Y Combinator Portfolio

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 logo
W21

GreaseBoss

GreaseBoss verifes industrial machinery is greased correctly

Great Question logo
W21

Great Question

User research on autopilot.

Greywing logo
W21

Greywing

The Operating System for Maritime

technology · Singapore

Gridware logo
W21

Gridware

Protecting the grid today, preparing the grid for tomorrow

GroMo logo
W21

GroMo

App for independent agents to sell financial products in India

financial services · India

H3X Technologies logo
W21

H3X Technologies

The lightest electric aircraft motors in the world.

HUBUC logo
W21

HUBUC

Global Card Issuing and Payment Processing Engine

fintech · Spain

Hapi logo
W21

Hapi

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

Haystack logo
W21

Haystack

Delivery Analytics for Software Teams

Hermes Robotics logo
W21

Hermes Robotics

Autonomous street sweeping as a service by retro-fitting vehicles

HomeBreeze logo
W21

HomeBreeze

The fastest and easiest way to make home upgrades

Homebase logo
W21

Homebase

Personalized rent-to-own real estate financing using technology in SEA

fintech · Vietnam

Houm logo
W21

Houm

All-in-one real estate marketplace for Latin America

Howdy.com logo
W21

Howdy.com

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

Huddlefire logo
W21

Huddlefire

Turbocharge customer acquisition through exclusive SaaS partnerships

Hudu logo
W21

Hudu

The Most-Loved IT Documentation Platform

Humaans logo
W21

Humaans

AI-Powered HRIS for high performing teams

HyperGlue logo
W21

HyperGlue

Business intelligence on text

Infracost logo
W21

Infracost

Shift FinOps Left: Proactively Find & Fix Cloud Cost Issues

cloud infrastructure · United Kingdom

InpharmD logo
W21

InpharmD

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

Invoid logo
W21

Invoid

Create identity verification workflows the way you want

Jetdocs logo
W21

Jetdocs

Collaborative ticketing that integrates into Teams and Slack

Jiga logo
W21

Jiga

Source better parts by partnering directly with vetted manufacturers

JoinSub logo
W21

JoinSub

India's first aggregator and provider of local business subscriptions

Journey logo
W21

Journey

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

Juicy Marbles logo
W21

Juicy Marbles

Juicy marbles makes thick juicy and marbled plant based steaks.

healthcare · Slovenia

June logo
W21

June

June is the new way to do product analytics

business/productivity software · France

Kanda logo
W21

Kanda

Affirm for general contractors

Kidato logo
W21

Kidato

Online school for K12 education in Africa

Kilobaser logo
W21

Kilobaser

Desktop DNA Printer. The Nespresso Machine for DNA.

Kitemaker logo
W21

Kitemaker

A faster and more collaborative alternative to Jira for remote teams

Kiwify logo
W21

Kiwify

Create & sell online courses

Kodo logo
W21

Kodo

Corporate card & spend management platform for Indian startups

fintech · India

Krab logo
W21

Krab

Instant loans for trucking companies in India

Kredi logo
W21

Kredi

Rocket Mortgage for LatAm.

fintech · Mexico

Lalabox logo
W21

Lalabox

Live stream shopping for beauty products

Lamar Health logo
W21

Lamar Health

Take Care of Shitty Paperwork for Expensive Drugs

Laudspeaker logo
W21

Laudspeaker

Open source mobile marketing platform. Alternative to appcues /…

Launcher Labs logo
W21

Launcher Labs

Maker of consumer crypto apps: Launchcaster, Frameboard, Maindrop

Lendflow logo
W21

Lendflow

Embedded lending infrastructure for software companies

LightTwist logo
W21

LightTwist

Record video in a photorealistic virtual studio all from your browser

Lion Pose logo
W21

Lion Pose

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

LiveFlow logo
W21

LiveFlow

The Unified AI-ERP & FP&A Platform

fintech · United Kingdom

Logica logo
W21

Logica

Visual, collaborative financial modeling software

LogisticsOS logo
W21

LogisticsOS

World's fastest and most optimal route optimization engine

Lovd logo
W21

Lovd

It's not used, it's Lovd.

