Cohorts of 2021
Companies whose accelerator cohort started in 2021. 1,685 companies.
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| Abatable Carbon markets platform and solutions | Climate and energyCarbon offset procurement platform | Y CombinatorS21 | Active | checked 2026-08-23 |
| Abhi Abhi is Pakistan's 1st financial wellness platform focusing on… | FintechEarly wage access for employees | Y CombinatorS21 | Active | checked 2026-08-23 |
| AbstraAI Automate finance operations with Python and AI | Vertical AI agentsAI automation for finance operations | Y CombinatorS21 | Active | checked 2026-08-23 |
| Adaptyv We're building fully automated labs for protein engineering | Robotics and physical worldAutomated protein engineering labs | Y CombinatorS21 | Active | checked 2026-08-23 |
| AdniAI AI healthcare recruiting platform | Vertical AI agentsAI recruiting for healthcare | Y CombinatorS21 | Active | checked 2026-08-24 |
| AdravisionAI Automation for dental clinics and insurance companies. | Vertical AI agentsAI automation for dental clinics and insurance | Y CombinatorS21 | Active | checked 2026-08-23 |
| Advantage Club Global platform for employee engagement with rewards&flexible benefits | B2B SaaSEmployee engagement and benefits platform | Y CombinatorS21 | Active, new domain | 2026-08-23 |
| Affogato AIAI Affogato AI — Your Agent for instant TikToks, Reels, and ads. | Vertical AI agentsAI video generation for creators and brands | Y CombinatorS21 | Active | checked 2026-08-23 |
| Agapé Feel close, even when apart. One meaningful conversation at a time. | Consumerrelationship wellness app | Y CombinatorS21 | Active | checked 2026-08-23 |
| Ahazou Podium for local businesses in Latam | B2B SaaSall-in-one platform for local businesses | Y CombinatorS21 | Active | checked 2026-08-24 |
| AI Tech PacksAI Build factory ready tech packs in minutes. | Commerce and marketplacesAI-powered apparel tech pack generation | Y CombinatorS21 | Active | checked 2026-08-23 |
| Akute Health The medical record & infrastructure stack for digital health companies | Healthcare and bioEMR automation for digital health | Y CombinatorS21 | Active | checked 2026-08-23 |
| Aleph One source of truth for financial data. | B2B SaaSFP&A automation and financial data integration | Y CombinatorS21 | Active | checked 2026-08-23 |
| Aleph Solutions (Alephee) We help automotive aftermarket brands to supply and sell parts online | Commerce and marketplacesmarketplace inventory management for automotive aftermarket | Y CombinatorS21 | Active | checked 2026-08-23 |
| AlgoUniversity Building Job driven Virtual Tech University for India 🇮🇳 | OtherEducation platform with ISA model | Y CombinatorS21 | Active | checked 2026-08-23 |
| AlgoViralAI We help high-growth startups go viral on autopilot | Vertical AI agentsAI-native social media growth automation | Y CombinatorS21 | Active | checked 2026-08-23 |
| Amenli Offers insurance to customers in a convenient & transparent way | FintechDigital insurance broker | Y CombinatorS21 | Active | checked 2026-08-24 |
| Anakin One API to get clean data from any website for your AI agents at scale | Data for AIWeb data extraction for AI agents | Y CombinatorS21 | Active | checked 2026-08-23 |
| Ananya Health Portable cryoablation to prevent cervical cancer | Robotics and physical worldMedical device hardware for cancer prevention | Y CombinatorS21 | Active | checked 2026-08-24 |
| Ancana Marketplace to buy managed vacation homes through fractional ownership | Consumerfractional vacation home marketplace | Y CombinatorS21 | Active, new domain | 2026-08-23 |
| AOA Dx Blood Test for Early Detection of Ovarian Cancer | Healthcare and bioearly cancer diagnostics | Y CombinatorS21 | Active | checked 2026-08-23 |
| AppX AppX helps social media creators launch their own mobile apps. | B2B SaaSCreator app monetization platform | Y CombinatorS21 | Active | checked 2026-08-23 |
| AquaAI The AI-Native Turnkey Alternative Investment Platform (TAIP) | FintechAI-powered alternative asset management platform | Y CombinatorS21 | Active | checked 2026-08-23 |
