Bühler served on the Cantonal Council of St. Gallen from 1898 to 1906 for the Free Radical Liberals.

He attended the local schools and studied mechanical engineering at ETH Zurich and Karlsruhe Institute of Technology.

[3] After the sudden death of his father, Bühler took-over the family business, with then over 600 employees.

He would be the one to build it into an internationally operating concern and diversify in various sectors such as machinery for the produce industry.

Between 1898 and 1906 he served on the Cantonal Council of St. Gallen as a legislator for the Free Radical Liberals.