Claesson Koivisto Rune is one of Sweden's most prominent design studios. It was founded in Stockholm in 1995 by Marten Claesson, Eero Koivisto and Ola Rune. They started as an architectural office, but soon became multi-disciplinary and to work on projects encompassing a wide range of design. The studio has won the annual Swedish Design Award eight times and many other international awards.

Represented in Sweden, Japan, France, Germany, USA and Uruguay, their architectural language has been called 'the epitome of the aesthetics of the new millennium'.

Their furniture and product designs have been produced in Sweden, Finland, Denmark, Belgium, Germany, England, Italy, USA and Japan. Claesson Koivisto Rune are the subject of five biographical publications, and their works appear in some 130 design/architecture books. They were the first Swedish architectural office to be invited to exhibit at the international section of the Venice Biennale of architecture in 2004.