Custom Sales Database Development

I need a custom database solution to manage sales data and customer contact details. This database should be able to generate one-page reports and spreadsheets tailored to my needs, which I will send to my clients weekly.

Key Requirements:
- Manage and store large amounts of sales data
- Handle customer contact details
- Generate customizable one-page reports and spreadsheets
- Allow multiple users on the database entering and researching at the same time
- Able to create PDF, Excel, Label custom reports

Ideal Skills and Experience:
- Experience in database design and management
- Proficiency in report generation and data visualization
- Strong understanding of sales data and customer information handling
- Ability to create user-friendly interfaces for easy data access and report generation

Looking forward to your proposals!