HG Insights’ “Definitive Guide to TAM, SAM, SOM” lays out a precise, data-driven framework for go-to-market strategy by redefining how companies understand Total Addressable Market (TAM), Serviceable Addressable Market (SAM), and Serviceable Obtainable Market (SOM). It critiques traditional top-down market sizing as too broad and static, often leading to poor targeting, wasted resources, and misaligned sales and marketing. Instead, it advocates for a granular, account-level approach rooted in firmographics, technographics, and intent data. With step-by-step guidance and tools like HG’s Market Analyzer, businesses can define, segment, and prioritize their markets for more accurate targeting, faster execution, and better ROI.

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