Diethelm Keller Investments is a holding company for strategic equity holdings in small and medium-sized companies. Angela Bruderer is one of Switzerland’s leading multichannel  retailers of home textiles, highquality bedding, fashion, home and garden products, wines, and personalised gift ideas. Chimpy is specialised in power bank rental for charging phones on the go.

For further information on the brands, please click on the logos below:

Board of Directors
Andreas W. Keller, Chairman
Adrian T. Keller