The major purpose of this individual study is to develop a business plan for BusinessMatcher website. By surveying of targeted customer behavior and researching on both primary and secondary data from articles, competitor’s website and the internet, it showed that this business has a possible opportunity of continuing growth and generating revenue. The researcher has analyzed external environment including industry analysis, competitor analysis and customer analysis. Even more, internal analysis is addressed to develop a possible marketing, operation and financial plans. To create the competitive advantage over competitors, this website organizes under the differentiation approaches by offering complete services for SME businesses including co-founders searching service, suppliers searching service, knowledge and ideas sharing system, funding sponsorship service and knowledge hub system. The financial forecast demonstrates that the business project will pay back in 3 years and 10 months using discounted payback period calculation with the Net Present Value (NPV) of 1,030,649 Thai Baht and Internal Rate of Return (IRR) of 47.79%. This project shows the medium-term payback period while committing a satisfactory rate of return. In conclusion, collectively combining with a possible marketing plan and an efficient operation, together with the growth of the sense of entrepreneurship this project will be very appropriate and worth the investment