SME Daniel Guidotti 14 years ago SMESmall and midsized enterprises. Companies that are below a certain size in terms of revenue or the number of employees. The size limits vary from one country to another.Random Finance Terms for the Letter SSlippageSmall-Firm EffectSmall Issues ExemptionSMESmithsonian AgreementSocial Security ActSociety for Worldwide Interbank Financial TelecommunicationsSoft Capital RationingSoft CurrencyRecommended for you:Smithsonian Agreement Soft Capital Rationing Society for Worldwide Interbank Financial Telecommunications (SWIFT) Social Security Act