Backbook

Write a 10x bigger
angel check

Get more capital for your best angel investments and keep the carry:

  1. Submit an angel investment you’re making (<5 min)
  2. Our agents underwrite it in minutes and match your check up to 10x
  3. Keep your own upside, plus 25% carry on dollars we give you
Say you invest at a $20M post and the startup exits for $1B post-dilution
Without Backbookyou invest$5k×50your return$250kWith Backbookyou invest$5k+Backbook matches 10x$50k×50your return$862.5k$250k from your investment+$612.5k more from Backbook (25% carry)

We’re starting by semi-autonomously deploying $1M, with follow-on capital available. The best investors also get invited to our private angel chat.

FAQ

Built by Parth

Trusted by founders, operators, and angels

“When I write an angel check, I’m committing to a long-term relationship with a founder — being in their corner, especially during hard decisions. Backbook lets…”
— Brian, Founder
“Most interesting structural idea in venture in years. You champion…”
— Angel investor
“Seamless process using Backbook to double down on my angel investment in a robot restaurant startup. Two hours…”
— Arthaud, Founder

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