A small and midsize business (SMB) is a business which, due to its size, has different IT requirements—and often faces different IT challenges—than do large enterprises, and whose IT resources (usually budget and staff) are often highly constrained. For the purposes of its research, Gartner defines SMBs by the number of employees and annual revenue they have. The attribute used most often is number of employees; small businesses are usually defined as organizations with fewer than 100 employees; midsize enterprises are those organizations with 100 to 999 employees. The second most popular attribute used to define the SMB market is annual revenue: small business is usually defined as organizations with less than $50 million in annual revenue; midsize enterprise is defined as organizations that make more than $50 million, but less than $1 billion in annual revenue.

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(Graphic designed by Scott Lewis from the Noun Project) SummaryArticle NameWhat is SMB? - Small and Midsize BusinessGartner, Inc.Gartner, Inc.DescriptionA small and midsize business (SMB) is a business which, due to its size, has different IT requirements—and often faces different IT challenges—than do large enterprises