Responsible for the content of these pages:
Attorney Martin Stirnweiss
Attorney Mathias Brenner
Stirnweiss | Brenner Rechtsanwälte
Partnerschaftsgesellschaft mbB
Partnership register number: Stuttgart District Court PR 720897
Stuttgart Office
Kirchheimer Str. 94-96
70619 Stuttgart
Lake Constance Branch
Turmstraße 20
78467 Konstanz
Phone number: +49 (0)7531 – 955 29 0
Fax number: +49 (0)7531 – 955 29 99
Email
info@stirnweiss-brenner.de
Portraits:
Jürgen Altmann https://www.juergenaltmann.com/
VAT identification number according to Section 27 a of the German Value Added Tax Act: DE 815 814 562
When contacting us, please also note the additional information under Contact.
Through our website, we offer a professional digital service. General information obligations apply, which are intended to protect your rights as a consumer.
The official professional title of our lawyers is “Rechtsanwalt Bundesrepublik Deutschland” (Attorney at Law, Federal Republic of Germany). Wherever the word Rechtsanwalt, Anwalt, or the abbreviation “RA” is used on these pages as a professional title, it always refers to this official professional title.
All our lawyers are members of the Stuttgart Bar Association (Rechtsanwaltskammer – RAK), a public law corporation, represented by its President, Attorney Ulrike Paul, Königstraße 14, D-70173 Stuttgart. You can contact the Bar Association via phone 0711 – 22 21 55-0, fax 0711 – 22 21 55-11, email info@rak-stuttgart.de, and online at http://www.rak-stuttgart.de.
The following professional regulations apply:
The professional regulations can be viewed and accessed in German and English on the website of the Federal Bar Association (www.brak.de) under the “Berufsrecht” (Professional Law) section.
ERGO Versicherung AG
40198 Düsseldorf
Territorial scope of insurance – FRG – Germany
In the event of disputes between lawyers and their clients, there is the possibility, upon request, of out-of-court dispute resolution at the regional Stuttgart Bar Association (pursuant to Section 73 (2) No. 3 in conjunction with Section 73 (5) BRAO) or at the Conciliation Body of the Bar (Section 191f BRAO) at the Federal Bar Association, which can be found online via the Federal Bar Association’s website (www.brak.de), email: Schlichtungsstelle@brak.de
Additional notice regarding the information obligation pursuant to Art. 14 (1) of the ODR Regulation: The EU platform for out-of-court online dispute resolution can be reached at the following link: http://ec.europa.eu/consumers/odr/
Insofar as trademarked labels are mentioned, these are always trademarks of their respective owners.
We assume no liability for the usability or content of external links. Such links are provided solely for your convenience and are usually identified by special display formats when hovering over the link with the mouse.
The use of the law firm’s website is possible without providing personal data. If personal data (name, address, or email address) is collected on our site, this is always done on a voluntary basis. Naturally, this data will not be passed on to third parties at any time without your consent.
We point out that any type of data transmission on the internet (e.g., communication by email) may have security gaps, and complete protection of data against access by third parties is not possible.
Please be sure to note the following:
By using our website, you expressly agree to the processing of the data collected about you by us or the following providers in the manner described and for the stated purpose.
Right to information / withdrawal / correction / blocking / deletion, etc.:
You have various rights.
You may request information free of charge regarding the data stored about you, its origin, the recipient or categories of recipients to whom the data is passed, and the purpose of the data storage.
Furthermore, you can contact us at any time regarding the collection, processing, and use of this data, as well as with regard to its correction, blocking, deletion, or the withdrawal of any consent you have given.
We also point out that you have a right to the correction of incorrect data or the deletion of personal data, provided that no legal obligations conflict with this claim.
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Unsere Kanzlei befindet sich in der Zeit
von Dienstag, 24.12.2025 bis einschließlich Dienstag, 06.01.2026
in den Betriebsferien.
In dringenden Notfällen (z. B. Verhaftung oder Durchsuchung) ist unsere
Notfallnummer rund um die Uhr (24 h) erreichbar.
Alle sonstigen Anfragen richten Sie bitte per E-Mail an
📧 info@stirnweiss-brenner.de
Ab Dienstag, den 07. Januar 2026, sind wir wieder zu den üblichen Kanzleizeiten erreichbar.