---
title: "Contact headquarters | Grünig-SignTronic AG"
description: Contact the Grünig-SignTronic headquarters in Schwarzenburg, Switzerland for sales, support, and enquiries about our screen-making automation systems.
image: https://www.grunig-signtronic.com/images/og-image.jpg
---

> Documentation Index  
> Fetch the complete site index at: https://www.grunig-signtronic.com/llms.txt  
> Use this file to discover all available pages before exploring further.

# Headquarters Schwarzenburg

Our headquarters in the Bernese region. For more than 55 years, we have developed and manufactured systems for screen-making, including stretching, coating, and washing systems.

## Contact

Our team is happy to assist you.

## Location

Head office and production site for all machines except CtS.

### Grünig-SignTronic AG

Ringgenmatt 14

CH-3150 Schwarzenburg

Switzerland

[View on Google Maps](https://www.google.com/maps/place/Gr%C3%BCnig-SignTronic+AG/@46.8226846,7.3466721,17z/data=!3m1!4b1!4m6!3m5!1s0x478e46a821018911:0x93abda2a05136755!8m2!3d46.8226846!4d7.349247!16s%2Fg%2F1thp6xf4)

Our team

## The people behind Grünig

Competent contacts for all your questions about screen-making automation.

* ### Marcel Grünig
CEO / Owner
* ### Andreas Ferndriger
Director SignTronic, Member of the Board
* ### André Kreuter
Sales Director
* ### Urs Hostettler
Area Sales Manager
* ### Ruth Riesen
Export Manager
* ### Franziska Schärer
Head of Technical Support
* ### Roman Zaugg
Customer Service / Sales (Back Office)
* ### Yvonne May
Sales / Administration (Back Office)
* ### Irène Bourqui
Accounting
* ### Michael Raggam
Purchasing
* ### Walter Zbinden
Production Manager / Purchasing
* ### Markus Rohrbach
R&D Manager

## Looking for Computer-to-Screen solutions?

Our production site in Rüthi SG specializes in CtS direct exposing systems.

[Rüthi location](/en/contact/ruethi) [Discover CtS technology](/en/technology/cts)

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