Archive - Product Market Fit

The Ultimate Capital Directory (+5,000 Investors, Angels, Funds and LPs)

Every Investor You Need for Your Next Round, Searchable by Sector, Stage and Cheque Size

6 hrs ago • Guillermo Flor

The $1B Fundraising Playbook

Every Round, Investor and Valuation Behind the 10 Fastest-Raising AI Companies (+ The Investment Theses behind)

Oct 27 • Guillermo Flor

Revolut Playbook: From a Travel Card to $2B in Revenue

The product, distribution and monetisation playbook behind eight years of growth, from £120k in 2015 to $2.2B in 2023.

Oct 26 • Guillermo Flor

The $100M GTM Playbook

How the Fastest-Growing AI Startups Built Their Sales and Marketing Machines

Oct 22 • Guillermo Flor

The B2B LinkedIn Playbook (+ Free Benchmark of 1,000+ Companies)

What 223,551 Posts Reveal About Who Should Post, How Often and What to Share

Oct 21 • Guillermo Flor and Sky Yang

We’re launching GR Angel: we invest in founders and put them in front of millions

A year ago we said we were building the Cluely of angel investing. 53 companies, one unicorn and $1.2B+ raised by our portfolio later, here's the full…

Oct 20 • Guillermo Flor and Ruben Dominguez

Where to Build Vertical AI: The Jobs the Big Models Skip

Seven Untested Markets and the Business Ideas That Win in Each

Oct 19 • Guillermo Flor

The All-in-One Investor Database (+7,000 Investors)

The only investor list you need, organized by investor type.

Oct 18 • Guillermo Flor

The Solo Founder Playbook: Railway From Side Project to $100M ARR

8 Operating Rules From Jake Cooper With Templates to Run Your Startup the Same Way

Oct 16 • Guillermo Flor

Hiring a Team of Grok Bots: The Complete Founder’s Guide

Everything You Need to Set Up a Lead Bot, Its Specialists and the Team Bots Your Staff Will Share

Oct 15 • Guillermo Flor

The Angels Behind 2026’s Hottest AI Startups

+120 Angels Behind the $48B Cognition (and 19 More Breakout AI Startups)

Oct 14 • Guillermo Flor

Harbor ($10M Seed) Pitch Deck: Who Insures AI Agents?

Four Stanford Founders Just Raised $10M to Solve a Problem Most Companies Haven’t Thought About Yet

Oct 13 • Guillermo Flor

#nojs-banner { position: fixed; bottom: 0; left: 0; padding: 16px 16px 16px 32px; width: 100%; box-sizing: border-box; background: red; color: white; font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol"; font-size: 13px; line-height: 13px; } #nojs-banner a { color: inherit; text-decoration: underline; } This site requires JavaScript to run correctly. Please turn on JavaScript or unblock scripts