Vegetable Trading Software Development

I'm looking for a comprehensive sales, billing, and accounting software tailored for a vegetable trading company. The software should streamline our operations and provide robust financial oversight.

Key Functionalities:
Sales Module:
- Sales reporting
- Billing
- Accounting

Billing Module:
- Invoice generation
- Payment tracking
- Tax calculation

Accounting Module:
- Expense management
- General ledger
- Financial statements

Ideal Candidates Should Have:
- Proven experience in developing integrated financial software solutions
- Strong understanding of sales, billing, and accounting processes
- Ability to create user-friendly interfaces
- Expertise in tax regulations and financial reporting

Please provide samples of previous similar projects.