2,400+ founders matched

Find Your
Perfect Co-Founder

AI-powered matching that goes beyond resumes. We match on values, vision, and working style to find the co-founder you'll actually want to build with.

Trusted by founders from YC, Techstars & more
Co-founders collaborating
How It Works

Three Steps to
Your Co-Founder

01
Build Your Profile
Tell us about your skills, vision, values, and working style. Our AI builds a deep founder profile — not just what you do, but how you think.
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02
Get Matched
Our algorithm analyzes compatibility across 40+ dimensions. We surface 3–5 high-quality matches per week — no endless swiping.
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03
Build Together
Connect through structured intro calls. Our facilitated "test drive" projects help you validate compatibility before committing.
Features

Why Founders Choose Tandem

Built by founders who've lived through bad partnerships. Every feature exists because we learned the hard way.

🧬
Deep Compatibility Matching
40+ dimensions including risk tolerance, decision-making style, equity expectations, and long-term vision alignment.
🛡️
Verified Profiles
Every founder verified through LinkedIn, GitHub, or portfolio review. No catfishing in co-founder dating.
🧪
Test Drive Projects
48-hour micro-projects designed to test how you work together before you commit to the long haul.
📋
Equity & Legal Templates
Ready-to-use co-founder agreements, vesting schedules, and IP assignment docs vetted by startup lawyers.
2,400+
Founders Matched
380+
Active Startups
$48M
Raised by Pairs
92%
Still Together
Success Stories

From Strangers to Co-Founders

"I was a solo technical founder. Tandem matched me with a business co-founder who shares my obsession with developer tools. We raised our seed round in 3 months."
Marcus Chen
CTO, DevStack · YC W24
"The test drive project was genius. We built a prototype in 48 hours and realized we had insane chemistry. Six months later, we have 10K users."
Sarah Kim
CEO, HealthBridge · Techstars
"My previous co-founder breakup nearly killed the company. Tandem's compatibility analysis caught red flags I'd missed before. This time feels right."
David Park
CEO, Relay · Pre-seed
Ready?

Your Co-Founder Is
Already on Tandem

Join 2,400+ founders. Create your profile in 5 minutes. Your first matches arrive within 48 hours.