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 2021
(124 companies)
Planet A Foods
Building the next generation food ingredient champion.

Pluggy
Plaid for Brazil: we allow developers to access users' financial data

Portão 3
We are the frictionless way for companies to make payments.

Positional
A modern platform for content marketing & SEO.

Potion
AI for product formulation

Promakhos Therapeutics
A therapeutics platform for curing inflammatory disorders

PropReturns
End-to-end commercial real estate transaction platform

Protego
We help companies recover lost revenue from chargebacks

Protex AI
Computer vision that makes the industrial workplace, safer

Pylon
Infrastructure management software for water & electricity companies
financial services · United States

Quest
Audio career advice

REPROSENT
Activating an overlooked force in medicine - the patient.

RMFG
Advanced Contract MFG for fast moving hardware companies

Redbean
Make games and stories with AI

Reframe (Glucobit)
App to help people quit or cut back on alcohol use

RendaloMaq
Tech-powered equipment rentals in Latam.

Replo
Sell anything
commerce enablement · United States

Repool
Modernizing hedge fund back office software and services.
United States

Revery AI
Tiktok for fashion - where designers show their work + build traction

Revolve Surgical
Surgical robotics for every operating room

Rinse
We're building the One Medical for dental

Rivia.AI
Interactive Product Demos

Rootly
AI-native on-call and incident response carefully crafted to help…
technology · United States

Ruta Health
Async personalized and actionable health education by real doctors

Ruth Health
Telehealth hub for pregnant people 🧡

SFA Therapeutics
Regulating the immune system to block cancer & autoimmune diseases

SafeBeat
Guiding cardiac therapeutics - all from your phone

Safer Management
Student Attendance tracking for Public Schools

SalaryBook
Mobile first solution for Payroll, employee & expense management

SalaryBox
Gusto for India
business/productivity software · India

Satsuma
Reliable blockchain indexing & querying for web3 engineering teams.
industrials · United States

Scispot
The Best Data Infrastructure for Biotechs

Scratch Data
Analytics for builders. Record and query billions of datapoints with…

Secoda
Secoda is the AI layer for your Analytics
enterprise applications · Canada

SenpAI.GG
Personal gaming coach for PC gamers globally

Sensible Biotechnologies
Unlocking the next generation of mRNA medicines

Sentiyen
Conversational AI assistants using your knowledge

Sequin
Sequin is building AI Voice Agents to automate collections calls for…
financial services · United States

Shape
Get data insights without writing SQL

Shimmer
1:1 ADHD coaching, 5-10X More affordable than alternatives

ShipBlu
Amazon Level Logistics for eCommerce Companies in MENA.
industrials · Egypt

Siglo
Home Internet for urban Latin America

SigmaOS
The new home for your internet 🏡
technology · United Kingdom

Sirka
Noom for Southeast Asia

Sitenna
Compound B2B SaaS for modern infrastructure to deploy and manage sites

Slash
Banking, corporate cards, stablecoin payments – available globally.

Sleek
Browser automation for businesses.

Slope
The B2B Payments Platform
fintech · United States

SnapCalorie
Single photo nutrition tracking.
health & wellness · United States

Soco
Visual AI shopping

SolarMente
Home electrification at $0 upfront cost
energy · Spain

Spark Studio
The most magical personal Voice-Led AI English Learning Buddy for Kids
education · India

Spoken
Never overpay online

Sproutfi
Latin Americas' first investing social network. Learn. Share. Invest.

Squire.ai
Never code alone.

Stardex
AI native ATS + CRM for executive search firms

Stepful
Online Training for Healthcare Jobs
healthcare · United States

Stipop
Monetization platform for character creators
technology · United States

Storylane
Build Interactive Product Demo in 10 mins for SaaS companies

Stownest
Flexible On-Demand Storage Space for Household, SMEs & Travellers.
consumer services · India

StrideQ
Automated phone ordering system for restaurants

Strive Math
Online Coding School for Kids 8-16

StudyStream
24/7 video platform & online community for students to study together
education · United Kingdom

Sully.ai
Autonomous team of AI agents that runs the entire hospital operations

Superwall
Remotely configure every aspect of your mobile app's paywall

Suplias
We enable FMCG distributors in Africa buy inventory on credit

Swipe
Super AI Accountant for SMBs
fintech · India

Synder
Easy accounting for e-commerce

TAG
TAG is the First Digital Bank (Chime/Revolut/N26) for Pakistan

Tablevibe
All-in-one digital ordering system for restaurants

Talentdrop
Your personal hiring page.

