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.
Winter 2021
(200 companies)
GreaseBoss
GreaseBoss verifes industrial machinery is greased correctly

Great Question
User research on autopilot.

Greywing
The Operating System for Maritime
technology · Singapore

Gridware
Protecting the grid today, preparing the grid for tomorrow

GroMo
App for independent agents to sell financial products in India
financial services · India

H3X Technologies
The lightest electric aircraft motors in the world.

HUBUC
Global Card Issuing and Payment Processing Engine
fintech · Spain

Hapi
Stocks and cryptos trading app with zero commissions and no minimums…

Haystack
Delivery Analytics for Software Teams

Hermes Robotics
Autonomous street sweeping as a service by retro-fitting vehicles

HomeBreeze
The fastest and easiest way to make home upgrades

Homebase
Personalized rent-to-own real estate financing using technology in SEA
fintech · Vietnam

Houm
All-in-one real estate marketplace for Latin America

Howdy.com
We help US tech companies hire and manage software engineers in LATAM

Huddlefire
Turbocharge customer acquisition through exclusive SaaS partnerships

Hudu
The Most-Loved IT Documentation Platform

Humaans
AI-Powered HRIS for high performing teams

HyperGlue
Business intelligence on text

Infracost
Shift FinOps Left: Proactively Find & Fix Cloud Cost Issues
cloud infrastructure · United Kingdom

InpharmD
We provide a curated, evidence- based answer to any clinical question.

Invoid
Create identity verification workflows the way you want

Jetdocs
Collaborative ticketing that integrates into Teams and Slack

Jiga
Source better parts by partnering directly with vetted manufacturers

JoinSub
India's first aggregator and provider of local business subscriptions

Journey
No code platform for sales to tell better stories and win more deals.

Juicy Marbles
Juicy marbles makes thick juicy and marbled plant based steaks.
healthcare · Slovenia

June
June is the new way to do product analytics
business/productivity software · France

Kanda
Affirm for general contractors

Kidato
Online school for K12 education in Africa

Kilobaser
Desktop DNA Printer. The Nespresso Machine for DNA.

Kitemaker
A faster and more collaborative alternative to Jira for remote teams

Kiwify
Create & sell online courses

Kodo
Corporate card & spend management platform for Indian startups
fintech · India

Krab
Instant loans for trucking companies in India

Kredi
Rocket Mortgage for LatAm.
fintech · Mexico

Lalabox
Live stream shopping for beauty products

Lamar Health
Take Care of Shitty Paperwork for Expensive Drugs

Laudspeaker
Open source mobile marketing platform. Alternative to appcues /…

Launcher Labs
Maker of consumer crypto apps: Launchcaster, Frameboard, Maindrop

Lendflow
Embedded lending infrastructure for software companies

LightTwist
Record video in a photorealistic virtual studio all from your browser

Lion Pose
Clinical skincare tested on diverse skin, now available in Sephora.

LiveFlow
The Unified AI-ERP & FP&A Platform
fintech · United Kingdom

Logica
Visual, collaborative financial modeling software

LogisticsOS
World's fastest and most optimal route optimization engine

Lovd
It's not used, it's Lovd.

Lunatic
Operating System for server-side apps

Lygg
Building New Anti-Aging Ingredients for Skincare

Machine26
Marketplace for construction machines

MagicBell
The notification inbox for web/mobile applications.

Manara
Connecting top Middle East talent to global tech jobs

MarcoPolo
Alibaba for Latin America

Mayan
A growth automation platform for Amazon sellers

Measured
Telemedicine platform for chronic conditions like obesity

MedMe Health
Software for pharmacies to move beyond dispensing
healthcare · Canada

MeetAnyway
We help run engaging online conferences.

Mendel
Workflows to empower employees to spend while finance stay in control

Meru.com
The one-stop-shop for auto-parts in Mexico.

Mezli
Autonomous restaurants that make great, affordable meals.

