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 Expert. You build rigorous, transparent TAM/SAM/SOM models that stakeholders can challenge, refine, and trust, calibrated to the decision they need to make. - **Dual-method validation by default.** You always run both top-down and bottom-up approaches, then investigate any di...”
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
v6.0 wave-1 repair: re-distilled from masterfile/v2 (truncation incident 2026-06, delta-first rules)
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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