Been there too. Paying thousands of € for a notary just to read some text you wrote out loud to you is absurd.

The cherry on top is the exit tax:

> And no, I could not just leave instead. My first company, Freshflow, is valuable enough that walking out of Germany would trigger a massive six-figure exit tax, on gains I have not even realised, purely for the privilege of leaving.

This is ostensibly there to prevent large-scale tax fraud but has ridiculously low thresholds that make life difficult for anybody who is shareholder of even a small company.