Data Cleaning & Data Preprocessing Service

I provide professional data cleaning and preprocessing services to help you transform raw, messy data into accurate, structured, and analysis-ready datasets. Clean data is the foundation of reliable insights. I ensure your dataset is consistent, complete, and ready for reporting, visualization, or advanced analytics. What I Can Do for You: Remove duplicate records Handle missing values (imputation or removal) Fix formatting inconsistencies (dates, text, numbers) Standardize categorical data Detect and treat outliers Correct data entry errors Clean and structure Excel, CSV, SQL, or raw datasets Merge multiple datasets Prepare data for Power BI, Tableau, or Python analysis Perform data validation and quality checks Tools I Use: Excel (Advanced Functions & Power Query) SQL Python Power BI (Data Transformation) Data Cleaning Service Packages Basic Package – $5 For small datasets and quick fixes Clean up duplicate records Correct simple typos and formatting Deliver a clean Excel or CSV file SQL Script (if applied) included Standard Package – $10 For medium datasets with more detailed cleaning Remove duplicates & handle missing values Correct errors & unify date, number, and text formats Deliver clean and organized Excel or CSV file Include a brief Cleaning Report Up to 3 sheets/tables cleaned Premium Package – $25 For large datasets and advanced cleaning Full data cleaning for multiple tables Advanced missing value handling and data validation Standardize formats across all columns Deliver Excel/CSV ready for analysis or Power BI Include a detailed Cleaning Report with all changes Up to 6 sheets/tables cleaned