Lunatic logo
W21

Lunatic

Operating System for server-side apps

Lygg logo
W21

Lygg

Building New Anti-Aging Ingredients for Skincare

Machine26 logo
W21

Machine26

Marketplace for construction machines

MagicBell logo
W21

MagicBell

The notification inbox for web/mobile applications.

Manara logo
W21

Manara

Connecting top Middle East talent to global tech jobs

MarcoPolo logo
W21

MarcoPolo

Alibaba for Latin America

Mayan logo
W21

Mayan

A growth automation platform for Amazon sellers

Measured logo
W21

Measured

Telemedicine platform for chronic conditions like obesity

MedMe Health logo
W21

MedMe Health

Software for pharmacies to move beyond dispensing

healthcare · Canada

MeetAnyway logo
W21

MeetAnyway

We help run engaging online conferences.

Mendel logo
W21

Mendel

Workflows to empower employees to spend while finance stay in control

Meru.com logo
W21

Meru.com

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

Mezli logo
W21

Mezli

Autonomous restaurants that make great, affordable meals.

Milk Video logo
W21

Milk Video

Create video testimonials with a link

technology · United States

MindPortal logo
W21

MindPortal

Thought-to-Language AI Models

other hardware · United States

Mindee logo
W21

Mindee

AI Document Understanding API

ModernLoop logo
W21

ModernLoop

ModernLoop helps teams automate and streamline recruiting operations

Moichor logo
W21

Moichor

AI Powered Animal Diagnostics

Mono logo
W21

Mono

Plaid for Africa, but better.

financial services · Nigeria

Moonshot Brands logo
W21

Moonshot Brands

Buy and grow profitable e-commerce companies selling on Amazon and DTC

consumer · United States

Moonvalley logo
W21

Moonvalley

Building the next generation AI creative studio

Morada Uno logo
W21

Morada Uno

We underwrite and insure house rentals in Latam

Moxion Power Co. logo
W21

Moxion Power Co.

Mobile Energy Storage Technology

My NextDerma logo
W21

My NextDerma

Dermatology telehealth app for LatAm

Mystic logo
W21

Mystic

Low latency API to run and deploy ML models

Mythia logo
W21

Mythia

Rewards card for gamers

Nano Technologies logo
W21

Nano Technologies

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

Navattic logo
W21

Navattic

Interactive product demos

Neverland logo
W21

Neverland

The first online home garden and lawn marketplace

NextPay logo
W21

NextPay

The digital bank for small businesses in the Philippines.

Nimbus logo
W21

Nimbus

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

Nirva logo
W21

Nirva

The lifestyle medicine layer for clinicians.

Noble logo
W21

Noble

Risk decisioning platform

Nourish logo
W21

Nourish

Telehealth dietitians covered by insurance

healthcare · United States

Noya logo
W21

Noya

Radically reducing capital costs and build time for direct air capture

Nuntius Therapeutics logo
W21

Nuntius Therapeutics

Cell-specific genetic medicines

Observa logo
W21

Observa

Catch accidental database exposures before the bad guys

OctiFi logo
W21

OctiFi

Buy Now Pay Later for Southeast Asia

OlaClick logo
W21

OlaClick

Restaurant Solution (E-commerce via WhatsApp + POS + CRM/Marketing)

consumer · Peru

Ollama logo
W21

Ollama

Get up and running with large language models.

technology · United States

Ontop logo
W21

Ontop

Simplifying hiring and payments for the global workforce

Orbillion Bio logo
W21

Orbillion Bio

Tasty and scalable cultivated meat at price parity

food and agriculture tech · United States

Outfit logo
W21

Outfit

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

Pagaloop logo
W21

Pagaloop

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

Pangea.app logo
W21

Pangea.app

Hire Fractional Marketing + Design Talent

enterprise applications · United States

Parsagon logo
W21

Parsagon

AI to track and analyze public policy

Partnered logo
W21

Partnered

The network where sales teams connect to share customer introductions.

Pensil logo
W21

Pensil

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

Per Diem logo
W21

Per Diem

The AI operating system for restaurants

Pesto logo
W21

Pesto

Phoenix logo
W21

Phoenix

Canada's digital health clinic for men

Pibit.ai logo
W21

Pibit.ai

The fastest path from submission to better decisions.

fintech · India

PingPong logo
W21

PingPong

Video messaging app for remote teams.

