Definition

SMB (small and medium-sized business or small and midsized business)

Part of the Business terms glossary:

SMB is an abbreviation for small and medium-sized business, sometimes seen as small and midsized business. A business with 100 or fewer employees is generally considered small, while one with 100-999 employees is considered to be medium-sized.

SMB also stands for "Server Message Block" in the Server Message Block Protocol.

This was last updated in September 2005
Posted by: Margaret Rouse

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