Financial Statement Analysis represents an important instrument for evaluating business safety and success of leasing companies that are in the role of lessors. Lease as increasingly common method of financing the procurement of fixed assets, in terms of a dynamic business environment, allows lessees to increase competitiveness through the application of modern technology. Lease is most commonly used for financing procurement of personal and commercial vehicles, facilities, machinery, transportation equipment and equipage. Property ownership in leases relations is secondary category. Two basic types of leases are financial and operating lease for which ones the paper shows the fundamental differences and indicates accounting and tax impacts with lessor and lessee. For small and medium-sized enterprises, leases represents more accessible instrument for assets financing than classical borrowing. The benefits of the existing operating lease accounting recording enable them off-balance sheet financing or concealment of the actual state of indebtedness. The proposal of the new accounting treatment of leases is aimed at ensuring the recognition of all assets and liabilities arising from lease agreements with lessors and lessee. The effects of the accounting treatment of leases are reflected in the financial statements of lessors and lessee that serve as analysis basis to the users of the financial statements, especially to analysts and investors. According to the results of the analysis conducted, leasing activity is characterized by dependence on external sources of funding, high level of debt and reduced liquidity. The activity ratios show that in the leases activity, assets are slowly converted in revenue during one year. Lease market in Croatia achieved growing trends since 2009, since when is recording a decrease in business volume of leasing companies tracked by the amount of assets. The above is related to the consequences of the economic crisis, which has caused lower tendency of enterprises for expansion and acquisition of new assets, and this trend still continues. What requires further caution is the fact that there is weakening of most indicators of leasing companies in 2014.