Good advice is not only characterized by excellent legal advice but also by the fact that Ad Fontes tries to provide its clients with access to such networks that are of outstanding importance for the success of the respective business model.

Under the leadership of Marlies Ullenboom, Ad Fontes offers:

  • Advising companies on the launch and development of their activities in the German or French market (cross-sector).
  • Interface to a multilingual network of experts and service providers covering the entire value chain and also advising companies already active in the target market or wishing to enter the market.
  • Event management: organisation and implementation of entrepreneurial trips, preparation of participation and accompaniment of visits to trade fairs as well as organisation of forums, conferences, etc.

Cooperation with the Business School

Since 2018 Marlies is in contact with the directors of Business School Alb Schwarzwald which welcomes entrepreneurs and managers of SMEs and ETIs for dual studies (BA and Master).

Digital – Cooperation with AMC Media Network GmbH & Co KG


Corona, or Covid as they say in France, this enormous challenge has forced us to expand our online activities. In doing so, we have come to appreciate the advantages of digital communication more and more, which has enabled us to strengthen our national and international networks and to enhance the German-French exchange.

Study trip to Paris – Avril 2018