TAM/SAM/SOM Market Sizing with Brazilian Data
Calculate addressable market size using reliable Brazilian data sources.
Estimate Total Addressable Market (TAM), Serviceable Addressable Market (SAM), and Serviceable Obtainable Market (SOM) using top-down and bottom-up methodologies with real Brazilian market data.
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Prompt objective
Estimate Total Addressable Market (TAM), Serviceable Addressable Market (SAM), and Serviceable Obtainable Market (SOM) using top-down and bottom-up methodologies with real Brazilian market data.
Real use case
Rafael Oliveira wants to launch an online scheduling platform for barbershops. He needs to size the market for the pitch deck he'll present at Startup Weekend São Paulo, using data from IBGE and SEBRAE.
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Prompt
Calculate the TAM, SAM, and SOM for [STARTUP NAME], which offers [PRODUCT/SERVICE] to [TARGET AUDIENCE] in Brazil.\\\\\\\\n\\\\\\\\n**Business details:**\\\\\\\\n- Sector: [SECTOR]\\\\\\\\n- Planned average ticket: R$ [AMOUNT]/[month/transaction/year]\\\\\\\\n- Revenue model: [RECURRING/TRANSACTIONAL/MARKETPLACE]\\\\\\\\n- Initial geography: [CITY/STATE/REGION]\\\\\\\\n\\\\\\\\n**1) TAM (Top-Down):**\\\\\\\\n- Total number of potential customers in Brazil\\\\\\\\n- Sources: IBGE, RAIS/CAGED, SEBRAE, sector associations, Federal Revenue (CNPJs by CNAE)\\\\\\\\n- Potential revenue if 100% of the market were captured\\\\\\\\n- Projected sector growth (5-year CAGR)\\\\\\\\n\\\\\\\\n**2) SAM (Accessible):**\\\\\\\\n- Accessibility filters: geographic, technological (internet access, smartphone), purchasing power\\\\\\\\n- % of TAM that the solution can realistically reach\\\\\\\\n- Analysis of Brazil-specific adoption barriers\\\\\\\\n\\\\\\\\n**3) SOM (Obtainable - 3 Years):**\\\\\\\\n- Bottom-up calculation: acquisition capacity × conversion × ticket\\\\\\\\n- Market share benchmark from similar startups in Brazil (e.g., iFood in first 3 years)\\\\\\\\n- Scenarios: conservative, base, optimistic\\\\\\\\n\\\\\\\\n**4) Supplementary Analysis:**\\\\\\\\n- 5 direct competitors with revenue estimates\\\\\\\\n- Macro trends expanding or contracting the market\\\\\\\\n- Regulatory risks (LGPD, sector-specific regulation)\\\\\\\\n- Sector seasonality\\\\\\\\n\\\\\\\\n**5) Visualization:**\\\\\\\\n- TAM > SAM > SOM diagram with values in R$\\\\\\\\n- Assumptions table with verifiable sources\\\\\\\\n- Disclaimer about estimation limitations\\\\\\\\n\\\\\\\\nPresent calculations step-by-step so they can be audited by investors.
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