The Definition of SMEs (revised and issued on September 2, 2009) is :
A SME shall refer to an enterprise that has completed company registration or business registration in accordance which the requirements of the law, and which conforms to the following criteria :
1. In the manufacturing, construction, mining and quarrying industries, a paid-in capital of NT$80 million (US$2.42 million) or less.
2. In the agriculture, forestry and fisheries, water, electricity and gas, commercial, transportation, warehousing and communications, finance, insurance and real estate, industrial and commercial services or social and personal services industries, sales revenue of NT$100 million (US$3.03 million) or less in the last year.
Depending on the nature of the business for which they are providing guidance, government agencies may base their definition of a SME on the number of regular employees as noted below :
1. In the manufacturing, construction, mining and quarrying industries, the number of regular employees must be less than 200.
2. For enterprises in the following industries, those enterprises with less than 100 regular employees are classed as small and medium enterprises: agriculture, forestry, fisheries and animal husbandry; water, electricity and gas; wholesaling and retailing; hotel and restaurant operation; transportation, warehousing and communications; finance and insurance; real estate and leasing; professional, scientific and technical services; educational services; medical, healthcare and social welfare services; cultural, sporting and leisure services; other service industries.
Micro enterprises refer to SMEs with fewer than 5 persons employed on a regular basis.