Abstract This study aimed to find the factors that influenced solvency of insurance companies which listed in PEX, so, we use a panel data for seven firms from (2012-2019), and test the impact for five independent variables: profitability, liquidity, financial leverage, investment and claims on solvency as a dependent one, and took firm size as a control variable. Accordingly, multi-regression model used and found that profitability and liquidity insignificantly affect solvency, in converse each of financial leverage, investment and claims have a significant positive impact on solvency. accordingly, we recommend the Palestinian insurance companies to invest in surplus and liquidity, in addition to take a strict policy to accept risks. Keyword: "Solvency determinants," "Insurance companies," "Palestine Exchange," "Financial leverage