Gamma Presentation Corporate Redesign

My Gamma deck is solid on content but weak on visuals. I need you to transform it into a polished, corporate-grade presentation without touching the messaging itself. The current file suffers from uneven layout, an inconsistent colour palette, and graphics that feel out of place... (Budget: £10 - £20 GBP, Jobs: Corporate Identity, Gamma, Graphic Design, Icon Design, Logo Design, Photoshop, Typography, Visual Design)