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vc-market-sizing

Automate bottom-up market sizing with TAM, SAM, and SOM calculations.

23|2|Updated Feb 10, 2026
Search Tags:#market-sizing#venture-capital#segment-analysis#som#arpc#tams
One-click install
npx skills add https://github.com/luisschmitzheadline/VC-Skills.md --skill vc-market-sizing
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: vc-market-sizing
Source: https://github.com/luisschmitzheadline/VC-Skills.md/tree/main/knowledge_skills/market_research/vc-skills-market-sizing
Command: npx skills add https://github.com/luisschmitzheadline/VC-Skills.md --skill vc-market-sizing

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Bottom-up market sizing provides data-backed estimates of market opportunity, enabling informed VC decisions and startup planning.

Core Features & Use Cases

  • ARPC-based market size calculation across defined customer segments
  • Segment discovery with mutually exclusive definitions and data-point collection
  • Top-down sanity checks for validation and scenario planning
  • Exportable tables, charts, and memo-ready summaries

Quick Start

Run the market-sizing workflow on your dataset to generate TAM, SAM, and SOM estimates with segment-level ARPC decomposition.

Frequently Asked Questions about vc-market-sizing

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I calculate TAM, SAM, and SOM using a bottom-up approach for VC analysis?▼

Bottom-up market sizing calculates TAM, SAM, and SOM by decomposing ARPC across defined customer segments, applying segment classification and data-point collection to generate investment memo-ready estimates.

What is ARPC decomposition and how does it work for startup market sizing?▼

ARPC decomposition breaks down average revenue per customer to calculate market size across mutually exclusive segments, enabling data-backed segment analysis and precise bottom-up estimates for VC due diligence.

Can I run top-down sanity checks against bottom-up market sizing estimates?▼

Yes, top-down sanity checks validate bottom-up market sizing estimates by comparing segment-level ARPC calculations against broader market data to support scenario planning and investment memo preparation.

Does this market sizing workflow require predefined customer segments and ARPC data?▼

The workflow applies segment discovery with mutually exclusive definitions and requires ARPC structures to perform bottom-up market sizing, making it suitable for startup benchmarking and due diligence contexts.

What is the best way to prepare investment memos with TAM, SAM, and SOM calculations?▼

Automating bottom-up market sizing generates exportable tables, charts, and memo-ready summaries with source references, providing validated TAM, SAM, and SOM estimates for investment memo preparation.

Why use bottom-up market sizing instead of top-down estimates for venture capital due diligence?▼

Bottom-up market sizing provides granular ARPC-based calculations across defined customer segments, offering more data-backed market opportunity estimates than top-down approaches for informed VC decisions and startup planning.

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