Modern Corporate Letterhead & Business Card

I need a modern-style letterhead and business card designed. The design should incorporate my corporate colors.

Essential Requirements:
- Modern design aesthetic
- Use of corporate colors
- Include logo, contact information, and tagline

Ideal Skills:
- Graphic design expertise
- Experience with corporate identity projects
- Proficiency in design software (e.g., Adobe Illustrator, Photoshop)

Please provide samples of previous work.