The aim of this research is to explore the necessity of a uniform corporate governance (model for the EU region. It attempts to examine the current challenges as well as the current CG paradigm. This study focuses on identifying the actions taken to implement CG reforms in the EU region. It identifies the problems that businesses face as a result of the lack of appropriate legislation. This book covers the experts' perspectives on the harmonization of the CG structure, both for and against. It examines the post-Brexit environment for company structures, focusing on the EU and the UK. This research explores and highlights the future of Brexit and CG procedures. The research comprises of the two section. The first section discusses the characteristics of the CG model and its unified framework. This is an important aspect of the question. It includes information on unified CG such as its definition, sources, types, key features, historical reform initiatives and expert commentary on the coherent and coordinated legal framework for CG in the European region. The last section explores the role of Brexit in CG in the EU. This section also includes some analytical lines on the effects of Brexit on future corporate operations and investor organisations. Keywords: Unification, corporate governance, EU, Brexit.