A b s t r a c tThe article presents the results of scientific research in the context of development of technical approach to the cost-accounting in integrated production. The authors formulated the principles of integrated production, their main technological features that affect the formation of the basic and by-product cost index. The authors propose a universal cost allocation method in integrated production, based on balancing the profitability of sales of the two product groups -basic products of integrated production and products resulting from further processing of by-products and waste products.