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ekatasingh1107
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tam-calculator

Calculate TAM, SAM, and SOM using top-down and bottom-up data.

2|Updated Apr 11, 2026
Search Tags:#research#forecasting#market-sizing#sam#som#tam
One-click install
npx skills add https://github.com/ekatasingh1107/b2b-gtm-skills --skill tam-calculator-ekatasingh1107
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: tam-calculator
Source: https://github.com/ekatasingh1107/b2b-gtm-skills/tree/main/skills/capabilities/tam-calculator
Command: npx skills add https://github.com/ekatasingh1107/b2b-gtm-skills --skill tam-calculator-ekatasingh1107

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Precisely sizes market opportunity for agency services by calculating Total Addressable Market (TAM), Serviceable Addressable Market (SAM), and Serviceable Obtainable Market (SOM) so teams can prioritize segments, plan capacity, and make data-driven expansion decisions.

Core Features & Use Cases

  • Top-down and bottom-up methods: Collects industry and macro data, applies segmentation filters, and builds unit-economics to produce complementary estimates.
  • Triangulation & assumptions tracking: Compares results, highlights variance drivers, and documents all assumptions and data sources for auditability.
  • Growth projections and competitive mapping: Produces CAGR scenarios, multi-year projections, and a competitor category map to inform go-to-market strategy.
  • Use case: Evaluate whether to launch Shopify CRO services into a new country by estimating market size, reachable revenue, and required capacity.

Quick Start

Size the TAM, SAM, and SOM for Shopify CRO services targeting D2C brands in India and the US using agency configuration and any known unit-economics.

Frequently Asked Questions about tam-calculator

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

FAQPage Schema
How do I calculate TAM, SAM, and SOM for a new market entry?▼

You can calculate TAM, SAM, and SOM by triangulating top-down industry data with bottom-up unit-economics, applying filters across industry, geography, company size, platform, and service scope to estimate addressable market opportunity.

What is the best way to size market opportunity for agency services?▼

The best way to size market opportunity for agency services is to apply segmentation filters to top-down industry data and bottom-up unit-economics, producing triangulated TAM, SAM, and SOM estimates for data-driven expansion.

Can I use bottom-up unit-economics alongside top-down industry data for market sizing?▼

Yes, you can use bottom-up unit-economics alongside top-down industry data. This Skill compares both methods to produce complementary TAM, SAM, and SOM estimates while highlighting variance drivers for auditability.

How do I forecast CAGR scenarios and map competitors when expanding into new geographies?▼

To forecast CAGR scenarios and map competitors during geographic expansion, this Skill generates multi-year projections and a competitor category map from collected industry data to inform your go-to-market strategy.

What data do I need to estimate Serviceable Obtainable Market for a specific platform?▼

To estimate Serviceable Obtainable Market (SOM) for a specific platform, you need access to agency configuration, web search for market reports, and optional inputs like current revenue, customer count, and average deal size.

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