Professional Business Letterhead Design

I need a professional letterhead for our business, incorporating our company brand colors.

Requirements:
- Design should be professional in style
- Must include company logo and contact information
- Use of company brand colors is essential

Ideal Skills:
- Graphic design experience
- Proficiency in design software (e.g., Adobe Illustrator, Photoshop)
- Ability to create cohesive and professional branding materials

Please provide samples of previous work. Looking forward to your bids!