This research aims to Effecting Factors of Decision Buying on Online Deal Coupon in Bangkok Consumers. Using accidental sampling questionnaires with 350 random customers who reside in Bangkok and used to buy deal coupons or never. The findings reveal that majority of the sample group were females, aged between 21-30 years. They got a bachelor degree and had an average monthly income of 10,001-20,000 baht. They were mostly single and earned a living as private companies’ employees. The sample group had bought deal coupon on ensogo website. The average frequency in buying is less than one times per a week and average spending is at 500 Baht per time. The sample group who bought and wanted the most in deal coupon is restaurant. And then, the opinion level of overall marketing mix factors influenced decision to buy deal coupon at high level. The analysis have relationship with democracy factors and purchasing behavior of the sample found that age, marriage status, education level, occupation and income levels are influential in decision buying. The analysis of marketing mix factors have influencing purchasing decision by differ democracy found that gender age, marriage status, education level and income levels are influential in marketing mix factors. The research outcomes have implications for development of marketing strategy for quality improvements at Deal Coupon service.
