• Teaming up
    for success

    Oliver Groenewold Roger Müller Detlef Sommer
  • Notary's office.

    In our Wil/SG office we can offer
    both national and international clients
    a broad range of first-hand notary services
    under favourable conditions.

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  • Alternatives
    in conflict resolution.

    Entrepreneurs look at mediation
    as an alternative approach
    to dispute resolution because…

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  • Cross-border
    legal advice:
    Switzerland to Austria.

    hba is at your service in Austria, with experienced and
    committed teams of lawyers in Vienna, Graz and Klagenfurt.
    With our strong network, we also support our clients in cross-border matters.

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  • Know-how
    in Austria.