Business Proposal Design for Vendor Onboarding

I'm seeking a professional to create a comprehensive business proposal aimed at onboarding new vendors.

The proposal should include a detailed market analysis with the following components:
- Competitor analysis
- Target market demographics
- Industry trends

Ideal skills and experience:
- Expertise in business proposal development
- Strong analytical skills for market research
- Experience in vendor management and onboarding processes
- Proficiency in creating professional, visually appealing documents

Please provide samples of similar work done and ensure the proposal is clear, concise, and engaging.