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GDDA Luxembourg is member of an international network of law firms specialised in business law and corporate law for companies and private individuals.


We are traditional-minded yet straightforward in our law practice and faithful and supporting in our client-relationships.

Focusing on you, we provide a wide horizont of legal services - whether in Luxembourg, in the EU or in the CEE area.


Your Partner in Luxembourg.

Jehan Dupont Danzel d'Aumont

Avocat à la Cour | Rechtsanwalt

Managing Partner

Languages: English | German | French

Locations: Luxembourg | Frankfurt

Formation: Germany | France | Belgium

Diplomas: First and Second legal state examinations

As Luxembourg and German attorney-at-law Maître Jehan Dupont Danzel d'Aumont successfully advises international clients.


To the profit of his clients he brings in personal commitment, economic understanding and intercultural competence along with sound experience in cross-jurisdictional matters.



Jehan Dupont Danzel d'Aumont specialises in international corporate and commercial law especially in connection with German, Chinese and Russian clients.

For many years he has been advising companies ranging from medium-sized companies to multinational corporations, in particular on restructurings and cross-border M&A projects, taking into account international tax law and regulatory aspects.


Before leading GDDA Luxembourg, he has successfully practiced as Managing Associate in the Luxembourg office of a renown international top tier law firm.


Maitre Dupont Danzel d'Aumont has successfully advised individuals, companies, coporate legal counsels and other law firms on a wide range of Luxembourg transactions and legal matters, such as:

  • cross-practice due diligences relating to acquistions of Luxembourg companies, including advice on corporate, regulatory, business law and real estate matters;

  • establishment and optimisation of Luxembourg investment vehicles (holdings, SPVs, SVs);

  • advising on share purchase agreements, shareholder agreements, joint venture contracts on Luxembourg targets, such as holdings, but also companies operating commercial and financial services;

  • advising on the transfer of the private banking branch of a financial group by way of asset deal;

  • crisis management and advice relating to the defense of a majority shareholder in a dispute over the shares of a top company holding a factory producing spare parts for automobiles;

  • avoidance of a forced liquidation of an operational company producing truck components by way of the recovery of funds through non-judicial dispute resolution;

  • advice on operational business, including regulatory and administrative matters.

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