Mester Grønn is the largest wholly owned flower chain with over 100 stores from Tromsø in the north to Kristiansand in the south. Mester Grønn was established in Skien at Herkules shopping centre in 1983. Since then they have grown to become the leading flower retail. They have done this by building it brick by brick, where their focus has been on quality .
The headquarters is the largest flower terminal which is located near the E -18 at Liertoppen shopping centre in Lierskogen. Their terminal facility has a unique climate control and main energy is geothermal.
Master Green is also a membership in the Ethical Trading Initiative ( ETI ) and has sold Fairtrade roses since 1998. The company's goal is that all their products will be manufactured in accordance with ethical, human, environmental and international standards.