The general objective of this research was to determine the degree of relationship between the accounting system and decision-making in the company Inversiones Díaz E.I.R.L. period 2021, taking the type of applied study and descriptive level - correlational and non-experimental design, where a population made up of 45 workers from the 4 company headquarters was included, who were surveyed through the survey technique and as instrument the questionnaire. Then, the research concludes that there is a considerable relationship between the operational characteristic and decision making, since it obtained a correlation coefficient of 0.847. Likewise, there is a considerable relationship between the ability to withstand changes and decision making, since there is a correlation coefficient of 0.770. On the other hand, to conclude that there is a considerable relationship between adaptability to...