.
enterprise infrastructure · United States

Covela
The digital insurance broker for SMEs in LATAM
fintech · Mexico

Cuboh
We help restaurants manage their online orders.
technology · Canada

Curri
Construction & industrial logistics platform.

Dashblock
Turn any website into an API

Data Mechanics
Spark-on-Kubernetes Data Engineering Platform

Deepnote
A better data science notebook.

Demand Curve
Learn how to build a scalable growth engine

Dex
Dex is a personal CRM that reminds you to keep in touch with the…

Digi-Prex
Subscription pharmacy for patients with chronic diseases
healthcare · India

DirectShifts
Helping healthcare workers find their next career opportunity

Dover
Your startup's all-in-one recruiting solution

Downtobid
Using AI to understand construction plans faster.

EARTH AI
Predictive Explorer and Driller for Critical Metal Deposits

EPIC AEROSPACE
Last-mile delivery for satellites.

Eden Farm
Delivering fruits and vegetables to multi-segment restaurants and…

Elpha
Professional network for women
social · United States

Embrace
Modern user-focused observability built on OpenTelemetry
technology · United States

Encepheal Therapeutics
EncepHeal develops medications to treat substance abuse, starting…

Ever Loved
Helping families plan and pay for funerals.

FamPay
India’s first neobank for teenagers
fintech · India

FeaturePeek
Supercharged deployment previews for all.

Fit to Form
Fit to Form is a site where women shop for dresses based on their…

Flo
The talent platform for legal

Flow
Improve your browsing experience by staying organized and intentful
Flowbot
A natural language-driven programming assistant.

Flux
Flux is building the payment network for alternative payments in…

Freshpaint
Customer data collection, safeguarding, & activation for healthcare
technology · United States

Fynn
SoFi for trade students
fintech · United States
GEn1E Lifesciences
AI platform accelerating therapies for rare & inflammatory diseases.

Gaiascope
SaaS that helps renewables & energy storage operate more profitably

Gamebytes
Chat game universe

Gather
Building a better way to meet online.

GitStart
Pull Requests as a Service

Gotrade
Robinhood for Southeast Asia (SEA)
fintech · Singapore

Green Canopy NODE
Green Canopy NODE builds sustainable homes fast.

Hatchways
We make engineering interviewing look more like real work.

Heru
Tax Automation Infrastructure

Hey Healthcare

Hightouch
The leading Composable CDP and AI Decisioning platform
technology · United States

Holy Grail

Hutsy
Home Buying on Autopilot

Hype and Vice
Fashionable college, NBA and MLS apparel.
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.