I am interested in this project and would love to message about the details. I work at a local studio where I use Adobe After Effects almost daily, so I am confident I can create an animation you are happy with. Adding the voice over and having it and the animation line up would be easy for me.
Again, we would just need to discuss details, because the current price and time to complete are guesses at the moment. With more information, I can give you final numbers.
I hope to hear from you soon!