Preneur Lab - Tech for Social Good

Stop Guessing Your Potential: The Startup Market Size Formula 📊

When a founder says, "Everyone with a smartphone is my customer," investors usually hear, "I haven't done my homework." To build a sustainable business, you need to understand the TAM, SAM, and SOM model. It’s the roadmap that takes you from a big, blurry dream to a concrete, actionable sales plan.

Breaking Down the Layers 🎯

Think of your market like a target. You start from the outside and work your way to the center:

TAM (Total Addressable Market): This is the total demand for your product if you had 100% market share and no competitors. It’s the "dream" number.
Example: Every person in the world who eats food.

SAM (Serviceable Addressable Market): This is the portion of TAM that fits your specific product, geography, and price point.
Example: People in Southeast Asia who buy organic groceries online.

SOM (Serviceable Obtainable Market): This is your short-term reality. Who can you actually reach and serve in the next 1-2 years with your current budget?
Example: Organic grocery shoppers in Dhaka.

Why Founders Love This Formula 🚀

It Builds Credibility: It shows you understand your limitations and have a focused strategy.
It Guides Resource Allocation: You stop wasting marketing budget on people you can’t actually serve yet.
It Sets Goals: Your SOM becomes your immediate sales target. Once you conquer the SOM, you expand to the rest of the SAM!