Blog > Business Plan


How to Calculate the Market Size of Your Startup
How to Calculate the Market Size of Your Startup

Learn how to calculate your startup's market size using bottom-up, top-down, and value-theory methods. Understand TAM, SAM, SOM, and what VCs actually look for.

By Stéphane Nasser| July 4, 2026
How to evaluate an early-stage startup
How to evaluate an early-stage startup

This is my homemade methodology to assess early-stage startups. It's a simple but thorough checklist that prospective founders, investors, and employees can go through before committing their time or money.

By Stéphane Nasser| July 7, 2020