Personal guide. Individual solutions.

In order to meet your specific business requirements, we identify and focus on your individual needs – this is our understanding of personal service.

Consequently, you are always attended by the same personal advisor who is well acquainted with your business situation. Your advisor is committed to offer you individual services based on your specific needs, supporting you effectively in achieving your goals.

You benefit from the skills of our highly qualified team of experienced experts who are constantly continuing their education to provide you with up-to-date consulting services.


Dr. Nicolas Günzler (certified tax consultant and attorney at law), Martin Schommer (certified public accountant and certified tax consultant) and Ralf Seifert (certified public accountant and certified tax consultant) represent Constantin as partners and managing directors.

Their broad horizon of experience and their experience in advising international companies of all sizes and from a wide range of industries, make them ideal discussion partners and innovators if you want your company to move forward.

How far may we accompany you?

No matter which services from our portfolio you draw upon, you can rely on our commitment and our highly qualified experts who show the same dedication for every client. Creativity, passion and the will to succeed are the strengths on which we build to continue to further improve our services for you, irrespective of the size of your organization or the extent of our mandate.

Our clients

We consult national and international companies from the service, healthcare, trade and industrial sector with annual sales of up to EUR 400 million. Our clients mainly come from the petroleum trade, paper production and medical sector as well as from the fashion, IT, transport and logistics industry.

Constantin Group history

The company was founded in Paris in 1936 by Léon Constantin. After a very successful start, new offices were established in France and later in other countries. In 2007, the partners of Constantin France associated themselves with international Deloitte & Touche.

The German Constantin was founded in 1977 and has been directed by Martin Schommer since 1998.

As of 1st July 2010, the company has become independent of existing networks.