Milk Video
Create video testimonials with a link
technology · United States

MindPortal
Thought-to-Language AI Models
other hardware · United States

Mindee
AI Document Understanding API

ModernLoop
ModernLoop helps teams automate and streamline recruiting operations

Moichor
AI Powered Animal Diagnostics

Mono
Plaid for Africa, but better.
financial services · Nigeria

Moonshot Brands
Buy and grow profitable e-commerce companies selling on Amazon and DTC
consumer · United States

Moonvalley
Building the next generation AI creative studio

Morada Uno
We underwrite and insure house rentals in Latam

Moxion Power Co.
Mobile Energy Storage Technology

My NextDerma
Dermatology telehealth app for LatAm

Mystic
Low latency API to run and deploy ML models

Mythia
Rewards card for gamers

Nano Technologies
Payroll app to pay workers daily for retailers & manufacturers in SEA

Navattic
Interactive product demos

Neverland
The first online home garden and lawn marketplace

NextPay
The digital bank for small businesses in the Philippines.

Nimbus
Nimbus reduces Datadog costs by more than 60% without Manual Effort

Nirva
The lifestyle medicine layer for clinicians.

Noble
Risk decisioning platform

Nourish
Telehealth dietitians covered by insurance
healthcare · United States

Noya
Radically reducing capital costs and build time for direct air capture

Nuntius Therapeutics
Cell-specific genetic medicines

Observa
Catch accidental database exposures before the bad guys

OctiFi
Buy Now Pay Later for Southeast Asia

OlaClick
Restaurant Solution (E-commerce via WhatsApp + POS + CRM/Marketing)
consumer · Peru

Ollama
Get up and running with large language models.
technology · United States

Ontop
Simplifying hiring and payments for the global workforce

Orbillion Bio
Tasty and scalable cultivated meat at price parity
food and agriculture tech · United States

Outfit
DIY renovations in a box. Materials, tools, and instructions delivered

Pagaloop
Pay, Get Paid and Extend Cash Flow using your Credit Card as…

Pangea.app
Hire Fractional Marketing + Design Talent
enterprise applications · United States

Parsagon
AI to track and analyze public policy

Partnered
The network where sales teams connect to share customer introductions.

Pensil
New-Age White Label Community Platform SDKs and APIs for Games,…

Per Diem
The AI operating system for restaurants

Pesto

Phoenix
Canada's digital health clinic for men

Pibit.ai
The fastest path from submission to better decisions.
fintech · India

PingPong
Video messaging app for remote teams.

PipeBio
PipeBio is a SaaS bioinformatics platform to develop antibody drugs.

Platypus
The Distributed Data Operating System

Playmaker
Community for fantasy sports players

Poliglota
The online language school for Latam, with groups led by an instructor

Popl
Your Complete In-Person GTM Platform
technology · United States

PowerRouter
PowerRouter helps sales teams with lead routing in Salesforce

Pragmatic Leaders (Ankai Inc)
AI-powered Corporate Training: Faster, Smarter, and More Effective

Preki
Shopify for LatAm

Prendea
Live afterschool classes for Spanish-speaking kids ages 4 to 15.

Prequel
Helping B2B co's sync data to their customers

Procoto
Self-service RFP management

Promoted.ai
Dramatically better search and ads for marketplaces

Prospa
Banking for businesses

Pry Financials
Finance for Founders
fintech · United States

Purpose Finance
Accelerating the shift to a more transparent economy

Pyroscope
Open source continuous profiling software to debug performance issues

Quadrant Eye
Breaking new ground in online eyecare.

Quadrant Health
Analyzing EHR and messaging data to predict disease before it occurs.

Queenly
Leading marketplace for formalwear
consumer · United States

Quicknode
Tools & infra to build and scale high-quality blockchain applications.

QuotaBook
Equity management platform for startups and investors.

R.care
#1 Science backed eating disorder recovery program.

R2
Embedded lending infrastructure

REGENT
All-electric seagliders for fast, affordable regional transportation
technology · United States

ROGER
The Best Way to Sign Contracts Since Handshakes. Roger that.

