Iranian Financial Engineering Association(IFEA) International Journal of Finance & Managerial Accounting 2588-4379 8 30 2023 06 01 Designing the acquisition and integration model of knowledge-based and start-up companies using fuzzy method 217 232 21605 10.30495/ijfma.2022.66190.1813 EN Seyedeh Monireh Hosseini PhD Candidate in Financial Engineering, Roudehen Branch, Islamic Azad University, Roudehen, Iran Fereydon Rahnamay Roodposhti Professor, Department of Accounting, Roudehen Branch, Islamic Azad University, Roudehen, Iran Shadi Shahverdiani Assistant Professor, Department of Business Management, Ghods City Branch, Islamic Azad University, Tehran, Iran Journal Article 2022 02 20 Background and Aim: Designing a comprehensive model of acquisition and Merger, this is called the processes related to the composition and merger of companies. Acquisition and merger create a contunious competitive advantage, and this is when there is an incompatibility between the resources, capabilities and opportunities available for two companies. Resources include marketing excellence, distribution network, R&D, and surplus operational capacity.<br />Methodology: The methodology considered in this research is qualitative in which the grounded theory method is used. The statistical population of this research includes experts familiar with acquisition and merger in knowledge-based companies, of which 10 experts were identified. The snowball sampling method continued until the theoretical saturation was reached and is considered as a statistical sample of the research and finally analyzed by FDAHP Method.<br />Findings: In addition to special emphasis on various factors such as professionalism, performance management, empowerment, etc., this model, considering that the existence of knowledge-based companies increases the scientific capacity and also the synergy of science and knowledge among individuals of society is in opposition to the traditional knowledge system, that is also considered the context and structure of integration in knowledge-based companies,<br />Conclusion: In the present study, introduces the use of the acquisition and Merger model of knowledge-based and start-up companies as a prerequisite of research for knowledge-based companies in the target community and in this regard considers the presentation of the acquisition and Merger model of knowledge-based and start-up companies. http://www.ijfma.ir/article_21605_22c95b490feee0556535ea97bafb1319.pdf