Elegant PowerPoint Proposal Template Design

I need a polished, multi-slide proposal template built in PowerPoint that I can quickly adapt for future pitches. You will receive my full brand guidelines—logo files, fonts, and colour palette—so every layout must follow them faithfully while still feeling fresh and engaging.

Here’s what I’m after:
• A complete slide master with a variety of layouts (cover, section breaks, text-heavy, image-focused, chart, table, quote, thank-you, etc.)
• Placeholders and clear formatting for headings, body text, images, icons, charts and tables so my team can simply drop in content.
• Subtle animation presets that enhance, not distract.
• A short “how-to” slide explaining the theme settings and best practices for swapping images and colours.

Please build natively in PowerPoint—no external plugins—so everything remains editable on both Windows and Mac versions of Office 365.

Once the first draft is ready, I’ll review and provide consolidated feedback for one round of refinements. Final delivery should be the unlocked .pptx file plus any supporting graphic assets. If you’ve created sales or investment decks before, definitely mention it when you send samples; clean, minimalist work that respects brand guidelines will stand out.