Mag. Matthias Trauner
Attorney at Law

It does not help to have the right on his side.
You also have to expect justice.
(Dieter Hildebrandt)

get in contact with us

RA Mag. Matthias Trauner

I advise, represent and guide you in all legal matters,
especially in procurement and construction law.

Mag. Matthias Trauner, RA

The law office


Law Office & Cooperation Partner

The law firm Mag. Matthias Trauner was founded in 2011. Until 2019, the law firm was located in the Riemergasse as well as the permanent cooperation with Dr. med. Herwig Hauser, lawyer, and with Dr. med. Elisabeth Vlasaty, lawyer. Since November 2019, the law firm has been based at its current location in Wickenburggasse.

Advice is a matter for the boss

Mag. Matthias Trauner looks after your case personally, so that the efficiency as well as the confidentiality of the client relationship is guaranteed. At the same time, permanent law firm cooperation provides the necessary reserves in case additional resources are needed. In addition, other lawyers, tax consultants and notaries and other service providers can also be called in as part of the client care.

Added value for the client

The aim of the clients is a timely and economical solution to the problem. The law firm Mag. Matthias Trauner is in a position on the basis of the comprehensive technical and business management knowledge that goes beyond jurisprudence To quickly grasp the circumstances of life and to work out the best possible legal solution economically.

Mag. Matthias Trauner

Curriculum Vitae


HTL - civil engineering at the higher technical federal college in Graz (1991)
Graduation to Mag. Iur. at the Karl-Franzens-University Graz (2001)
Accounting course at the Karl-Franzens-University Graz (2001)


Administrative management of a private hospital
Employee in the bank area
Trainee lawyer and attorney at leading commercial law firms


Tenders and representation before procurement control authorities in connection with traffic services, the health sector and the construction sector
Defense and enforcement of additional cost claims
Compensation for damages
Real estate law (rent, lease, leasing and purchase)

Languages ​​


Further information

Member of the disciplinary board of the RAK Vienna
Examination commissioner for the bar exam of the RAK Vienna
Author of numerous publications in professional journals

areas of expertise

Mag. Matthias Trauner has - with a focus on construction and procurement law - many years of experience and special knowledge in the following areas of law:

Building Law

Advice and representation before, during and after the construction phase; Operation or defense against claims, especially in the areas

  • Bauvertragsrecht,
  • Work and additional costs,
  • Tree fishing and preservation of evidence,
  • Warranty and damages
    such as
  • Administrative Criminal Law for Construction Employers
    (Aliens Employment Act, Wage and Social Dumping Control Act).

Public Procurement

Advice and representation before and after expiry of the offer period, especially on bidders' side in the areas

  • Examination of tender documents,
  • Out-of-court enforcement of changes prior to the initiation of a review procedure,
  • Examination of separation decisions,
  • Consideration of award decisions as well
  • Representation before administrative courts (review and appraisal proceedings) and before the Administrative Court.

General Civil Law

  • Advice and representation in general civil law, in particular
  • Damages (eg medical liability, traffic accident),
  • Tenancy law (eg rental examination and reduction, rental and eviction proceedings),
  • Real estate law (eg examination and construction of condominium contracts and offers including brokerage contract, representation in owner meetings,
  • Travel rights (passenger rights, etc.),
    such as
  • Representation for out-of-court settlement and
  • Representation in civil proceedings on plaintiff and defendant side.

Expert opinions

  • Examination of the admissibility of procurement regulations (type of procedure, etc.),
  • Presentation of decision-making principles in the context of project preparation, eg presentation of national standards (eg building law provisions of the federal states) including administrative practice and case law)

Administrative and Administrative Criminal Law

  • Advice and representation especially in construction and operating permit procedures (applicant and involved party eg neighbor)
  • Administrative criminal law for employers in the construction industry (Aliens Employment Act, Wage and Social Dumping Control Act)
  • Administrative penalties (traffic offenses including driving license withdrawal proceedings)
  • School law (especially exclusion from lessons)

RA Mag. Trauner advises, represents and accompanies you in all legal matters.

Contact us


Mag. Matthias Trauner is the author of various specialist publications, especially in the field of public law,                      competition law and public procurement law, including the following specialist publications:

We are sorry: these documents are only available in German.


Contact us now

Attorney at Law
Mag. Matthias Trauner

Wickenburggasse 26/5, 1080 Vienna
Tel: +43 1 5135168
Fax: +43 1 5135168 22

I look forward to hearing from you and stand for questions discussions, etc are available:

"I expressly agree to the processing of my personal data within the meaning of the GDPR in the context of the implementation and fulfillment of my request."

* Required fields