Impressum / GDPR


Dietrich | Untertrifaller Architekten ZT GmbH
Arlbergstraße 117, A-6900 Bregenz
+43 5574 78888-0,
Bundesministerium Österreich, ZT 91.519/0050-I/3/2005
Firmenbuch FN 259034 h | VAT ID: ATU 6181 6404

Dietrich | Untertrifaller Architekten ZT GmbH
Flachgasse 35-37, A-1150 Vienna
+43 1 904 2002-0,
Bundesministerium Österreich, ZT 91.519/0069-I/3/2014
Firmenbuch FN 418385 y | VAT ID: ATU 6888 4567

Dietrich | Untertrifaller | Stäheli Architekten AG
Höhenweg 33, CH-9000 St. Gallen
+41 71 227 6353,
Commercial register St. Gallen CH-320.3.071.714-5
Aktiengesellschaft | Architekturleistungen 
VAT ID: CHE-212-118.336

Dietrich | Untertrifaller Architectes SARL
5 Rue Pierre Chausson, F-75010 Paris
+33 1 42 00 64 17-0,
Ordre des Architectes S17698 Ile de France
Registre du Commerce et des Sociétés
SIRET: 813 858 560 00028
VAT ID (TVA): FR41 813858560 | Capital social: € 20.000

Dietrich | Untertrifaller Architekten GmbH
Herzogstraße 60, D-80803 Munich
+49 89 322241-40,
Amtsgericht München, HRB 242750 | UID: DE319688610

Managing Partner for all sites
Helmut Dietrich, Much Untertrifaller,
Dominik Philipp, Patrick Stremler

Responsible for the content
Gerlinde Jüttner, Vienna

Sägenvier, Dornbirn

enjoyOrbite KG, Vienna

The content of this website is protected by copyright. All copyrights on photos, illustrations, texts, videos and on the design of this website and on other materials are the property of Dietrich | Untertrifaller Architekten ZT GmbH. Use without prior written consent is prohibited. We assume no responsibility for links to other websites and their contents.


The protection of your personal data is important to us. We process your data exclusively within the framework of legal regulations (DSGVO, DSG 2000, TKG 2003). Below we inform you about the most important aspects of data processing on our website.

Contact with us

If you contact us by form on the website or by e-mail, the data you provide will be stored for six months for the purpose of processing your enquiry and in the event of further questions. We will not pass on this data without your consent.


Our website uses cookies. These are small text files that are stored on your mobile device using the browser. You do no damage to your terminal. We use cookies to make our website user-friendly. Some cookies remain stored on your device until you delete them. This enables us to recognize your browser the next time you visit us. If you do not wish this, you can set your browser so that it informs you about the setting of cookies and you only allow this in individual cases. When cookies are deactivated, the functionality of our website may be limited.

Web analysis

Our website uses functions of the web analysis service “Google Analytics”, which is provided by Google Inc. (1600 Amphitheatre Parkway Mountain View, CA 94043, USA). For this purpose, cookies are used which enable an analysis of the use of the website by its users. The information generated in this way is transferred to the provider′s server and stored there.
You can prevent this by setting your browser so that no cookies are stored.
Furthermore, you can use a browser plug-in to prevent the information collected by cookies (including your IP address) from being sent to Google Inc. and used by Google Inc.
The following link leads you to the corresponding plugin:
Here you will find further information on data use by Google Inc.:
Your IP address is recorded but pseudonymised immediately. This means that only a rough localization is possible.
Data processing is carried out on the basis of the legal provisions of § 96 Para. 3 TKG and Art 6 Para. 1 lit. a (consent) and/or f (legitimate interest) of the DSGVO. Our concern in the sense of the DSGVO (legitimate interest) is the improvement of our offer and our website. Since the privacy of our users is important to us, the user data is pseudonymised.


We integrate videos from Google LLC, 1600 Amphitheatre Parkway Mountain View, CA 94043, USA (hereinafter: “YouTube”) for the purpose of the appealing design of our website. We use the advanced privacy mode so that information about you is only shared with YouTube when you activate the video by clicking the video′s play button. When you enable the video, YouTube uses cookies to collect information for analytical purposes and to improve usability. According to YouTube, the data is processed pseudonymised. However, if you′re signed in to your Google or YouTube account, the information may be linked directly to your YouTube account. For more information about privacy, including how long your information is stored on YouTube, please see Google′s privacy policy at: The legal basis for the integration of the YouTube service on our website and the associated processing of your data is Art. 6 (1) lit. f DS-GMO.

Applicant details

On our website we inform you about vacancies in our team and you can send us your application by e-mail. We process your data to process your application, which means that your application will be viewed by the employees responsible for pre-selection. Your data will not be passed on to third parties and we will not use your data for any other purposes. Your application data will be stored by us. If we reject your application, we will only store the data for as long as necessary, for a maximum period of six months, unless you give us your consent that we may store the applicant data for longer in order to contact you after this period if necessary. The legal basis for the processing of your data is § 26 BDSG and Art. 88 DSGVO.

Your rights

In principle, you have the right to information, correction, deletion, restriction of processing, data transferability, revocation and objection. If you believe that the processing of your data violates data protection law or your data protection claims have been violated in any other way, you can complain to the supervisory authority. In Austria, this is the data protection authority.

Our contact details

Dietrich | Untertrifaller Architekten ZT
A-6900 Bregenz, Arlbergstraße 117
+43 5574 78888-0