Enhance Voices in Two Audios

I have two short recordings that mean a lot to me, but right now the voices—both male and female—sound distant and muddy. Online “one-click” cleanup tools didn’t get them anywhere near the clarity I’m after, so I need a skilled audio engineer who can treat these files with real care... (Budget: £20 - £250 GBP, Jobs: Audio Editing, Audio Engineering, Audio Mastering, Audio Processing, Audio Production, Audio Services, Music, Sound Design)