Cohorts of 2021

Companies whose accelerator cohort started in 2021. 1,685 companies.

CompanyClusterProgramStatusLast signal
Great QuestionAI

User research on autopilot.

B2B SaaSuser research automation platformY CombinatorW21Activechecked 2026-08-23
Greywing

The Operating System for Maritime

Commerce and marketplacesMaritime logistics and supply chain optimizationY CombinatorW21Activechecked 2026-08-23
Gridware

Protecting the grid today, preparing the grid for tomorrow

Climate and energyGrid monitoring and outage detection hardwareY CombinatorW21Activechecked 2026-08-23
GroMo

App for independent agents to sell financial products in India

Fintechfinancial products distribution networkY CombinatorW21Activechecked 2026-08-23
H3X Technologies

The lightest electric aircraft motors in the world.

Robotics and physical worldElectric aircraft propulsion systemsY CombinatorW21Activechecked 2026-08-23
Hapi

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

Fintechcommission-free trading platformY CombinatorW21Activechecked 2026-08-23
Haystack

Delivery Analytics for Software Teams

Developer toolsengineering metrics and delivery analyticsY CombinatorW21Activechecked 2026-08-23
Hermes RoboticsAI

Autonomous street sweeping as a service by retro-fitting vehicles

Robotics and physical worldautonomous street sweeping vehiclesY CombinatorW21Activechecked 2026-08-24
Homebase

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

Fintechrent-to-own real estate financingY CombinatorW21Active2026-08-23
hoop.dev

Code review for DevOps tasks

Developer toolsDevOps code review and access controlY CombinatorW21Activechecked 2026-08-23
Houm

All-in-one real estate marketplace for Latin America

Commerce and marketplacesreal estate marketplace platformY CombinatorW21Activechecked 2026-08-23
Howdy.com

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

B2B SaaSLatin American tech talent marketplaceY CombinatorW21Activechecked 2026-08-17
HUBUC

Global Card Issuing and Payment Processing Engine

FintechGlobal card issuing and payment processing infrastructureY CombinatorW21Activechecked 2026-08-23
Hudu

The Most-Loved IT Documentation Platform

B2B SaaSIT documentation and operationsY CombinatorW21Activechecked 2026-08-23
Humaans

AI-Powered HRIS for high performing teams

B2B SaaSAI-powered HRIS for distributed teamsY CombinatorW21Activechecked 2026-08-23
HumanceAI

AI that keeps complex construction projects on schedule.

Vertical AI agentsAI project management for constructionY CombinatorW21Activechecked 2026-08-23
Infracost

Shift FinOps Left: Proactively Find & Fix Cloud Cost Issues

Developer toolsCloud cost visibility in CI/CDY CombinatorW21Activechecked 2026-08-23
InpharmDAI

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

Vertical AI agentsClinical pharmacy decision support agentY CombinatorW21Activechecked 2026-08-23
Jetdocs

Collaborative ticketing that integrates into Teams and Slack

B2B SaaScollaborative ticketing and workflow automationY CombinatorW21Activechecked 2026-08-23
Jiga

Source better parts by partnering directly with vetted manufacturers

Commerce and marketplacesB2B parts sourcing marketplaceY CombinatorW21Activechecked 2026-08-23
Juicy Marbles

Juicy marbles makes thick juicy and marbled plant based steaks.

Consumerplant-based meat alternativeY CombinatorW21Activechecked 2026-08-23
Kanda

Affirm for general contractors

Fintechcontractor financing platformY CombinatorW21Site unreachablechecked 2026-08-17
Kidato

Online school for K12 education in Africa

Consumeronline K12 education for AfricaY CombinatorW21Site unreachablechecked 2026-08-17
Kilobaser

Desktop DNA Printer. The Nespresso Machine for DNA.

Robotics and physical worldDNA synthesis hardware for labsY CombinatorW21Activechecked 2026-08-23
Kiwify

Create & sell online courses

B2B SaaScourse creation platformY CombinatorW21Activechecked 2026-08-23
Kodo

Corporate card & spend management platform for Indian startups

FintechCorporate card and spend managementY CombinatorW21Activechecked 2026-08-23
Kredi

Rocket Mortgage for LatAm.

FintechDigital mortgage lending LatAmY CombinatorW21Activechecked 2026-08-24
Lamar HealthAI

Take Care of Shitty Paperwork for Expensive Drugs

Vertical AI agentsAI pharmacy authorization and patient accessY CombinatorW21Activechecked 2026-08-23
Lendflow

Embedded lending infrastructure for software companies

FintechEmbedded lending platformY CombinatorW21Activechecked 2026-08-23
LightTwist

Realistic virtual video studio to record and stream from your browser

ConsumerVirtual studio for content creatorsY CombinatorW21Activechecked 2026-08-23
Lion Pose

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

Consumerdirect-to-consumer skincareY CombinatorW21Activechecked 2026-08-23
LiveFlowAI

The Unified AI-ERP & FP&A Platform

B2B SaaSAI-powered ERP and FP&A platformY CombinatorW21Activechecked 2026-08-23
Logica

Visual, collaborative financial modeling software

FintechFinancial modeling and forecasting softwareY CombinatorW21Activechecked 2026-08-23
LogisticsOS

World's fastest and most optimal route optimization engine

Commerce and marketplacesroute optimization and fleet dispatchingY CombinatorW21Activechecked 2026-08-23
Lygg

Building New Anti-Aging Ingredients for Skincare

Consumeranti-aging skincare ingredientsY CombinatorW21Activechecked 2026-08-23
Machine26

Marketplace for construction machines

Commerce and marketplacesconstruction equipment marketplaceY CombinatorW21Activechecked 2026-08-23
MagicBell

The notification inbox for web/mobile applications.

