Commercial Building CAD Design

I need a detailed CAD design for a commercial building that includes office spaces and retail areas.

Requirements:
- Accurate and scalable CAD drawings
- Incorporation of functional and aesthetic design elements
- Design should maximize space efficiency and comply with building regulations

Ideal Skills and Experience:
- Proficiency in CAD software (AutoCAD, Revit, etc.)
- Strong background in commercial architectural design
- Experience in designing office and retail layouts
- Attention to detail and creativity in design solutions

Please provide samples of previous commercial projects.