The growth and expansion of beauty industry in Thailand has been dramatically increasing, while the national economic has been decreasing. There are many factors, which are leading this to the bright future. Beauty trends from Korean and Japanese artists have influenced Thais’ attitude, which affects their consuming behavior. Thai people have been more concerned on their appearance and willing to spend money on beauty services. Moreover, marketing strategies and medical technologies are the important factors, which draw the customers to spend on beauty business. From the reseach and analysis, Radiance Clinic has potentials and opportunities to get into beauty business. The clinic will be located on Tong Lor Road. Its concept is each person has different skin types and skin problems; therefore, they need suitable individualised treatments. The goal of Radiance Clinic is to be recognised, consumed repeatedly, and introduced the clinic to customers’ friends and family. The clinic will embrace effective marketing communications; provide specialised facial treatments by specialists, customised programs, and impressive services to the customers. In term of financial management, the souce of investment funds is derived from equity financing equal to 3.2 million Baht. The Weighted Average Cost of Capital (WACC) of this project is yield 8.06%. From financial analysis, Project’s Net Present Value (NPV) is 12,242,399.55 Baht. Project’s 5-year Internal Return Rate (IRR) is 86.75%. Project’s pay back period is 1 years 3 months. The funds will be used under conservatism policies in order to achieve the business goal and sustainable growth.