Modern Letterhead and Business Card Design

I'm seeking a talented designer to create a modern-style letterhead and visiting business card for my business. The primary colors should be blue and white, and the design should incorporate our logo, contact information, and our tagline or slogan on the business card.

Ideal Skills and Experience:
- Proficient in graphic design software
- Experience in creating corporate identity materials
- Strong understanding of modern design principles
- Excellent attention to detail
- Able to work to brand guidelines