After accession of Poland to the European Union Expert Group of the Polish Association of Engineers & Technicians of the Food Industry has been working on various orders from the Polish enterprises of food industry and trade to support their activity in highly competitive economy and the Single Market. Fields of the orders included opinion-making on innovations, quality aspects of food raw materials and finished products, standardization, training of employees, evaluation of losses and estate and other technical problems, too. The examples of the expert elaborations, concerning the enterprises of various food industry branches and food trade, have been given.