Introduction. In terms of the ISO 22301 requirements about ensuring the enterprise continuity under the increasing external environment variability, it is necessary to form control contours for maintaining the reorganization sustainability of corporate enterprises and their integrated associations. The purpose of scientific research is to develop theoretical and methodological bases for ensuring the sustainability of the reorganization of the activities of integrated associations of corporate enterprises. Results. The corporate architecture concept usage to ensure the sustainability of the enterprise activities reorganization has been proposed. The connection between the enterprise activities reorganization, its reorganization as a legal entity, and the redistribution of corporate control have been determined. The Open Group Architecture Framework (TOGAF), the architectural modeling language Archimate, and the OMG Essence standard (the kernel and Language for Software Engineering Methods) have been used as the research's methodological basis. The author's approach specific distinction is the program of enterprise activities reorganization subordination to the vision of key stakeholders about the list of practices used to create consumer value. The possibility of maintaining the stability reorganization of the enterprise and its activities by using the concept of successful organizational transformations has been reflected. The practical significance of the developed technology of the reorganization sustainability is laid in providing business entities the tools for matching critical elements of the current and future enterprise’s business model. This matching gives to the enterprise management possibility to develop the organizational transformation program. Conclusions. The proposed technology of enterprise reorganization sustainability ensuring is focused on creating a successful socio-economic system and based on taking into account the interests of main stakeholders. However, the presented technology reveals only a higher level of corporate enterprise activity organization. Therefore, the prospects for further author’s research consist of detailing particular enterprise architecture elements and forming a model basis for their coordinated development. Keywords: the enterprise activity reorganization, corporate enterprise, integrated association of enterprises, enterprise architecture, and corporate control.