GRESSEL was founded in 1923 as an engineering workshop by Edmund GRESSEL
and is still managed today by the third generation of the family. In 1933
the GRESSEL company designed and manufactured the first bench vice, and then
in 1941 the first machine vices came into production. Today a wide range of
products under GRESSEL clamping technology is offered.
What started with the tube connection EGA (Edmund GRESSEL Aadorf) in 1952,
with time and development became the SERTO compression fitting - a complete
system of tube unions, valves, tubes and accessories. The advantages of the
unique radial system are still impressive today, when it comes to assembly
In several stages the further development of the company to the actual
GRESSEL AG took place with an efficient distribution network in Switzerland
In 2001 GRESSEL AG was divided into 2 companies; GRESSEL AG for clamping systems
and SERTO AG for fittings.
Management takes over Serto Ltd
The Swiss specialist for tube unions, Serto Ltd, has recently been acquired by its managers in
the framework of an MBO. The founding family Müller-Gressel has sold all its shares in the
corporate group to management as a means of regulating the firm’s succession. The current course
of development and growth will be pursued and jobs at all six companies safeguarded.
The entrepreneurial independence is guaranteed by constant product innovations,
investments in modern manufacturing plants and a high level of self-financing.