Currently, the topic of entrepreneurship seeks to understand entrepreneurial activity and the factors behind the generation of entrepreneurial activities. However, during the last decade a new construct known as corporate entrepreneurship (CE) or intrapreneurship (IE) is considered as a concept applied in different contexts and is not yet developed thoroughly within organizations. The objective of the study is to determine the validity of a measurement instrument, whose unit of analysis is focused on employees working in companies of the trade sector in the municipality of Ensenada, Baja California, Mexico, specifically aimed at administrative employees, middle and upper management in trade companies. For the content validity, a review by seven experts was applied, followed by a pilot test with a representative sample of 30 middle management employees, then a factor analysis and the vali...