Professional Letterhead Design & Content

I need a professional looking letterhead design and the content for my first letter. The logo and copy are already done, and I will provide them to you.

Key Requirements:
- Letterhead Design: Format - PDF
- Letter Content: Tone - Formal

The letterhead design should include:
- Company address
- Social media icons
- Legal disclaimer

Ideal Skills and Experience:
- Graphic design with experience in creating professional letterheads
- Copywriting skills for formal correspondence
- Attention to detail to ensure the design is consistent with the provided elements