Purpose of the research lies in grounding of the theoretical statements and developing of the practical recommendations on improvement of organization and methods of accounting for transactions in foreign currency. Object of the research is the enterprise's transactions in foreign currency, which are reflected in accounting. Subject of the research is the set of the theoretical, organizational and methodic aspects of accounting for transactions in foreign currency at business entities. Methods of the research: induction and deduction, analysis and synthesis, theoretical generalization, system approach, method of cause-and-effect relations, method of comparartive characteristics, comparison, grouping, specification, analogy, dialectic method, modeling, graphic method. The main statements of the scientific novelty of the results obtained lie in the following: for the first time the issues as follows have been obtained: identification of accounting objects within transactions in foreign currency in part of distinguishing unrealized exchange differences in the enterprise's assets and liabilities; the following issue has been improved: accounting policy statements concerning transactions in foreign currency (choice of the functional currency and exchange rate for translating the cost of assets, liabilities and owners' equity; recognition of monetary and non-monetary items; recognition of realized and unrealized exchange differences), as well as procedure of financial statements' items translation into presentation currency (choice of the presentation currency, translation method and exchange rate for its carrying out); methodic approaches towards accounting for transactions in foreign currency in part of accounting reflection of realized and unrealized exchange differences; order of forming indicators of financial (the form № 1 "Balance Sheet", № 5 "Notes to Annual Financial Reporting") and internal reporting in part of disclosing information about influence of exchange rates fluctuations; organizational and methodic support of preparing financial reports in foreign currency on the basis of the developed algorithm of items translation; the following issues have undergone further development: formation of the conceptual set of accounting in part of distinguishing concepts "foreign currency transaction in foreign economic activity", "transaction in foreign currency", determination of their interconnection for improving organization and methods of their accounting reflection; concept "translation of financial statements items into presentation currency" with the purpose of accounting terminology unification; systematization of approaches towards translation of financial statements items into foreign currency in English-speaking countries. Implementation extent: research results have been implemented into the practice of Public Joint Stock Company "Ternopil Radio Plant "Orion", LLC "Integral", PE "Factory of Furniture "Nova", LLC "Shreder". Separate research results have been implemented in the educational process of Ternopil National Economic University.