Katja Kastaun

Specialist tax lawyer
Diplom-Finanzwirtin (FH) (graduate in tax administration)

About Katja Kastaun

Born in 1970, university and training with the tax authorities of the state of Bremen, qualifying as a Diplom-Finanzwirtin (FH) (graduate in tax administration). Studied law in Göttingen, focussing on tax law. Trainee lawyer in Lower Saxony with periods spent at the German University of Administrative Sciences Speyer as well as at the Bremen tax court. Licensed to practice law since 2000.

Since then, has worked as a lawyer at the Grezesch & Bachmann law office.

Tutoring, including at the Steuerakademie Bremen tax school (procedural tax law).

Specialist fields

  • Tax law
  • Tax-related appeal procedures (objections, legal action and appeals on questions of law)


  • Tax law working group of the Deutscher Anwaltverein (German Bar Association)