Marcel advised me at the beginning of my civil service career and I am completely satisfied. He takes his time, explains things clearly, and puts my interests first. A clear recommendation – top-notch professionally and personally friendly.

Mr. Sonnabend is not only a popular and highly regarded consultant among his clients, but also proves to be an extremely reliable and professional business partner. He keeps his promises and the level of trust is tremendous. Working with him is a pleasure! Thank you!

Competence is paramount here. The focus is on the customer and their individual needs, not on closing a deal like with other real estate agents. They offer honest advice and aren't afraid to share their opinions on what makes sense and what doesn't. Keep it up! I'm happy to be a customer here.