Developer toolsnotification infrastructure for appsY CombinatorW21Activechecked 2026-08-23
Manara

Connecting top Middle East talent to global tech jobs

B2B SaaSTalent recruitment and interview prepY CombinatorW21Activechecked 2026-08-23
Mayan

A growth automation platform for Amazon sellers

Commerce and marketplacesAmazon seller growth automationY CombinatorW21Activechecked 2026-08-23
Measured

Telemedicine platform for chronic conditions like obesity

Healthcare and biotelemedicine chronic disease managementY CombinatorW21Activechecked 2026-08-23
MedMe Health

Software for pharmacies to move beyond dispensing

Healthcare and biopharmacy clinical services softwareY CombinatorW21Activechecked 2026-08-23
Mendel

Workflows to empower employees to spend while finance stay in control

Fintechemployee expense managementY CombinatorW21Activechecked 2026-08-23
Meru.com

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

Commerce and marketplacesauto-parts B2B marketplaceY CombinatorW21Activechecked 2026-08-23
MindeeAI

AI Document Understanding API

Data for AIdocument understanding and OCR APIY CombinatorW21Activechecked 2026-08-23
ModernLoop

ModernLoop helps teams automate and streamline recruiting operations

Vertical AI agentsRecruiting operations automationY CombinatorW21Active, new domain2026-08-23
MoichorAI

AI Powered Animal Diagnostics

Healthcare and bioAI veterinary diagnosticsY CombinatorW21Activechecked 2026-08-23
MoonvalleyAI

Building the next generation AI creative studio

ConsumerAI-powered creative studio for video and image generationY CombinatorW21Activechecked 2026-08-23
Morada Uno

We underwrite and insure house rentals in Latam

Fintechrental guarantor insurance for landlordsY CombinatorW21Activechecked 2026-08-23
My NextDerma

Dermatology telehealth app for LatAm

Healthcare and biodermatology telehealth for LatAmY CombinatorW21Activechecked 2026-08-23
Mystic

Low latency API to run and deploy ML models

AI infra and computeML model serving and inferenceY CombinatorW21Site unreachablechecked 2026-08-17
Nano Technologies

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

FintechDaily payroll for SEA workersY CombinatorW21Activechecked 2026-08-23
Navattic

Interactive product demos

B2B SaaSInteractive product demo softwareY CombinatorW21Activechecked 2026-08-23
NextPay

The digital bank for small businesses in the Philippines.

FintechDigital banking for Filipino SMBsY CombinatorW21Active, new domain2026-08-23
Nirva

The lifestyle medicine layer for clinicians.

Healthcare and bioLifestyle medicine care delivery platformY CombinatorW21Activechecked 2026-08-23
Nourish

Telehealth dietitians covered by insurance

Healthcare and bioTelehealth nutrition managementY CombinatorW21Activechecked 2026-08-23
Nuntius Therapeutics

Cell-specific genetic medicines

Healthcare and bioCell-specific gene therapyY CombinatorW21Activechecked 2026-08-23
OlaClick

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

Commerce and marketplacesrestaurant e-commerce and POSY CombinatorW21Activechecked 2026-08-23
OllamaAI

Get up and running with large language models.

AI infra and computeLocal LLM inference runtimeY CombinatorW21Activechecked 2026-08-23
Ontop

Simplifying hiring and payments for the global workforce

FintechGlobal payroll and worker financial accountsY CombinatorW21Activechecked 2026-08-23
OpenCodeAI

The open source AI coding agent

Developer toolsOpen source AI coding agentY CombinatorW21Activechecked 2026-08-23
Pagaloop

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

FintechCredit card payment financing for SMBsY CombinatorW21Activechecked 2026-08-23
Pangea.app

Hire Fractional Marketing + Design Talent

B2B SaaSFractional talent marketplace for marketing and designY CombinatorW21Activechecked 2026-08-23
ParsagonAI

AI to track and analyze public policy

B2B SaaSAI policy monitoring and analysis platformY CombinatorW21Activechecked 2026-08-23
peopleCQ

Employer backed payroll advances for employees in Egypt

Fintechpayroll advances for emerging marketsY CombinatorW21Activechecked 2026-08-23
Per DiemAI

The AI operating system for restaurants

Vertical AI agentsAI operating system for restaurantsY CombinatorW21Activechecked 2026-08-23
Pesto-Y CombinatorW21Activechecked 2026-08-17
Phoenix

Canada's digital health clinic for men

Healthcare and biodigital telehealth platform for menY CombinatorW21Active2026-08-20
Pibit.aiAI

The fastest path from submission to better decisions.