PipeBio logo
W21

PipeBio

PipeBio is a SaaS bioinformatics platform to develop antibody drugs.

Platypus logo
W21

Platypus

The Distributed Data Operating System

Playmaker logo
W21

Playmaker

Community for fantasy sports players

Poliglota logo
W21

Poliglota

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

Popl logo
W21

Popl

Your Complete In-Person GTM Platform

technology · United States

PowerRouter logo
W21

PowerRouter

PowerRouter helps sales teams with lead routing in Salesforce

Pragmatic Leaders (Ankai Inc) logo
W21

Pragmatic Leaders (Ankai Inc)

AI-powered Corporate Training: Faster, Smarter, and More Effective

Preki logo
W21

Preki

Shopify for LatAm

Prendea logo
W21

Prendea

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

Prequel logo
W21

Prequel

Helping B2B co's sync data to their customers

Procoto logo
W21

Procoto

Self-service RFP management

Promoted.ai logo
W21

Promoted.ai

Dramatically better search and ads for marketplaces

Prospa logo
W21

Prospa

Banking for businesses

Pry Financials logo
W21

Pry Financials

Finance for Founders

fintech · United States

Purpose Finance logo
W21

Purpose Finance

Accelerating the shift to a more transparent economy

Pyroscope logo
W21

Pyroscope

Open source continuous profiling software to debug performance issues

Quadrant Eye logo
W21

Quadrant Eye

Breaking new ground in online eyecare.

Quadrant Health logo
W21

Quadrant Health

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

Queenly logo
W21

Queenly

Leading marketplace for formalwear

consumer · United States

Quicknode logo
W21

Quicknode

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

QuotaBook logo
W21

QuotaBook

Equity management platform for startups and investors.

R.care logo
W21

R.care

#1 Science backed eating disorder recovery program.

R2 logo
W21

R2

Embedded lending infrastructure

REGENT logo
W21

REGENT

All-electric seagliders for fast, affordable regional transportation

technology · United States

ROGER logo
W21

ROGER

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

Reclaim Protocol logo
W21

Reclaim Protocol

User data verification across Employment, Academic Creds, Retail…

Recover logo
W21

Recover

Government-funded online addiction treatment

Redcliffe Lifetech logo
W21

Redcliffe Lifetech

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

healthcare · India

Rejoy Health logo
W21

Rejoy Health

AI-powered healthcare information

Remora logo
W21

Remora

Carbon capture for vehicles

Reshape Biotech logo
W21

Reshape Biotech

Robots that automate the everyday tasks of microbiologists.

healthcare · Denmark

Resquared logo
W21

Resquared

Marketing automation platform for selling to local businesses.

business productivity · United States

Rethoric logo
W21

Rethoric

LinkedIn ghostwriting for founders to busy to post consistently

Rinsed logo
W21

Rinsed

Software to run car washes moving to a monthly subscription model

RocketSDR logo
W21

RocketSDR

AI Native Sales Outreach Platform

Roin Technologies logo
W21

Roin Technologies

Building robots to automate commercial concrete construction.

Routine logo
W21

Routine

AI-native all-in-one workspace for startups

Rulebricks logo
W21

Rulebricks

Add powerful decision-making capabilities to any automated workflow.

Runway logo
W21

Runway

Easier and more reliable mobile app releases for teams.

SBX Robotics logo
W21

SBX Robotics

Synthetic data for better vision.

SST logo
W21

SST

For whatever you build.

Seer logo
W21

Seer

Sell beyond the store.

Segments.ai logo
W21

Segments.ai

Build better computer vision models by building better datasets

Sendbox logo
W21

Sendbox

Fulfillment by Amazon for African merchants

Serna Bio logo
W21

Serna Bio

Genetic Medicine with Small Molecules

Shepherd logo
W21

Shepherd

Modernizing commercial insurance

SigNoz logo
W21

SigNoz

Open source alternative to DataDog

Simplify logo
W21

Simplify

Helping a billion people build their dream career

Sivo logo
W21

Sivo

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

SlashAuth logo
W21

SlashAuth

The solution for fine-grained access control in web3

Smartcuts logo
W21

Smartcuts

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

Solo logo
W21

Solo

We help people resolve debt.

