HalfBuilt

Find your perfect co-founder match

No idea should be left HalfBuilt.

Connect with ambitious founders around the world. Build your dream team with people who share your vision and complement your skills.

Built by a founder for fellow founders, because a great idea should never be abandoned just for want of the right person to build it with.

No marketing spam. We never sell your data.

  • Privacy protected
  • Founder profiles
  • Global startup network

Help us grow HalfBuilt

HalfBuilt is a new initiative and is currently completely free and run as a non-profit project. If you believe in helping founders find the right co-founder, we’d really appreciate you sharing HalfBuilt with startup communities, founder groups, accelerators, universities, and anyone who might benefit.

Every share helps another idea find the right team.

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Why founders choose HalfBuilt

Built for the global startup ecosystem, with the features that matter most to founders.

Browse listings

Discover founders and startups worldwide. Filter by skills, industry, stage, and location to find the right match.

Privacy first

You decide what to share. Your date of birth stays private, and your details stay protected until you choose to connect.

Quick connections

A streamlined path to reach potential co-founders in minutes, not months, anywhere in the world.

Real founder profiles

Profiles built around real skills, experience, and portfolios, so you meet founders who are serious.

Discover founder events near you

Find networking meetups, startup sessions, pitch nights, and founder communities happening around the world.

Know when a startup needs a co-founder

Get an email when a new startup posts that it is looking for a co-founder who matches your interests. You choose the topics, and you can unsubscribe any time.

No marketing emails, ever. We are founders too, and we do not have time for that.

Stories from the community

How founders around the world imagine using HalfBuilt.

Illustrative examples
I was struggling to find a technical co-founder locally. HalfBuilt connected me with someone who shared my vision within weeks.
JCJames CarterProduct founderLondon, United Kingdom
It was easy to browse founders across different industries. I am now in talks with two potential co-founders.
AIAnanya IyerStartup enthusiastBengaluru, India
I love the privacy-first approach. I felt comfortable sharing my idea knowing my details were protected.
MCMichael ChenAspiring entrepreneurNew York, United States
The global reach is a game changer. I connected with a co-founder from a completely different market.
LMLena MüllerFirst-time founderBerlin, Germany
Simple, clean, and effective. I found someone with the exact skills I needed in just a few days.
WLWei LinSide-project builderSingapore
Finally, a platform that respects a founder's time. No spam and no noise, just genuine connections.
OAOmar Al-FarsiTech entrepreneurDubai, United Arab Emirates

Your idea deserves a co-founder

Join founders around the world and start building together today.