Web App for Furniture Retail Expense Tracking

I need a web app that tracks expenses and incomes between our furniture retail company and external assembly partners. The application should support user management for different roles (Admin, Manager, Basic User), have summarized logs, and facilitate multi-level payment approval workflows.

Key Features:
- User Management: Different access levels for Admin, Manager, and Basic User.
- Expense/Income Tracking: The app should track finances with summarized logs.
- Payment Approval: A multi-level approval system for all transactions.

Ideal Skills:
- Proficient in MSSQL, IIS.
- Experience in developing web apps for expense tracking.
- Prior work with multi-level payment approval workflows.
- Capable of providing deployment support.