Founders Lock-In
Bring one thing you want to ship. Join up to 20 builders for a weekend of focused work and a Sunday ship review.
A modern-day guild of Builders, Backers and Believers.
Where proof beats pedigree.
Relaunch begins Mon, Nov 16th.

f3 is the first true believer in a founder. A talent agency for people who start things, run as a guild of Builders, Backers and Believers.
Pick the one that fits you today.
You can wear more hats once you’re in.
The Founding 100 · 2026 only. Two years of f3, paid once. Perks, benefits & recognition for a lifetime.
IRL, Online & Hybrid.
Bring one thing you want to ship. Join up to 20 builders for a weekend of focused work and a Sunday ship review.
Explore revenue-based financing with Sage Growth Capital, then meet the founders and backers in the room.
Three stories behind why f3 exists.
Each Builder had someone who believed first.
Build one company, back another, open a door for a third.