Congratulations on starting your business Moritz! That by itself is super inspiring! I was once there, my unsolicited advice today to my younger self would be:

Step 1: Create incredible things
Step 2: Share your incredible things
Step 3: Be kind to everyone
Step 4: Repeat every every day until your heroes are your colleagues

It really is that simple. Kindness ALWAYS wins. All the best to you going forward!