A4 Corporate Header and Footer Design

I'm looking for a professional to design a corporate A4 letterhead header and footer.

Requirements:
- Style: Corporate
- Header Elements: Company logo, Contact information
- Footer Elements: To be determined

Ideal skills and experience:
- Proven graphic design expertise, especially with corporate materials
- Strong portfolio showcasing similar projects
- Proficiency in design software (e.g., Adobe Illustrator, InDesign)
- Ability to incorporate branding effectively

Please include samples of previous work in your bids.