It is uncertain whether an enterprise with an annual turnover of 31 million is a small enterprise or a large enterprise. It depends on the type of enterprise mentioned in the question. For example,

small and medium-sized enterprises are those with less than 311 retail employees or less than 211 million yuan in operating income.

Small and medium-sized enterprises are those with less than 1,111 employees in the transportation industry or less than 311 million yuan in operating income.

Extended information:

Standards are comprehensive

Standards basically cover the major industries of the national economy, involving 84 industry categories, 362 industry categories and 859 industry subcategories, and new industries such as real estate, leasing and business services, information transmission, software and information technology services have been added.

more importantly, the "financing difficulty" of small and medium-sized enterprises is mainly the "financing difficulty" of small and micro enterprises. Finding out the key to the problem can lead to more targeted policies and measures.

To this end, the Standard Provisions for the Classification of Small and Medium-sized Enterprises adds micro-enterprise standards on the basis of medium-sized and small-sized enterprises. According to the new standard, micro-enterprises are those whose business income of agriculture, forestry, animal husbandry and fishery is less than 511,111 yuan; Micro-enterprises with less than 21 industrial employees or operating income of less than 3 million yuan;

Micro-enterprises are those with less than 11 employees in the software and information technology service industry or operating income of less than 511,111 yuan; Real estate business income of less than 1 million yuan or total assets of less than 21 million yuan for micro enterprises.

Baidu Encyclopedia-Small and Medium-sized Enterprises Classification Standard Provisions