| Archbee TURN STATIC DOCS INTO INSTANT ANSWERS | Developer toolsDocumentation and knowledge management platform | Y CombinatorS21 | Active | checked 2026-08-23 |
| ARQ The global financial platform for affluent consumers in the Americas. | Fintechcross-border payments for affluent | Y CombinatorS21 | Active | checked 2026-08-23 |
| Arrow Modern Checkout Platform for D2C brands in Southeast Asia | Commerce and marketplacescheckout platform for D2C brands | Y CombinatorS21 | Site unreachable | checked 2026-08-17 |
| Artillery The complete production quality platform. AI-powered E2E testing,… | Developer toolsAI-powered E2E testing and production monitoring | Y CombinatorS21 | Active | checked 2026-08-23 |
| aSimAI Build and share apps with friends | ConsumerAI app creation for social sharing | Y CombinatorS21 | Active | checked 2026-08-23 |
| Astek Diagnostics One-hour antibiotic sensitivity testing | Healthcare and biorapid bacterial diagnostics and antibiotic testing | Y CombinatorS21 | Active | checked 2026-08-23 |
| Atlas Operating system for restaurants, focusing on Southeast Asia | B2B SaaSRestaurant operations platform Southeast Asia | Y CombinatorS21 | Active | checked 2026-08-23 |
| Atmana Apps to control technology addictions/ helping startups hire engineers | Consumerdigital wellness and addiction recovery | Y CombinatorS21 | Active | checked 2026-08-23 |
| Aviator Google-level engineering productivity suite | Developer toolsmerge workflow automation and build health | Y CombinatorS21 | Active | checked 2026-08-23 |
| Awesomic Get matched with top 1% of talents in 24h | Commerce and marketplacesTalent marketplace for design and engineering | Y CombinatorS21 | Active | checked 2026-08-23 |
| Baraka Grow Your Wealth With Baraka | ConsumerInvestment app for Middle East | Y CombinatorS21 | Active | checked 2026-08-23 |
| BaubapAI Smart micro financing for everyone | FintechAI lending platform for emerging markets | Y CombinatorS21 | Active | checked 2026-08-23 |
| Beau Workflows for repetitive customer-facing tasks | B2B SaaScustomer-facing workflow automation | Y CombinatorS21 | Active | checked 2026-08-23 |
| Birdie Connect LinkedIn to your CRM to automate and track LinkedIn outreach. | B2B SaaSLinkedIn outreach automation for sales | Y CombinatorS21 | Active | checked 2026-08-23 |
| Bite NinjaAI Remote labor for restaurants | Vertical AI agentsRemote order taking for restaurants | Y CombinatorS21 | Active | checked 2026-08-24 |
| Blixo Accounts receivable automation to help companies get paid faster | Fintechaccounts receivable automation | Y CombinatorS21 | Active | checked 2026-08-23 |
| BLUUMBIO We make bacteria and plants that clean up pollution. | Climate and energybiotech pollution remediation | Y CombinatorS21 | Active | checked 2026-08-23 |
| BoldVoiceAI Speech and accent coaching app for non-native English speakers | ConsumerAI-powered language learning app | Y CombinatorS21 | Active | checked 2026-08-23 |
| Bolster The platform for buying, selling and managing residential construction | Commerce and marketplacesconstruction marketplace and POS | Y CombinatorS21 | Active | checked 2026-08-23 |
| Bree Chime for Canada, starting with cash advances | Fintechchallenger bank with cash advances | Y CombinatorS21 | Active | checked 2026-08-23 |
| Brite Software that helps employees pick their employee benefits. | B2B SaaSBenefits education platform for HR | Y CombinatorS21 | Active | checked 2026-08-23 |
| Buoyant Aero Bringing back blimps | Robotics and physical worldautonomous advertising blimps | Y CombinatorS21 | Active | checked 2026-08-23 |
| Buró de Ingresos The Work Number for LatAm | B2B SaaSIncome verification infrastructure | Y CombinatorS21 | Active | checked 2026-08-23 |
| Cabal Private workspace for founders, investors, and advisors to collaborate | B2B SaaSfounder collaboration and investor network | Y CombinatorS21 | Active | checked 2026-08-23 |
| Café Your Workplace Engagement Hub | B2B SaaSworkplace engagement and events platform | Y CombinatorS21 | Active | checked 2026-08-23 |
| Caire HealthAI Semi-Autonomous Diagnostics for Emergent Care | Healthcare and bioAI diagnostic imaging for emergencies | Y CombinatorS21 | Active | 2026-08-23 |
