The process of employee branding (EeB), according to Miles and Mangold (2004; 2005) promotes and strengthen the psychological contract between employees and the organization by increasing and maximizing the employees’ sense of commitment and loyalty. The object of this research focuses on the measurement of the impact of mentoring and helping relationships in the informal process of EeB, with a focus on People and on an integrated vision of the Human Resources Management and Organizational Behavior, based on the exchange ratio of Relationship Marketing. With the introduction of a new variable (mentoring and helping relationships), this article focuses on the construction of the measuring instrument and the confirmation of its validity and reliability, in order to measure the involvement and internalization of the “effect of employee brand” in organizations.info:eu-repo/semantics/publishedVersio