Turn CAD file and Architectural drawing into 3D Model & Walkthrough Animation

I need a detailed 3D model and animated walkthrough for internal review.

Requirements:
- Convert architectural CAD into a 3D model
- High detail level with realistic textures
- Animated walkthrough covering both interior and exterior

Ideal skills:
- Proficient in CAD software and 3D modeling
- Experience in creating high-quality animations
- Strong attention to detail and texture work

Please provide samples of similar work.