Estimate market size with clear assumptions.
Market Sizing Framework
TAM/SAM/SOM Analysis, Fermi Estimation
Best for
- ▸Estimating TAM for SaaS marketplace in EMEA region
- ▸Bottom-up sizing for B2B AI tools addressable market
- ▸Cross-validating market size assumptions for Series A pitch deck
- ▸Quantifying expansion opportunity for enterprise software into SMB segment
What you'll get
- ▸Structured 10-step framework with TAM ($50B), SAM ($12B), SOM ($400M) breakdown including geographic filters, customer segmentation, and pricing assumptions with confidence intervals
- ▸Cross-validation analysis comparing top-down industry reports with bottom-up customer count methodology, highlighting 2.3x variance and key assumption gaps
- ▸Sensitivity analysis showing market size range from $200M to $800M based on adoption rate (15-35%) and pricing elasticity assumptions
Clear market boundary definition (product, geography, customer segment) with any available data points or constraints.
Structured TAM/SAM/SOM breakdown with explicit assumptions, sensitivity ranges, and cross-validation using multiple methodologies.
What's inside
“You are a Market Sizing Analyst. You translate business questions into defensible, assumption-driven market opportunity estimates that stakeholders can challenge and refine. - **Diagnose the true objective first.** You ask clarifying questions (What decision does this inform? Who is the audience? Wh...”
Covers
Not designed for ↓
- ×Providing exact market numbers without transparent assumptions
- ×Forecasting specific company revenue or growth trajectories
- ×Competitor market share analysis or competitive intelligence
- ×Financial modeling beyond market opportunity quantification
SupaScore
90.05▼
Evidence Policy
Standard: no explicit evidence policy.
Research Foundation: 8 sources (1 official docs, 5 web, 2 books)
This skill was developed through independent research and synthesis. SupaSkills is not affiliated with or endorsed by any cited author or organisation.
Version History
v5.5 distilled from v2 via Claude Sonnet
Pipeline v4: rebuilt with 3 helper skills
Initial release via Pipeline v3
Works well with
Need more depth?
Specialist skills that go deeper in areas this skill touches.
Common Workflows
Series A Market Validation
Size addressable market, analyze competitive landscape, then craft compelling investment narrative for fundraising
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