KDP Formatting & Publishing Help

I have a completed non-fiction manuscript that I want available on both Kindle Unlimited and standard KDP storefronts. What I now need is the final polish and technical work that will let Amazon accept the book the first time around... (Budget: £20 - £250 GBP, Jobs: Adobe InDesign, Book Cover Design, Brochure Design, eBook Design, Graphic Design, PDF, Print Design, Publishing)