Talus Bio
Discovering drugs that target the DNA regulome

Tarsal
Data pipeline for your security data lake.

Tavus
Building the human layer of AI
technology · United States

Telivy
Automate your cyber security risk assessments

Telmai
Automated data observability and quality for Data Lake
technology · United States

Tenyks
The World's Most Versatile Video Answering Engine
technology · United Kingdom

The Breakaway
The personal coach and companion for cyclists.
sports technology · United States

Therify
Inclusive mental healthcare for companies

Titipku
Super Hyperlocal Marketplace for SMEs in Indonesia

Toku
Account Receivables Platform for Latin American Enterprises
fintech · Chile

TrackChain
AI-native logistics OS for autonomous freight execution

TransAstra Corporation
Orbital logistics: Unleashing space industry, from Earth to asteroids

Truss
Banking for construction

Tuli Health
Transforming pharmacies in the UK into diagnostic centers

Turion Space
Moving Things Around in Space, Imaging Space Objects When We're Not

Union54
Developers of ChitChat, an integrated messaging and payments wallet…

V-Flow Medical
Transforming the lives of millions of women suffering from chronic…

Varos
AI Business Analysts to gather requirements and optimize processes

VedaBio
CRISPR powered Diagnostics with results in minutes.

Verano Health
Nonprofit telehealth coaches for underserved Americans on Medicaid

Verde
Digital lending platform for Brazilian farmers

Verihubs
AI-powered Deepfake Detection

Vibe Kanban
Plan and review AI generated code

Vinco
Retaining employees in LatAm via education

VitalStrata
AI for risk adjustment integrity

Vogent
Build Voice AI Agents

Wabi
We are Shopify for the $15B creator economy in LATAM

WarpBuild
Accelerate software development with WarpBuild's 10x faster CI infra.
technology · United States

Warpfy
Building Shein of Home: tech-driven, design-mfr Home Lifestyle Brand

Warrant
Authorization and access control as a service.

Waterplan
Water risk mitigation for industrial sites

Whalesync
Manage your website from your favorite tools like Airtable and Notion
enterprise applications · United States

Whaly
Whaly is building a self-service analytics platform

Writesonic
Track & Boost Your Brand’s Visibility in AI Search
technology · United States

Yemaachi Biotechnology
Diversifying precision cancer diagnostics and treatments
healthcare · Ghana

Yummy
The everything app for LATAM

Zage
Pay by bank and earn rewards

Zaz OS
Lovable for internal products

Zeit Medical
Immediate stroke detection at home

Zen
Posture correction software
healthcare · United States

Zensors
AI to understand and automates the physical world

Zoios.
Help start- and scale-ups excel at People, Culture and Performance.

Zuma
We help businesses convert leads into sales in minutes using text
enterprise · United States

aSim
Build and share apps with friends

fluke
fluke is a full-digital mobile operator in Brazil

hotglue
Native user-facing SaaS integrations for your customers
technology · United States

idemeum
AI-powered Application Control

inai
Segment for global payments
fintech · India

lapzo
Lattice for Latam with personalized learning and development

marketfeed
Helps affluent Indians invest in automated options trading strategies
fintech · India

outloud.ai
Building Gong.io for offline retail.

testRigor
Executable specifications in English for test automation

trii
One stop investment solution for retail investors in Latam
fintech · Colombia
Summer 2020
(76 companies)
AI.Fashion
AI.Fashion is the AI creative suite for the fashion industry.

Afriex
Instant, low-fee remittances

Akiflow
All your tasks and calendars into an AI-powered productivity app
technology · Italy

Altro
Build Credit With Your Subscriptions

Aquarium Learning
We help ML teams improve their models by improving their datasets
technology · United States

Arist
Deliver effective learning at scale
education · United States

Arketa
Everything for your fitness or wellness business.
technology · United States

Artifact
Personal podcasts with the people in your life

Atmos
The entire homebuilding process, all online
real estate technology · United States

AtoB
Modernizing global transportation payments.

