Serviceable available market

Serviceable addressable market (SAM; also served available market) is the part of the total addressable market (TAM) that can actually be reached.

[1] The serviceable available market or served addressable market is more clearly defined as that market opportunity that exists within a firm's existing core competencies and/or past performance.

The biggest consideration when calculating SAM is that a firm most likely can only service markets that are core or directly adjacent to its current customer base.

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