Every YC company, searchable by what it actually does.
6,484 companies and 9,298 founders from 50 batches, 2005 to today. Ask in plain English, or browse by batch, industry, and tag. Answers cite the actual companies.
1,487 of them are hiring right now.
What's in the data
Pulled from YC's public directory every night, then enriched with company websites, founder profiles, GitHub activity, and the tools each company uses.
Largest industries
- B2B3,272
- Consumer898
- Healthcare716
- Fintech675
- Engineering, Product and Design639
- Industrials516
- Infrastructure349
Rising in recent batches
How much more often a tag appears in Winter 2026 to Fall 2026 than across all of YC.
- 1AI1.5×380 cos
- 2Robotics2.8×63 cos
- 3Infrastructure2.8×62 cos
- 4Hard Tech2.6×53 cos
- 5Hardware2.2×57 cos
- 6Manufacturing2.4×39 cos
- 7Reinforcement Learning3.5×25 cos
- 8Enterprise Software1.8×36 cos
- 9Defense3.6×19 cos
Fall 2026
A few of the 233 companies in the latest full batch. In the app, every row opens founders, website, tech stack, and similar companies.
Adalat AIAI OS transforming courts, accelerating justiceGovernmentHiring
Perit.AIExpert-collected voice, egocentric and RL training data for frontier…B2B
Ignition BenefitsThe AI-Native Benefits BrokerageFintechHiring
GatherHQApplied AI for Enterprise GTM (3X founders, 10X growth, backed by ANT)B2BHiring
InvertixAI agents that operate energy plants and datacentersIndustrials
AscenixCustom software for senior care facilities.Healthcare
ForwardThe private credit network for leading debt advisorsFintech
Theseus RoboticsHumanoids to restock retail shelves & pick ordersIndustrials
AilitElectrifying North American freight rail with swappable batteries.Industrials
Grep AISelf-improving agents that automate your growth bottlenecksB2B
Showing 10 of 233.
How it works
- 01
Start with a question or a batch
Ask something like “who's building payroll for restaurants?”, or click a batch, industry, or tag in the sidebar to see who's in it.
- 02
Open what looks interesting
Answers come back as company and founder cards. Each one opens the full profile: what they do, who started it, their stack, and companies like it.
- 03
Narrow it down
Follow up in the chat (“only ones hiring”, “show it as a graph”) and the companies list updates next to the conversation.
Free while it's in beta.
No credit card. Takes about a minute.