You live in Germany but…

[ul][li]you avoid speaking German at networking events[li]conversations switch to English quickly[li]you struggle to explain what you do[li]you feel less confident around German entrepreneurs

Even if you understand some German, speaking confidently in real situations is difficult.

You have built a business, but:
[ul][li]networking events are in German[li]partners speak German[li]local communities speak German
You feel limited.