This chapter begins by providing an overview of business interest groups, exploring their formation, purpose, and influence withinpolitical and economic contexts. Key concepts related to these groups’ roles in decision-making processes are introduced. Adetailed discussion on the various strategies employed by business interest groups follows, with an emphasis on coalition-buildingand how these strategies contribute to business influence. Finally, the theoretical framework behind the research questions ispresented, along with the arguments that form the basis of the expectations in the study.