The state of the trade cooperation in Siberia in 1926-1929 is described in the article. Such aspects as organizational building, economic development and regional specificity in the context of the transformation of associations of small industrial producers into an independent cooperative system is analyzed. Attention is paid to the peculiarities of the emergence and priority areas of activity of the Siberian Trading Union. The relevance of the study is due both to the ongoing discussion about the assessment of the state of industrial cooperation on the eve of the “great turning point”, as well as its scale and role in the development of the region. The author formulates her own approach to assess the socio-economic processes in small-scale industrial production. It is concluded that the overall result of the organizational and economic development of the Siberian trading cooperation in recent years of the new economic policy was its transformation into a force that could influence the further development of associations of handicraftsmen and artisans, but protectionist measures increased the dependence of artels on state bodies in terms of financing. supply, sales organization and created the prerequisites for the nationalization of the industrial cooperation of Siberia. The main sources of work were materials from the funds of the State Archives of the Russian Federation, the State Archives of the Novosibirsk Region, the State Archives of the Altai Territory, some of which are being introduced into scientific circulation for the first time
