The Keller Gallery was founded in 1981, after Heidi Suter made her first exhibition in a really old cellar space in Zurich, showing her own textile art. After this show, she got hundreds of request for exhibitions, which was the starting point of her gallery business.

Since then, Heidi Suter has shown over 400 successful exhibitions in her Keller Gallery, with artists coming from Europe, Asia, and South America, and has presented paintings, photographies, ceramics and sculptures.

In December 2024, Heidi Suter opened a new second Keller Gallery space, located in the Historic Center of Besançon (East of France), and began showing local and internationals artists such as Jean-Pierre Sergent, who is helping her for curating the new exhibitions and choosing the exhibited artists.