Somos logo
W21

Somos

Internet for the urban developing world.

Soraban logo
W21

Soraban

AI Tax Workflow for accounting firms

Spline logo
W21

Spline

Design and collaborate in multiple dimensions.

technology · United States

Spokn logo
W21

Spokn

AI-powered video platform for Internal Comms and HR teams

technology · United States

SpruceID logo
W21

SpruceID

SpruceID lets users control their data across the web.

fintech · United States

Stacksi logo
W21

Stacksi

Automated Answers to Security Questionnaires

Stayflexi logo
W21

Stayflexi

Operating System for Hotels and Vacation Rentals

Stoke Space logo
W21

Stoke Space

Seamless mobility to, through, and from space. It starts with 100%…

defense tech · United States

Striga logo
W21

Striga

Compliant Crypto and Banking Infrastructure

fintech · Estonia

Supadock logo
W21

Supadock

AI workers for logistics operations

Svix logo
W21

Svix

Enterprise ready webhooks service, open-source and in the cloud

developer tools · United States

Swadesi Way logo
W21

Swadesi Way

Healthy organic food that creates a positive impact

SwiftSku logo
W21

SwiftSku

Management and analytics software for convenience stores

Taloflow logo
W21

Taloflow

Better, faster tech vendor research

TaoFi logo
W21

TaoFi

The financial layer for decentralized AI

Taste logo
W21

Taste

Online marketplace for dinners shipped from great restaurants

TechBiz logo
W21

TechBiz

MIS on mobile for SMB's in India

Terapify logo
W21

Terapify

Online therapy platform for the Spanish-speaking market

Terra API logo
W21

Terra API

API for developers to access health data

Text Blaze logo
W21

Text Blaze

Slash commands anywhere

The Third Place logo
W21

The Third Place

Subscriptions for neighborhood businesses

Tilt logo
W21

Tilt

Bringing the joy of cycling to millions of Indians

fintech · United States

Tint logo
W21

Tint

Makes it easy for tech platforms to embed insurance into products

Topkey logo
W21

Topkey

Topline Pro logo
W21

Topline Pro

Generative AI powered Shopify for home service professionals

Tractian logo
W21

Tractian

Physical AI for asset-heavy industries

Treinta logo
W21

Treinta

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

Trela logo
W21

Trela

Your one-stop shop to eat well in Brazil

Trendpop logo
W21

Trendpop

Discover trends as they happen

Trestle Biotherapeutics logo
W21

Trestle Biotherapeutics

Bioengineered kidneys for patients with kidney failure

Triomics logo
W21

Triomics

AI Agents for Oncology EHRs

Triplit logo
W21

Triplit

The best database for app developers

True3D Labs logo
W21

True3D Labs

AI that expands any video to fit any screen.

Tupelo logo
W21

Tupelo

Marketplace for small business M&A

Turing College logo
W21

Turing College

AI-driven online tech school for busy professionals

education · Lithuania

UPchieve logo
W21

UPchieve

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

Udhaar App logo
W21

Udhaar App

We're Khatabook / OkCredit for Pakistan

Uiflow logo
W21

Uiflow

No-code platform for enterprise software companies

Unfurl logo
W21

Unfurl

A virtual food hall that delivers

Unschool logo
W21

Unschool

Learn, Intern and become Industry-Ready

Valink Therapeutics logo
W21

Valink Therapeutics

Discovering bispecific antibody drug-conjugates (BsADC) against cancer

Vapi logo
W21

Vapi

Voice AI for developers.

Veera Health logo
W21

Veera Health

We treat women with Polycystic Ovary Syndrome in India

healthcare · India

Vendease logo
W21

Vendease

Where restaurants in Africa buy food supplies

consumer · Nigeria

Venu AI logo
W21

Venu AI

Meet qualified leads in person by automating conference production

Verak logo
W21

Verak

Better Business Insurance for MSMEs in India

enterprise applications · India

Version Story logo
W21

Version Story

GitHub for lawyers

Voosh logo
W21

Voosh

Making Restaurants more data-driven!

Wasp logo
W21

Wasp

Configuration language for building enterprise web apps 10x faster

Page 8 of 30

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.

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