Vertical AI agentsAI underwriting agents for insuranceY CombinatorW21Activechecked 2026-08-23
Poliglota

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

Consumeronline language learning platformY CombinatorW21Activechecked 2026-08-23
Popl

Your AI GTM platform for In-Person Events

B2B SaaSAI-powered event management and lead captureY CombinatorW21Activechecked 2026-08-23
PowerRouter

PowerRouter helps sales teams with lead routing in Salesforce

B2B SaaSLead routing automation for SalesforceY CombinatorW21Activechecked 2026-08-23
Pragmatic Leaders (Ankai Inc)

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

B2B SaaSAI-powered corporate training platformY CombinatorW21Active-
Prequel

Helping B2B co's sync data to their customers

Data for AIdata pipelines and warehousing syncY CombinatorW21Activechecked 2026-08-23
Prospa

Banking for businesses

FintechSMB business bankingY CombinatorW21Activechecked 2026-08-23
Quadrant HealthAI

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

Healthcare and bioPredictive disease analytics from EHR dataY CombinatorW21Activechecked 2026-08-23
Quicknode

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

Developer toolsBlockchain API infrastructureY CombinatorW21Activechecked 2026-08-23
QuotaBook

Equity management platform for startups and investors.

Fintechequity management platform for startupsY CombinatorW21Activechecked 2026-08-23
Reclaim Protocol

Education, Employment, Loyalty verification. Global & Compliant.

Security and complianceIdentity verification and complianceY CombinatorW21Activechecked 2026-08-23
Recover

Government-funded online addiction treatment

Healthcare and biotelemedicine addiction treatmentY CombinatorW21Activechecked 2026-08-24
Redcliffe Lifetech

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

Healthcare and biodiagnostic testing platformY CombinatorW21Activechecked 2026-08-17
REGENT

All-electric seagliders for fast, affordable regional transportation

Robotics and physical worldElectric seaglider aircraftY CombinatorW21Activechecked 2026-08-23
Rejoy HealthAI

AI workers that book, scribe, code, interpret, and answer clinicians

Vertical AI agentsAI clinical operations and documentationY CombinatorW21Activechecked 2026-08-23
Remora

Carbon capture for vehicles

Climate and energycarbon capture from vehicle exhaustY CombinatorW21Activechecked 2026-08-23
Reshape Biotech

Robots that automate the everyday tasks of microbiologists.

Robotics and physical worldLab automation robots for microbiologyY CombinatorW21Activechecked 2026-08-23
Resquared

Marketing automation platform for selling to local businesses.

B2B SaaSMarketing automation for local businessesY CombinatorW21Activechecked 2026-08-23
Rethoric

LinkedIn content consultancy and scheduling platform for busy founders

B2B SaaSLinkedIn content and scheduling platformY CombinatorW21Activechecked 2026-08-23
Rinsed

Software to run car washes moving to a monthly subscription model

B2B SaaSCar wash management softwareY CombinatorW21Activechecked 2026-08-23
RocketSDRAI

AI Native Sales Outreach Platform

Vertical AI agentsAI-powered sales outreach automationY CombinatorW21Activechecked 2026-08-23
ROGER

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

B2B SaaSeSignature and contract managementY CombinatorW21Activechecked 2026-08-23
RoutineAI

AI-native all-in-one workspace for startups

B2B SaaSAI-native workspace aggregationY CombinatorW21Activechecked 2026-08-23
Rulebricks

Add powerful decision-making capabilities to any automated workflow.

Developer toolsWorkflow logic and decision-making platformY CombinatorW21Activechecked 2026-08-23
Runway

Easier and more reliable mobile app releases for teams.

Developer toolsMobile app release managementY CombinatorW21Activechecked 2026-08-23
Seer

Sell beyond the store.

B2B SaaSretail sales enablement platformY CombinatorW21Activechecked 2026-08-23
Sendbox

Fulfillment by Amazon for African merchants

Commerce and marketplacesAfrican e-commerce fulfillmentY CombinatorW21Activechecked 2026-08-23
Serna Bio

Genetic Medicine with Small Molecules

Healthcare and bioSmall molecule RNA therapeuticsY CombinatorW21Activechecked 2026-08-23
Shepherd

Modernizing commercial insurance

FintechCommercial insurance platformY CombinatorW21Activechecked 2026-08-23
SigNoz

Open source alternative to DataDog

Developer toolsOpen source observability and APM platformY CombinatorW21Activechecked 2026-08-23
SimplifyAI

Helping a billion people build their dream career

Vertical AI agentsAI career agent for job seekersY CombinatorW21Activechecked 2026-08-23
Sivo

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

Fintechembedded lending infrastructureY CombinatorW21Activechecked 2026-08-23
Smartcuts

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

Developer toolsbrowser automation and no-code workflowsY CombinatorW21Activechecked 2026-08-23