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We primarily cater to small- and medium-sized companies based in the larger Rhine-Main region. Moreover, we also advise private individuals, i.e. the associates in a company or managing directors of the companies using our services.

Our corporate clients have different legal forms, company structures and sizes. Aside from the conventional legal forms including private limited companies, stock corporations, sole proprietorships, general commercial partnerships, limited partnerships as well as limited partnerships with a limited liability company as general partner, we also provide advisory services to non-profit associations and foundations. Our portfolio includes groups and company spin-offs as well as holding companies belonging to foreign-based groups.

We are interested in cooperation over the long term, since the quality of our advisory services grows as we acquire additional knowledge of our client and this knowledge grows over the years of cooperation. Some of our clients have been with us for several decades already.

In particular, our client base includes the following branches of industry:

  • Software
  • Data processing
  • Manufacture of machinery and equipment
  • Transport
  • Media services
  • Retail and wholesale
  • Non-profit foundations
  • Prepress companies
  • Event service providers

Our foreign clients are primarily based in the following countries:

USA, India, Hong Kong, England, France, The Netherlands, Belgium, Finnland..

Upon request, we are happy to provide you with the contact details to our reference clients.


Lyoner Straße 44 - 48
60528 Frankfurt am Main
Phone +49 69 631579-0
Fax +49 69 6313641


TREU-GMBH, work: Lyoner Straße 44 - 48, 60528 Frankfurt am Main, Germany, work: +49 69 631579-0, fax: +49 69 6313641
Logo of Atikon
Atikon, work: Kornstraße 15, 4060 Leonding, Austria, work: +43 732 611266 0, fax: +43 732 611266 20