The task is to define the accounting policies and to show their application in business enterprises. The history of formation of accounting policy was shown. They are based on the accounting standards that explains and prescribes methods of processing of business process and financial statements. Here were presented adopted international accounting standards, which are the base for the development of International Financial Reporting Standards and Croatian Financial Reporting Standards. Those who are essential to the company's business are described and their importance in accounting policies was stated. After the company adopts accounting policies, compiles a chart of accounts, according to which are recorded bookkeeping documents. The chart of accounts consists of ten grades. Dana accounts following the company's business in a calendar year and together make up the balance. Based on the balance sheet are produced financial statements that accompany the performance and financial position of the business. To report correctly they must meet certain characteristics that are described in the work. The most comprehensive financial statements showing the company's business presented to selected company Charvat d.o.o. Daruvar for 2014. The following will apply accounting policies based on the financial statements Charvat d.o.o. Daruvar and shows the individual business process accounting to the adopted accounting policies. A company management which adopt accounting policies has the ability to change them if they fulfill certain conditions for change. Any change should be published in the financial statements. With the change in accounting policy the company changed the methods of processing business events. Any change in calculation method follows the change in the financial balance sheet. The end result is a change in the financial statements and the impact oft he change of company profits. Based on data from the financial statements of companies Charvat d.o.o. we will apply a change in accounting policy on more business processes and compare the results.