Cohorts of 2021
Companies whose accelerator cohort started in 2021. 1,685 companies.
clusterB2B SaaS 183Consumer 168Fintech 155Healthcare and bio 126Commerce and marketplaces 111Developer tools 68Climate and energy 66Vertical AI agents 66Robotics and physical world 59Security and compliance 34Other 28Data for AI 24Horizontal AI assistants 17Defense and space 15Agent infrastructure 13AI infra and compute 7
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| Byte Kitchen Increasing restaurant profitability through our AI Operating System | Commerce and marketplacesghost kitchen operations platform | Y CombinatorS21 | Acquired | checked 2026-08-23 |
| GamerPay We are the marketplace for trading gaming skins & assets without scams | Commerce and marketplacesgaming assets marketplace | Y CombinatorS21 | Acquired | checked 2026-08-23 |
| Hyper Sell memberships to your Discord server | Commerce and marketplacesDiscord membership marketplace | Y CombinatorS21 | Acquired | 2026-08-23 |
| Nasdisc A marketplace for vinyl, cassettes and cds | Commerce and marketplacesphysical media marketplace | Y CombinatorS21 | Acquired | checked 2026-08-17 |
| Tablevibe Direct Ordering Software for Restaurants | Commerce and marketplacesDirect ordering for restaurants | Y CombinatorS21 | Acquired | checked 2026-08-23 |
| Fountain9AI Helping food brands and retailers reduce food wastage | Commerce and marketplacesAI-driven inventory optimization for food retail | Y CombinatorW21 | Acquired | checked 2026-08-17 |
| Preki Shopify for LatAm | Commerce and marketplacesE-commerce platform for LatAm SMBs | Y CombinatorW21 | Acquired | checked 2026-08-17 |
| Procoto Self-service RFP management | Commerce and marketplacesprocurement and vendor management | Y CombinatorW21 | Acquired | checked 2026-08-23 |
| Promoted.aiAI Dramatically better search and ads for marketplaces | Commerce and marketplacesAI-powered marketplace search and ranking | Y CombinatorW21 | Acquired | checked 2026-08-17 |