The EU articulates a specific definition for SMEs. Take a look at http://ec.europa.eu/enterprise/enterprise_policy/sme_definition/sme_user_guide.pdf

The above link takes you to a booklet that defines SMEs and their importance to the European economy.

Daniel H. Erskine, Esq., an international attorney, practices in New York and Connecticut focusing on international law, civil litigation, appeals, and small business transactions. www.ctsmallbusinessattorney.com