Online!
Hello there! Which agencies offer services like that? Can someone share experiences like that?
Online!
It is rare when people seek services like this, it is considered to be a part of UX work, yes, but you don’t see the phrase “user personas” that often. And yes, I can recommend something here. Check this article that answers the question of why are personas important . The article is posted on the blog of the company that offers services you require by the way.