The results showed that the start-ups mostly were female, age 31 – 40 years old, with bachelor’s degree, private sector employees, had more than 50,000 baht/month, Interested in online selling, never used Retailing Business Management Software before, searched about Retailing Business Management Software from Google search engine. The numbers of people who use Line application, Facebook Messenger and phone to contact with software dealer are the same. The number of start-ups who liked to use the software via computer was equal to those who liked to use via mobile phone. The most influencing factors on their purchasing decision were product, price, place, promotion, physical evidence, and process in different degree. Readmore  www.ideagoo.com