The present study was carried out with the objective of determining the influence of construction costs on the profitability of the construction company Sin Fronteras Consultores y Ejecutores S.A.C. in 2018. The type of study used is non-experimental, causal correlational design, and cross-sectional. Likewise, the applied research methods were descriptive and analytical. We worked with the same population and sample, represented by the company Constructora Sin Fronteras Consultores y Ejecutores S.A.C. For data collection, the technique of documentary analysis, the interview and the survey was used, whose instruments were the analysis of the document guide, the interview guide and the questionnaire, respectively. The information analysis has been carried out using descriptive and inferential statistics, as tools for data processing the Microsoft Excel 2016 program and the statistical soft...