I need a audio to be edited clear voice

I am seeking an audio specialist to edit an audio file that is longer than 30 minutes in length. Specifically, I need voice enhancement to be applied to the audio, with particular focus on specific dialogue. While noise reduction and audio mixing may also help to improve the quality of the audio, I am ultimately looking for an editor who can help bring out the clarity in the dialogue. The ideal candidate for this project will have the technical expertise and artistic eye to craft the perfect end product.