This study aims to examine the effects of green innovation on environmentally sensitive company performance. Here, green innovation includes green product and process sub-dimensions and environmentally efficient company performance has also two sub-dimensions as environmental performance and competitive advantage of company through its green facilities. In order to find out relationship between green innovation and environmentally sensitive company performance a survey was performed among companies which present first 500 companies with their turnover according to Istanbul Chamber of Industry's records. With gathered data from survey study, correlation and regression analyses were conducted. Moreover, to detect if there is any difference according to company characteristics, some further analyses were performed. Results of this study states that, green innovation activities have significant effect on a company's environmental performance and competitive advantage. Especially, green process innovation explains changes on environmental performance and competitive advantage. Any green difference of company's basic processes not only reduces company's environmental effects but also moves the company to a better position among its competitors. (C) 2015 The Authors. Published by Elsevier Ltd.