Excel Conditional Formatting for Financial Trends

I need expert help to set up conditional formatting rules on a complex Excel spreadsheet to visualize financial trends over time.

Key Requirements:
- Use of Excel
- Expertise in conditional formatting
- Experience with financial data
- Ability to create clear, visual trends

Ideal Skills and Experience:
- Advanced Excel skills
- Background in finance or financial analysis
- Detail-oriented and able to handle complex spreadsheets

Please provide examples of similar work done.