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Wolf Theiss

Arbitration

Europe Guide 2026 : Austria

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Wolf Theiss

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About

Provided by Wolf Theiss

The Arbitration Team at Wolf Theiss in Vienna, Austria, part of the firm's Regional Arbitration Team, is a leader in domestic and international arbitration, providing tailored, strategic advice to resolve complex commercial and investment disputes. With Vienna as one of the major hubs for international arbitration, the team leverages its location to offer representation under various arbitration rules, including ICC, UNCITRAL, VIAC, and ICSID.

Core competencies:

Disputes in energy, construction, infrastructure, technology sectors and post-M&A disputes.

Expertise in investment treaty arbitration and cross-border commercial disputes.

Seamless management of proceedings involving multiple jurisdictions and diverse legal systems.

Industries (10)

  • Banks & Financial Services
  • Construction
  • Consulting and Professional Services
  • Consumer Product Manufacturing
  • Energy
  • Insurance
  • IT and Telecom
  • Pharmaceuticals, healthcare & life sciences
  • Real Estate
  • Transportation

Chambers Review

Provided by Chambers

Arbitration - Austria

Band 1

What the Team is Known For

Wolf Theiss offers clients a broad range of expertise in its notable arbitration practice, leveraging its network across the CEE and SEE regions to assist with multi-jurisdictional disputes. The team advises on ICC, VIAC and ICSID proceedings related to post-M&A and investment disputes, as well as the enforcement of arbitral awards. It additionally acts on contractual and construction arbitration. The practice particularly attracts clients from the energy, transport and infrastructure sectors.

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Strengths

Provided by Chambers

  • Wolf Theiss' unparalleled expertise in our industry and arbitration, coupled with its strong regional presence, gives it a significant edge and invaluable local insight in complex disputes.

    Arbitration respondentEurope

  • The Wolf Theiss team provides excellent client service and is very responsive. It gives due consideration to the client's expectations and ensures that it meets them.

    Arbitration respondentEurope

  • The arbitration team distinguishes itself through its highly proactive and systematic approach to complex disputes. Its work is methodical and meticulously structured.

    Arbitration respondentEurope

  • The attentiveness and professionalism of the team ensure that every project is handled with the utmost care and precision.

    Arbitration respondentEurope

  • The Wolf Theiss team is a joy to work with. Its lawyers are smart and well prepared.

    Arbitration respondentEurope

Notable Practitioners

Provided by Chambers

  • Stefan Riegler
    Stefan Riegler

    Stefan Riegler

    Stefan Riegler operates a highly regarded arbitration practice. He covers a range of mandates, including investment and commercial arbitration relating to the energy and transport sectors. He is well placed to guide clients through VIAC, ICC, ICSID and ad hoc arbitration proceedings.

    • Stefan Riegler is very good at anticipating what the key issues are and what the other side may argue. He thinks through all the issues and ensures we address them all in detail.

      Arbitration respondentEurope

    • Stefan Riegler is extremely smart and really well prepared. He always focuses on the client.

      Arbitration respondentEurope

    • Stefan Riegler stands out. He is highly skilled and accomplished, as well as being an outstanding and to-the-point practitioner who is highly solution and decision-oriented.

      Arbitration respondentEurope

    • Stefan Riegler is one of the best arbitration lawyers in Austria. He is very commercial and strategic in resolving disputes.

      Arbitration respondentEurope

    • Stefan Riegler is good at thinking ahead strategically and has very strong communication skills. It is a pleasure working with him.

      Arbitration respondentEurope
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  • Venus Valentina Wong
    Venus Valentina Wong

    Venus Valentina Wong

    Venus Valentina Wong has a noted practice in international arbitration, primarily assisting with disputes from the energy and infrastructure sectors. She offers considerable experience in VIAC and ICC proceedings and is also regularly appointed as a member of arbitral tribunals.

    • Venus Valentina Wong always plans one step ahead.

      Arbitration respondentEurope

    • It is such a pleasure working with Venus Valentina Wong. She has a brilliant legal mind and is so respectful and thoughtful. She always wants to make sure that everyone gets their voice heard.

      Arbitration respondentEurope
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  • Emmanuel Eugenio Kaufman
    Emmanuel Eugenio Kaufman

    Emmanuel Eugenio Kaufman

    Emmanuel Eugenio Kaufman is an adept lawyer with ICC arbitrations, as well as other commercial disputes. He is particularly familiar with the construction, engineering and technology sectors. He is also recognised for his expertise in matters relating to Argentina, being admitted to the Bar of Buenos Aires.

    • Emmanuel Eugenio Kaufman is highly responsive, clear in his communication and provides strategic advice that is both pragmatic and well-grounded in international arbitration principles.

      Arbitration respondentEurope

    • Emmanuel Eugenio Kaufman is known for being technically excellent.

      Arbitration respondentEurope

    • His ability to anticipate procedural and institutional sensitivities adds significant value.

      Arbitration respondentEurope

    • Emmanuel Eugenio Kaufman is on a good path. He works very hard and puts in the time and effort. I have only good things to say about him.

      Arbitration respondentEurope
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  • Alexander Zollner
    Alexander Zollner

    Alexander Zollner

    Alexander Zollner regularly supports clients on investment, contractual and post-M&A disputes under VIAC and ICC rules.

    • Alexander Zollner has a super-positive attitude and works really hard. He is able to dig really deep into the matters in order to articulate the key legal arguments very persuasively.

      Arbitration respondentEurope

    • Alexander Zollner is a talented lawyer who has worked very hard on the case.

      Arbitration respondentEurope
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Ranked Individuals at Wolf Theiss (4)

Austria

Members

Provided by Wolf Theiss

Wolf Theiss has rankings in the following guides

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