Olav Thon Eiendomsselskap ASA was founded in 1982 and its shares were listed on the Oslo Stock Exchange in 1983.
The company has grown significantly since its start-up, with its annual rental income from properties having risen from NOK 27 million originally to NOK 3,100 million at the start of 2019. In the same period, the company's market capitalisation has increased from NOK 200 million to NOK 15 billion.
Since the early 1990s, its main focus area has been shopping centre properties and Olav Thon Eiendomsselskap is today the largest shopping centre actor in Norway and also an important player in the Swedish shopping centre market.
The company is part of the Olav Thon Group, which is Norway's largest private property player and one of Norway's largest hotel operators (Thon Hotels). The Olav Thon Group is owned by the Olav Thon Foundation.