The objectives of this research were to study the current use of e-commerce in business and to find the guidelines for enhancing the competitiveness of e-commerce for businesses. This research employed quantitative and qualitative research methodologies. The research samples were 400 customers in e-commerce in Bangkok, Thailand. These samples were collected by simple random sampling method. The research tool for data collection was a questionnaire. Data were analyzed in terms of percentage, mean and standard deviation. The researcher also conducted interviews with 5 executives and computer staffs of e-commerce organizations in Bangkok, Thailand. They were selected by purposive sampling. The research result revealed that enhancing the competitiveness of e-commerce business were as follows: 1) e-commerce organizations must set up clear policies for e-commerce business, 2) appropriate marketing and promotions of e-commerce must be reviewed and improved, 3) good system security must be determined, and 4) modern technology must be applied for e-commerce, continuously.
Keywords: Enhancing, competitiveness, e-commerce