Effective communication is one of the biggest challenges for companies and organizations today at both national and international (global) levels. The purpose of this article is to show the results of a study carried out by an international group of researchers who were interested in characterizing and comparing communicative behaviour of Finnish and Mexican employees when interacting with their bosses. The article includes the following: first, a brief theoretical framework; second, the methodology used; third, the results of the comparative statistical analysis between Finnish and Mexican employees; fourth, general conclusions and their cultural explanation; and fifth, theoretical and practical implications of the study concerning the communicative competences required for effective communication between employees and their bosses in both national and international (global) organizations. Origen del artículoResultados de la investigación realizada por un equipo internacional de investigadores de San José State University, University of Jyväskylä (Finland Europe), Tecnológico de Monterrey, interesados en descubrir y comparar las conductas comunicativas o estilos de comunicación de los empleados finlandeses y mexicanos cuando interactúan con sus superiores (2007).