Business Dashboard System Development

I’m looking for an advanced Excel + Google Sheets expert to build a premium 20-tab business dashboard system for Etsy sellers (UK focused).

This is a high-level, professional system, not a simple tracker.

Core Features:
• Automated profit calculator
• Etsy fee + VAT engine (UK)
• Sales tracker
• Live business dashboards
• Monthly & yearly P&L
• Inventory forecasting
• Tax & VAT planner
• KPI & analytics dashboards

Technical Requirements:
• Excel + Google Sheets compatible
• Advanced formulas (XLOOKUP, SUMIFS, QUERY, arrays, pivots)
• Dashboard UI design
• Clean structure & documentation
• Beginner-friendly instructions

Deliverables:
• Fully working spreadsheet
• Editable source file
• Instructions
• Version for Excel + Google Sheets

Budget: £500 – £900
Timeline: 10–14 days

Please include examples of complex dashboards you’ve built.