Modern Brochure and Letterhead Design

I need a modern and sleek promotional brochure and letterhead designed. The brochure is intended to promote our services/products.

Requirements:
- Modern and sleek design
- Brochure should be promotional
- Letterhead design to match

Ideal Skills and Experience:
- Graphic design expertise
- Experience with promotional materials
- Strong portfolio of modern design work

Provide samples of previous work with your bid.