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Market Research7 min read

Top-down vs bottom-up market sizing: when to use each — and why you need both

Market size estimates drive investment, hiring and valuation decisions, yet many rely on a single method. Top-down sizing starts from a large, published total and narrows it; bottom-up sizing builds from customers, usage and price. Each has blind spots. Triangulating the two — and testing assumptions with experts and buyers — produces numbers leaders can defend.

Hoog Research Team

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