2017
The Bütschwil Käse GmbH branch is founded in Konstanz.
2016

Work on our new cheese warehouse has begun.
Roman Egli joins the company as a full-time sales manager. The product range is continuously expanded.
2012
Güntensperger Käse is founded with the companies Bütschwil Käse AG and Müselbach Käse AG. First professional sales attempts with new products (Roter Teufel and Firstkönig) are launched by Reto Güntensperger and his cousin Roman Egli, who was still working full-time for the police at the time.
2013

Former milk collection by means of milk lorries until about 2013, then farm collection by lorry from the Mettlen cheese dairy, Müselbach.
2009
Reto successfully completes his master craftsman's examination and returns to his parents' business.
2005
First own specialities/brands are developed and produced in small quantities.
2000

In front of the Bodmen cheese dairy. Master cheesemaker Heinz Güntensperger poses with his milk suppliers on the occasion of the 25th anniversary of production in Bodmen.
1994

From left to right: Reto Güntensperger, his cousin Aemisegger Michi, taster Wenk Michi and Heinz at the Bodmen cheese dairy.

Heinz Güntensperger (back) with son Reto Güntensperger (front, 10 years old).
A newspaper article reports on the anniversary of the Mettlen cheese dairy and the Güntensperger family. In the photo above left: The milk suppliers of the Mettlen cheese dairy with their wives.

Master cheesemaker Peter Güntensperger in the Mettlen cheese cellar.
1992
Heinz and Peter Güntensperger are both honoured among the ten best Appenzell producers.
Master cheesemaker Peter Güntensperger in the Mettlen cheese cellar.
1979
Handover of the cheese dairy from August Güntensperger to his son Peter.
1974

Former master cheesemaker Josef Eberle with his wife Anna in the Bodmen cheese dairy. The cheese vat capacity was 1,000 litres of milk. The cheese dairy was renovated shortly afterwards in 1975.
1968

From left to right: Paul, Peter, Heinz, Markus, August Güntensperger and Stefan, now trained cheesemakers.
1965

August Güntensperger in front of the Mettlen cheese dairy, Müselbach with his Studebaker.

Master cheesemaker August Güntensperger at the Mettlen cheese dairy, Müselbach.
1964
Loading the cheese, Käserei Mettlen, Müselbach.

Heinz Güntensperger in the cheese cellar of the Mettlen cheese dairy, Müselbach.
1963

From left to right: Heinz and the twins Paul and Peter, now trained cheesemakers.
1960

12. September: August Güntensperger buys the Mettlen cheese dairy.
1939
August Güntersperger (2nd from right) with colleagues from the Bernese dairy school Rütti-Zollikofen.
1873
First minutes mentioning the Mettlen alpine dairy.
1868
First mention as Sennerei Mettlen in a cash book.