The paper presents the results of analyzes the profi tability of 281 companies listed on the Banja Luka Stock Exchange in the period 2017−2018. The results indicate that companies have a positive net result on average, but the level of profitability is not at a satisfactory level. In 2018, the average return on assets is 0.55%, while the average net profi t margin is 2.39%. In 2018, 61% of enterprises earned positive net income. Furthermore, a study of the infl uence of factors on the profi tability was carried out using regression analysis. The results show that the company’s liquidity, the growths of the company measured by sales growth and lagged profitability have a significant and positive effect on profitability.