Deepayan Dey

Excel Expert | Data Cleaning | Data Analysis | Advanced Dashboards

Do you have a messy Excel file, repetitive calculations, raw data, or a report that takes hours to prepare every month?

I can help you turn it into a clean, accurate, automated, and professional Excel solution.

I specialize in Excel Mastery, Data Cleaning, Data Analysis, and Advanced Excel Dashboards. My focus is not just on making spreadsheets look good — I build files that are practical, easy to use, accurate, and designed to save your time.

What I can help you with:

• Advanced Excel dashboards and interactive reports
• Data cleaning, formatting and error correction
• Removing duplicates and fixing inconsistent data
• Data consolidation from multiple Excel files
• Complex Excel formulas and automation
• Pivot Tables and Pivot Charts
• KPI and management dashboards
• Financial and investment trackers
• Sales, inventory, expense and project reports
• XIRR, CAGR, ROI and financial calculations
• S-Curve, trend analysis and forecasting
• Data validation and drop-down systems
• Conditional formatting and professional Excel design
• Large-data cleaning and restructuring
• Automated monthly/weekly reporting templates

What you can expect

I believe a good Excel solution should be accurate, simple to operate, and genuinely useful.

You provide the raw data, existing Excel file, or simply explain the problem. I will help structure the data, clean it, create the required calculations, analyze it, and turn it into a professional report or dashboard.

My goal is simple:

Less manual work → fewer errors → better data → better decisions.

If you have an Excel project that is difficult to explain, send me the file or tell me what you need. I'll review it and suggest the most practical solution.

Excel → Clean Data → Analysis → Automation → Decision-Ready Dashboard