| Carbonfact Decarbonizing the fashion industry | Climate and energyfashion supply chain carbon tracking | Y CombinatorS21 | Active | checked 2026-08-23 |
| Careerist Learning platform for job seekers with job applications automation | Vertical AI agentsAI job application automation for career switchers | Y CombinatorS21 | Active | checked 2026-08-23 |
| Cartpanda Global online sales platform | Commerce and marketplacesEcommerce platform for creators | Y CombinatorS21 | Active | checked 2026-08-23 |
| Catena Biosciences Using protein coupling to build new therapies | Healthcare and bioprotein engineering therapeutics platform | Y CombinatorS21 | Active, new domain | 2026-08-23 |
| CellChorusAI The dynamic single-cell analysis company | Healthcare and bioAI-powered cell analysis for drug discovery | Y CombinatorS21 | Active | checked 2026-08-23 |
| CeroAI Automated communication between hospitals and patients in Latam | Vertical AI agentsPatient communication automation for hospitals | Y CombinatorS21 | Active | checked 2026-08-23 |
| Charge Robotics Robots that build solar farms | Robotics and physical worldSolar construction automation robots | Y CombinatorS21 | Active | checked 2026-08-23 |
| Chari B2B e-commerce and fintech platform for traditional proximity stores | Commerce and marketplacesB2B e-commerce for traditional retailers | Y CombinatorS21 | Active | checked 2026-08-24 |
| Chipax Quickbooks for SMBs in Latam | FintechAccounting and payments for SMBs | Y CombinatorS21 | Active | checked 2026-08-23 |
| Cloudanix Cloud and Container Security Platform | Security and compliancecloud infrastructure security platform | Y CombinatorS21 | Active | checked 2026-08-23 |
| Coast Demo Platform for API-First Companies | B2B SaaSAPI demo and sales enablement | Y CombinatorS21 | Active | checked 2026-08-23 |
| Cococart Empowering local businesses to sell online. | B2B SaaSE-commerce platform for SMBs | Y CombinatorS21 | Active | checked 2026-08-23 |
| CoinruleAI Coinrule Automates Your Crypto and Stock Investments | Fintechautomated investment trading | Y CombinatorS21 | Active | checked 2026-08-23 |
| CoLoopAI AI Copilot for insights & strategy | Horizontal AI assistantsAI copilot for customer insights and strategy | Y CombinatorS21 | Active | checked 2026-08-23 |
| Concord Materials Automating procurement and finance for construction companies | Commerce and marketplacesconstruction materials procurement platform | Y CombinatorS21 | Active | checked 2026-08-23 |
| Confido AI-enabled financial automation and intelligence for CPG Brands | B2B SaaSFinancial automation for CPG brands | Y CombinatorS21 | Active | checked 2026-08-23 |
| Contalink We help Accountants automate work and serve their customers online | Vertical AI agentsAI bookkeeping automation for accountants | Y CombinatorS21 | Active | checked 2026-08-23 |
| ContraForceAI Security Delivery Platform to orchestrate AI agents for Service… | Agent infrastructureAI agent orchestration for security | Y CombinatorS21 | Active | checked 2026-08-23 |
| Coulomb AIAI Battery Observability Platform for Electric Vehicles | Climate and energyAI battery management for EVs | Y CombinatorS21 | Active | checked 2026-08-23 |
| Crew Next Gen ATS/CRM for Modern Recruitment Agencies | B2B SaaSATS/CRM for recruitment agencies | Y CombinatorS21 | Inactive | checked 2026-08-17 |
| Cumbuca Bare-metal access to Brazil's Open Finance and Pix systems | Fintechopen banking infrastructure for developers | Y CombinatorS21 | Active | checked 2026-08-23 |
| Customily Making it easy to sell personalized products online. | Commerce and marketplacese-commerce personalization tool | Y CombinatorS21 | Active | checked 2026-08-23 |
| DailybotAI Make all team work visible — people and AI agents | Agent infrastructureAI agent coordination and visibility | Y CombinatorS21 | Active | checked 2026-08-23 |
| Datlo Datlo helps companies increase sales and expand through data | B2B SaaSGeointelligence for sales and market research | Y CombinatorS21 | Active | checked 2026-08-23 |
| Deskimo Workspaces on demand, paid by the minute. | Commerce and marketplacesworkspace marketplace platform | Y CombinatorS21 | Active | checked 2026-08-24 |
