We have extensive experience in the field of commercial, investment and tax arbitration in the countries in which we operate, as well as at an international level. Our services in the field of arbitration include, acting as:

Expert witness in commercial, investment or tax arbitration

We render independent and authoritative opinions of exceptional quality in a very broad range of international, European Union (EU), and national (Austrian, Dutch and Swiss) tax law topics.


Given our distinct expertise and independent and authoritative views, we can serve as an arbitrator in a tax arbitration (based for instance on the multilateral instrument, the EU dispute resolution directive or the EU arbitration convention) as well as in commercial and investment arbitrations.

Expert counsel

We support law firms involved in arbitration proceedings with our tax expertise and ensure that all the different parameters and arguments from an international, EU and national tax law perspective have not been overlooked or have been properly considered.