Atomic
API that lets companies embed investment accounts into their services
fintech · United States

Atomized
Enabling teams to deploy without needing a cloud expert

Awtomic
Dollar Shave Club as a platform.

BIK
Agentic AI CRM for ecommerce

Balance
The first digital payment experience company, built for B2B.

Bandit ML
Bandit ML builds machine learning tools for e-commerce companies.

Basedash
The AI-native business intelligence platform

Bento
In product customer activation
fintech · United States

Biocogniv
healthcare · United States

Bits
Bits is a credit card designed to help people build credit

Blissway
The tolling industry’s prime tech infrastructure

Blue Onion
Financial data layer for AI-powered finance and accounting

Brevy
Empower your customer service team through AI & automation.
technology · United States

BukuWarung
Accounting, Payments & Credit app for 60M micro-businesses in…

Byte
On-demand food delivery from dark kitchens in Pakistan.

CapWay
Inclusive financial technology service provider.
financial services · United States

CarbonChain
We help companies automate the accounting of their carbon emissions
technology · United Kingdom

Charityvest
A premier charitable giving account, for everyone.

Clau
The real estate superapp for Mexico

ClearMix
On-Demand, Fully-Remote Marketing and Sales Video Production Platform

Clew
Unified file system for the cloud.

Clover
The all-in-one notebook for creatives to brainstorm, write, and plan…

Cohere
Support automation that's actually intelligent
real estate · United States

Command AI
AI-powered user assistance platform

Conta Simples
All-in-one financial platform for latam Startups and SMBs.
fintech · Brazil

CoreCare
Helping healthcare providers reduce administrative costs using AI

Cradle
B2B payments network in India

Current Foods
Impossible foods of seafood.

Datafold
Automating manual and repetitive data engineering tasks with AI

Dataland
AI agents for customer support.
technology · United States

Daybreak Health
The first digital mental health system for youth
healthcare · United States

Decentro
API Platform for Banking Integrations (Plaid for India and APAC)
fintech · India

Depict
GPT Search & Merchandising for fashion e-commerce
consumer · Sweden

Dialect
Making internet experiences distributable and actionable everywhere

Draftwise
Contract and negotiation AI built for lawyers

Drapr
Try on clothing online

Dripos
The only piece of software a coffee shop needs to operate.

Duckly
Video chat with real-time collaboration.

Dumps
Where friends connect through photos and chaotic messaging

Explorex
Ecosystem Platform for Restaurants in India
technology · India

Fancy
Essentials delivered in 30 minutes.

Farel
Next-gen airline OS

Farmako Healthcare
India's fastest medicine delivery in just 30 minutes

Fieldguide
Vertical AI for Audit & Advisory Firms

Fig
Fig adds visual apps, shortcuts, and autocomplete to your terminal.

Finch
Finch is the Employment Data Platform
fintech · United States

Finmark
Financial planning software for startups

Flint
Securing Nurses for Your Future

Foreword
A marketplace for live, online workshops for professionals

Formal
Take control of your data in real-time.
technology · United States

Future Fields
We make unmakeable proteins with radical advanced biomanufacturing.

Gather
Project management software for People Operations

Gilgamesh Pharmaceuticals
Gilgamesh Pharmaceuticals, a Clinical stage biotechnology company…

Glimpse
Glimpse is the system of action for CPG retail operations
United States

HENRY
We train AI engineers and connect them with companies.
education · Argentina

Hellometer
Making fast food faster

Hellosaurus
Interactive video platform for kids

Heron Data
We automate document-heavy workflows in financial services and beyond

Hotplate
Online ordering platform for independent chefs and bakers.

Hubla
All-in-one platform for creators to sell courses and subscriptions

Humanloop
Humanloop is the LLM evals platform for enterprises.

Hyper Online
Social avatar platform for VTubers

Hypermile
Driver co-pilot to make trucking more efficient

Hypotenuse AI
AI-native Operating System for Enterprise Ecommerce Companies

In Stock
Find any product, in stock nearby

Increase
Enterprise-grade banking APIs
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.