Y Combinator companies
The Y Combinator portfolio as the radar sees it: synced daily, classified into clusters, checked for life and movement. 6,198 companies.
clusterVertical AI agents 898Consumer 821B2B SaaS 787Fintech 633Developer tools 515Healthcare and bio 477Commerce and marketplaces 433Agent infrastructure 350Robotics and physical world 314Data for AI 192Security and compliance 189Horizontal AI assistants 152AI infra and compute 152Climate and energy 123Defense and space 85Other 44
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| Bot MDAI AI Clinical Assistant for Doctors | Vertical AI agentsAI clinical assistant for physicians | Y CombinatorS18 | Active, new domain | 2026-08-23 |
| BrainHiAI Automated receptionist that answers missed calls for local businesses | Vertical AI agentsAI receptionist for local businesses | Y CombinatorS18 | Active | checked 2026-08-23 |
| Leena AIAI We at Leena AI build a virtual assistant that answers employee's… | Vertical AI agentsHR employee question answering assistant | Y CombinatorS18 | Active | checked 2026-08-23 |
| MutinyAI Your AI agent for creating anything customer-facing, in minutes. | Vertical AI agentsAI agent for sales and marketing ops | Y CombinatorS18 | Active | checked 2026-08-23 |
| OkCredit Simple and secure bookkeeping for Indian businesses. | Vertical AI agentsAI bookkeeping for Indian SMBs | Y CombinatorS18 | Active | checked 2026-08-23 |
| ProdigalAI Lending Intelligence Software | Vertical AI agentsAI agents for loan servicing and collections | Y CombinatorS18 | Active | checked 2026-08-23 |
| FondoAI Bookkeeping, tax, & tax credits on autopilot for 2,000+ startups | Vertical AI agentsAI bookkeeping and tax filing for startups | Y CombinatorW18 | Active | checked 2026-08-23 |
| NuvocargoAI Your AI partner for North America truckload freight | Vertical AI agentsAI freight and logistics optimization | Y CombinatorW18 | Active | checked 2026-08-23 |
| Observe.AIAI Contact center AI platform. | Vertical AI agentsContact center quality assurance and agent coaching | Y CombinatorW18 | Active | checked 2026-08-23 |
| TributiAI Tax filing automation for individuals in Latam. | Vertical AI agentsTax filing automation for individuals | Y CombinatorW18 | Active | checked 2026-08-23 |