Founder matching · Technical cofounders guide
Y Combinator Co-Founder Matching for Technical Cofounders
YC’s FAQ says non-technical founders generally need a technical co-founder to apply to YC. That makes a technical co-founder the partner the rule points to. Matching costs nothing to join, but invitations only flow after approval, and each match needs 2 to 4 weeks to judge. [1] [2]
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Your numbers if you’re the technical co-founder
Invitations per week, per member
Approval
- Your number
- Up to 1 week [2]
Close work before judging fit
- Your number
- 2 to 4 weeks [2]
YC application rule for a non-technical founder
- Your number
- Generally needs a technical co-founder [1]
| Item | Your number |
|---|---|
| Cost to join | $0[3] |
| Invitations per week, per member | 15[2] |
| Approval | Up to 1 week[2] |
| Close work before judging fit | 2 to 4 weeks[2] |
| YC application rule for a non-technical founder | Generally needs a technical co-founder[1] |
Why YC points non-technical founders to you
YC’s FAQ says non-technical founders generally need a technical co-founder to apply to the accelerator. That is an application rule, not a matching rule, so it doesn’t mean invitations arrive faster. It does mean a technical partner is the person the rule points to, and non-technical founders may be searching for people with your skills. [1]
What to check before you accept an invitation
Read the other founder’s full profile, including school, employer and bio. A match forms when you accept, so decide on fit, not on the invitation alone. YC recommends 2 to 4 weeks of close work before you judge fit, so treat the first call as a test rather than a commitment. [3] [2]
How to use 15 invitations if you’re the builder
Send invitations to founders whose stated goals match yours, not to every profile with a strong engineering background. Fifteen a week is small enough to write each one personally. Keep a list of who you invited and who accepted, because YC publishes no rate to compare your results with. [2]
Put the split in writing early
A co-founder has no formal legal definition, so a dispute about the split can start with no paper behind it. Founder stock usually vests over 3 to 5 years, usually monthly after a 6- or 12-month cliff. That is common practice, not a YC term. YC’s documents page lists SAFEs and side letters only, so you need a separate co-founder agreement. [4] [5] [6]
Who this suits
Yes, if you want a business partner and can judge a non-technical founder’s goals. The filters can surface non-technical founders, and their profiles give a school, employer and bio to start from. Be patient if you expect quick replies. Approval takes up to a week, and a match needs weeks of work before it proves itself. [2] [3]
Bibliography
Sources
- YC FAQ (official)
- Startup School FAQ (co-founder matching) (official)
- YC Co-Founder Matching homepage (official)
- Wikipedia: Co-founder (independent)
- Wikipedia: Vesting (independent)
- YC Documents page (official)