Reclaim Protocol
User data verification across Employment, Academic Creds, Retail…

Recover
Government-funded online addiction treatment

Redcliffe Lifetech
Redcliffe Labs is India's Largest Omni-channel Diagnostics platform
healthcare · India

Rejoy Health
AI-powered healthcare information

Remora
Carbon capture for vehicles

Reshape Biotech
Robots that automate the everyday tasks of microbiologists.
healthcare · Denmark

Resquared
Marketing automation platform for selling to local businesses.
business productivity · United States

Rethoric
LinkedIn ghostwriting for founders to busy to post consistently

Rinsed
Software to run car washes moving to a monthly subscription model

RocketSDR
AI Native Sales Outreach Platform

Roin Technologies
Building robots to automate commercial concrete construction.

Routine
AI-native all-in-one workspace for startups

Rulebricks
Add powerful decision-making capabilities to any automated workflow.

Runway
Easier and more reliable mobile app releases for teams.

SBX Robotics
Synthetic data for better vision.

SST
For whatever you build.

Seer
Sell beyond the store.

Segments.ai
Build better computer vision models by building better datasets

Sendbox
Fulfillment by Amazon for African merchants

Serna Bio
Genetic Medicine with Small Molecules

Shepherd
Modernizing commercial insurance

SigNoz
Open source alternative to DataDog

Simplify
Helping a billion people build their dream career

Sivo
Debt as a service for companies to lend money to their users at scale.

SlashAuth
The solution for fine-grained access control in web3

Smartcuts
Chrome extension to turn clicks & keystrokes into no-code automations

Solo
We help people resolve debt.

Somos
Internet for the urban developing world.

Soraban
AI Tax Workflow for accounting firms

Spline
Design and collaborate in multiple dimensions.
technology · United States

Spokn
AI-powered video platform for Internal Comms and HR teams
technology · United States

SpruceID
SpruceID lets users control their data across the web.
fintech · United States

Stacksi
Automated Answers to Security Questionnaires

Stayflexi
Operating System for Hotels and Vacation Rentals

Stoke Space
Seamless mobility to, through, and from space. It starts with 100%…
defense tech · United States

Striga
Compliant Crypto and Banking Infrastructure
fintech · Estonia

Supadock
AI workers for logistics operations

Svix
Enterprise ready webhooks service, open-source and in the cloud
developer tools · United States

Swadesi Way
Healthy organic food that creates a positive impact

SwiftSku
Management and analytics software for convenience stores

Taloflow
Better, faster tech vendor research

TaoFi
The financial layer for decentralized AI

Taste
Online marketplace for dinners shipped from great restaurants

TechBiz
MIS on mobile for SMB's in India

Terapify
Online therapy platform for the Spanish-speaking market

Terra API
API for developers to access health data

Text Blaze
Slash commands anywhere

The Third Place
Subscriptions for neighborhood businesses

Tilt
Bringing the joy of cycling to millions of Indians
fintech · United States

Tint
Makes it easy for tech platforms to embed insurance into products

Topkey

Topline Pro
Generative AI powered Shopify for home service professionals

Tractian
Physical AI for asset-heavy industries

Treinta
Software and AI tools for SMBs in the US and Latin America

Trela
Your one-stop shop to eat well in Brazil

Trendpop
Discover trends as they happen

Trestle Biotherapeutics
Bioengineered kidneys for patients with kidney failure

Triomics
AI Agents for Oncology EHRs

Triplit
The best database for app developers

True3D Labs
AI that expands any video to fit any screen.

Tupelo
Marketplace for small business M&A

Turing College
AI-driven online tech school for busy professionals
education · Lithuania

UPchieve
Connecting low-income HS students with free, 24/7 online tutoring

Udhaar App
We're Khatabook / OkCredit for Pakistan

Uiflow
No-code platform for enterprise software companies

Unfurl
A virtual food hall that delivers

Unschool
Learn, Intern and become Industry-Ready

Valink Therapeutics
Discovering bispecific antibody drug-conjugates (BsADC) against cancer

Vapi
Voice AI for developers.

Veera Health
We treat women with Polycystic Ovary Syndrome in India
healthcare · India

Vendease
Where restaurants in Africa buy food supplies
consumer · Nigeria

Venu AI
Meet qualified leads in person by automating conference production

Verak
Better Business Insurance for MSMEs in India
enterprise applications · India

Version Story
GitHub for lawyers

Voosh
Making Restaurants more data-driven!

Wasp
Configuration language for building enterprise web apps 10x faster
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.