One would say in Deutsch (German) ''Willkommen''.
Your welcome is used after you are thanked by someone and there is no after speech after it.
you are welcome
A welcome address is to welcome someone to an event. It shows the audience that you are happy they are there and that you appreciate them.
Andre Deutsch's birth name is Andr Deutsch.
Patti Deutsch's birth name is Patricia Deutsch.
It is more common to say "Welcome to the..." when welcoming someone to a specific place or event.
Sie sprechen Deutsch. or in a more familiar way, Du sprichst Deutsch. or Ich spreche Deutsch
dtwererf
Herbert Deutsch's birth name is Herbert Arnold Deutsch.
Kurt Deutsch's birth name is Kurt R. Deutsch.
Say "It's a pleasure to help." Or "You're welcome."
Saying you're welcome when someone says thank you is "Bitteschön" and you're welcome as in "welcome to a place" is "Willkommen"