Modern conditions of business and technology have imposed the need to create strategies that follow trends, develop business relationships and cooperation with organizations from different fields. Mergers and acquisitions are one form of strategy that allows organizations to acquire technology which is not their primary focus. In this paper we are loking for an answer on how merger and acquisition affect the performance of banks, and whether digitization, as the focus of bank operations in modern conditions, contributes to the business improvement. The goal of the research is to determine how mergers and acquisitions effect on digitalization and business performance, using the example of banks from the Republic of Srpska, and how the choice of this strategy affects the use of digital technology and the process of digitization in banks. The analysis of the collected data and their presentation aims to show the effects of mergering and acquisitions have on the organiyations business performance, and the digitalization of operations, with a focus on the example and case study of banks that went through this process in the Republic of Srpska, covering a period of 15 years.