This report investigates the impact of corporate name, corporate reputation, corporate image, and corporate loyalty on the overall corporate effect of Japan Automobile Manufacturers Association Inc. (JAMA) in Singapore. A critical review of existing literature highlights the significant influence of these factors. The research employs simple random sampling, surveying 540 employees of JAMA. Key findings indicate a notable impact of the mentioned factors on corporate effect. However, the presence of autocorrelation within variables affected the explanatory power of the developed models. The report includes a detailed analysis of demographic data, corporate name, corporate image, corporate reputation, corporate loyalty, and overall corporate effect. Reliability and regression analyses are performed, and the report concludes with recommendations for improving JAMA's corporate effect.