Certification is a compliance in implementing Best Management Practice (BMP) in oil palm plantation businesses. Participation in certification is influenced by several factors, including socio-economic, demographic, environmental, political and other factors. This study to see the effect of farmer types (independent and scheme farmers) and higher price expectations in implementing oil palm certification. Other determinants also studied included income, education, age, pesticide use, farming experience, and location. Through OLS regression analysis, it is known that the farmer types, higher price expectations, income, pesticide use, farming experience, and location are factors that influence the area of certified oil palm plantations.