How To Get A Person Who Can Create Mob App?

My uncle owns a business. He started his business around 9 years ago. He have degree in IT from a renowned university of Chicago. That’s why he started his own business to spread his services and can make his own identity in the business industry. He came to know about the android and apple mob app developer service so that he can his grow business. Now he is looking for a person who can offer him Apple application developer services because he tried several times to create his mob app on his own but he was not capable to create his mob app. So now he is looking for someone who can help him to create his apple and android mob app.