Powerpoint Document Needs to make it look very smart and luxury

We have an PowerPoint document which is based around attracting investors, we want to make this look very upmarket as its going to top investors so needs to look the part. The presentation is for a fund so it needs a financial capital markets feel to the presentation with imagery to show this through the presentation.

Presentation is currently 15 slides, we need unlimited revisions and someone who knows how to make very high quality presentations, all the content is ready to go.