Branding Redesign of website, corporate ppt

I need a comprehensive redesign of my company's corporate presentation, high-resolution logo, and website. Our core business is HVAC Engineering AI Integration and Optimization.

Corporate Presentation:
- Must include: Product/services overview, Case studies
- Style: Modern and minimalistic
- Highlight: Key features, Customer benefits, Technical specifications

Ideal Skills & Experience:
- Strong background in PowerPoint or similar presentation software
- Graphic design skills for logo and website
- Experience with modern, minimalistic design principles
- Ability to clearly present technical information

Looking for a freelancer who can create a cohesive and professional corporate identity.