Internal control as a fundamental tool for the proper functioning of the accounting and financial rules of an entity, seeks today to maximize its progress in order to achieve the objectives set, which is why in this research work is presented to the Company Inversiones Paraíso EIRL a proposal for the implementation of an internal control system for the treasury area, in order to know how it affects its financial management during the development of fiscal year 2017. For this reason, the main objective is the proposal to implement an internal control system for the treasury area that efficiently affects the financial management of the company Inversiones Paraíso E.I.R.L. For the development of the present work, it was taken as a population and shows the Investment Company Paradise E.I.R.L., and a survey was applied to the personnel that works in the company, through a questionnaire of q...