Realistic Dog Portrait in Charcoal

I'm looking for a talented artist to create 2 realistic charcoal portrait of my dogs. The portrait should be A3 size (11.7 x 16.5 inches) and feature a detailed background. I included/attached two pictures that i would like to be drawn with charcoal.

Requirements:
- Realistic charcoal portrait style
- A3 size
- Detailed background

Ideal skills and experience:
- Proficiency in charcoal drawing
- Experience with realistic pet portraits
- Ability to create intricate background details

Please provide samples of previous work.