This project looks at Examine the impact of marketing activities on the banking sector. Philip Kotler defined marketing environment as the totality of forces and institutions that are external potentially relevant to the firm. The organization first studies the environment in which it is operating and specifically the opportunities and threats in these environments. The purpose of this research is to examine the impact of marketing activities on the banking sector. (A case study of United Bank for Africa Plc, Ilorin Oja-Oba). The project is divided into five chapters chapter one had to the introduction of the study background of the study, statement of problem, scope of the study, significance of the study limitation and constraints, definition of related terms and concepts and plan of the study. Which chapter two, the researcher review: literature review, roles of marketing in Banking sector functions of marketing, important need of marketing in banking system and marketing and it features and chapter three research method design, method of data collection, sampling method and size method data analysis, historical background of the organization. Chapter four data analysis and interpretation and summary of find. Chapter five consists of summary, conclusion, recommendation, references to Appendix.