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Market Sizing Analyzer

“TAM/SAM/SOM in 45 minutes.”

Calculate TAM/SAM/SOM with bottom-up and top-down estimates. Get data sources and assumptions documented.

/market-sizing-analyzer

Time Saved

4 hrs → 45 min

Compared to doing it manually

Slash Command

/market-sizing-analyzer

Type this in Claude to run the workflow

Framework

TAM/SAM/SOM Framework

Research-backed methodology

The Problem

You need market sizing for a fundraising deck or board presentation. Researching market data and building the model takes 4+ hours.

How this workflow works

You provide inputs

Competitors, interviews, research data, etc.

Lead spawns 2 teammates

Each teammate gets a specialized task

1
2

Each teammate works autonomously on their specialized task

Lead synthesizes findings

Cross-references, deduplicates, and structures the report

Complete report

Ready for stakeholders, no rework needed

Skills powered by this workflow

This workflow chains together 2 PM skills:

  1. 1

    Market Sizing Calculator

    Competitive

    /market-sizing
  2. 2

    Competitive Landscape Mapper

    Competitive

    /landscape-mapper

What You Get

  • ✓TAM (Total Addressable Market) calculation
  • ✓SAM (Serviceable Addressable Market) breakdown
  • ✓SOM (Serviceable Obtainable Market) estimate
  • ✓Bottom-up and top-down approaches
  • ✓Data sources and assumptions documented
  • ✓Market trends and growth projections

How to use this workflow

  1. 1Get your PM OS to access this workflow
  2. 2Add the workflow file to your .claude/workflows/ folder in your project
  3. 3Type /market-sizing-analyzer in Claude to run the workflow

Best For

Fundraising decksBoard presentationsStrategic planningNew market evaluationProduct expansion decisions
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