| DigiBuildAI We buy & track building materials for construction companies. | Vertical AI agentsAI material procurement for construction | Y CombinatorS21 | Active | checked 2026-08-23 |
| Digistain Pioneering Breast Cancer Diagnostics for a Healthier Tomorrow | Healthcare and biobreast cancer diagnostic imaging | Y CombinatorS21 | Active | checked 2026-08-23 |
| Dots 💸 Developer friendly drop in payouts infrastructure | Fintechdeveloper-friendly payouts API | Y CombinatorS21 | Active | checked 2026-08-23 |
| Double We make software for bookkeepers. | Vertical AI agentsAI bookkeeping software for accountants | Y CombinatorS21 | Active | checked 2026-08-23 |
| Echoes HQ Measure and communicate engineering activity | B2B SaaSEngineering metrics and visibility SaaS | Y CombinatorS21 | Inactive | checked 2026-08-17 |
| Encuadrado Payments and scheduling for services professionals in LATAM | B2B SaaSpayments and scheduling for service pros | Y CombinatorS21 | Active | checked 2026-08-23 |
| Endla Software that increases the value of oil & gas wells | Robotics and physical worldOil & gas well optimization software | Y CombinatorS21 | Active | checked 2026-08-23 |
| Enerjazz Making electric vehicle batteries affordable | Climate and energyEV battery swapping infrastructure | Y CombinatorS21 | Active | checked 2026-08-24 |
| Enso Self-Service Data Prep and Blend Built for Data Teams. | Data for AISelf-service data preparation and blending | Y CombinatorS21 | Active | checked 2026-08-23 |
| Epinoma We engineer proteins that control the operating system of biology. | Healthcare and biosynthetic protein engineering | Y CombinatorS21 | Active | checked 2026-08-23 |
| Epsilon3 AI-Powered ERP, MES, and Test Software for Complex Operations | B2B SaaSAI-powered ERP and MES for complex operations | Y CombinatorS21 | Active | checked 2026-08-23 |
| Equipt Health Home medical equipment, prescribed online and delivered. | Healthcare and bioHome medical equipment fulfillment | Y CombinatorS21 | Site unreachable | checked 2026-08-17 |
| Evidence Business intelligence as code | Developer toolsSQL-based BI and analytics | Y CombinatorS21 | Active | checked 2026-08-23 |
| Evidently AI Open-source monitoring for machine learning models | Data for AIML model monitoring and observability | Y CombinatorS21 | Active | checked 2026-08-23 |
| ExaAI Web search rebuilt for LLMs | Data for AIAI-native web search infrastructure | Y CombinatorS21 | Active | checked 2026-08-23 |
| Examedi Uber for Healthcare in Latinamerica | Consumerhealthcare marketplace for home services | Y CombinatorS21 | Active | checked 2026-08-23 |
| Female Invest Female Invest is a social e-learning app for finance and investing | Consumersocial investing education app | Y CombinatorS21 | Active | checked 2026-08-23 |
| Ferveret Nuclear-inspired cooling that turns wasted power into more AI compute | AI infra and computedata center cooling hardware | Y CombinatorS21 | Active | checked 2026-08-23 |
| Filadd We help students in Latin America graduate from College. | ConsumerAI-powered test prep for Latin America | Y CombinatorS21 | Active | checked 2026-08-23 |
| Filta The Face Filter NFT Marketplace | Consumerface filter NFT marketplace | Y CombinatorS21 | Inactive | checked 2026-08-17 |
| FitiaAI Automated Meal Planner & Nutrition Tracking | ConsumerAI nutrition and fitness tracking | Y CombinatorS21 | Active | checked 2026-08-17 |
| Float Supply chain finance for consumer brands | Fintechsupply chain financing for consumer brands | Y CombinatorS21 | Active | checked 2026-08-24 |
| Floatpays Inc On-demand wage access service built for the African market | Fintechon-demand wage access for African workers | Y CombinatorS21 | Active | checked 2026-08-23 |
| Flow Club Virtual Co-working Community | Consumervirtual co-working community | Y CombinatorS21 | Active | checked 2026-08-23 |
| Flowly Our mobile app reduces chronic pain for 100 million Americans. | Healthcare and bioVR pain management platform | Y CombinatorS21 | Active | checked 2026-08-23 |
| fluke fluke is a full-digital mobile operator in Brazil | Consumermobile MVNO in Brazil | Y CombinatorS21 | Active | checked 2026-08-17 |