Acronym for Small and Medium Enterprises. It is also known as SMBs (small and medium-sized businesses). They are limited to a certain number of employees and business volume per year. These limitations way change slightly from country to country.

Inside this category, in Spain, there are all those companies that have less than 250 employees (500 in USA, although in some cases it may be up to 1500) and its business volume per year is no more than 50 million euros, or its general balance does not exceed 43 million euros. smes are an important part of any economy. In fact in Europe they contribute to 75 million jobs and they represent 99% of all companies.