WHAT IS A MSE It is defined as micro and small enterprises (MSEs) to the economic unit, whether natural or legal person, whatever form of organization, which aims to develop activities in mining, processing, production, marketing of goods or services. MICRO ENTERPRISE: - From 1 employee to 10 employees. Brad Powers - With annual sales of up to 150 ITU (480,000.00 nuevos soles). SMALL BUSINESS: - From 1 employee to 20 employees.