The research topic is a critical analysis of negotiation as a vital tool for effective buying in a construction company, a case study of Bulletin Construction Company, Ilorin, Kwara State. The research is divided into five chapters. Chapter one contains introduction stage, historical background, statement of the problem, scope of the study, limitation and constraints, setting of hypothesis and definition of terms. Chapter two contains review of various related literature by different authors and the research and development, processes of negotiation and objectives. Chapter three deals with research study, the instrument or tools that were used for collecting data, research population and sample size, sampling procedure employed and statistical method sued in analyzing the data. Chapter four contains presentations of data and its analysis, and the proof of hypothesis. Chapter five contains summary of findings, conclusion, and recommendations.