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Data cleaning, Power BI dashboards, and Excel reporting for growing businesses.

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  • Data Cleaning & Preparation
  • Power BI Dashboards

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Remote delivery worldwide

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Clean Data. Clear Insights.

Data freelancer. I help businesses turn messy spreadsheets and raw data into clean, structured files and clear Power BI dashboards — so decisions are based on accurate numbers, not guesswork.

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Data CleaningPower BI DashboardsXero Reporting

No agency layers, no handoffs — you work directly with me.

Data Overview

Power BI · Excel · Xero
Rows Processed
48,500
+94% accuracy
Data quality trendToday

Files Cleaned

24

+8 this month

Reports Delivered

12

Clean

Analyse

Visualise

Data and reporting tools I work with

Excel logoExcel
Power BI logoPower BI
Python logoPython
Xero logoXero

Hi, I'm Edwin Pedraza.

I'm Edwin Pedraza, a data freelancer. EPNexo isn't just a name — "Nexo" is Spanish for the connection point, and that's the service: I bring ideas, implement them, and leave the process behind your data running when the project ends. No agency layers, no handoffs — you work directly with me, from the first call to the final dashboard.

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Portrait of Edwin Pedraza, founder of EPNexo

Data Cleaning and Power BI Dashboards

From raw exports to structured datasets and clear dashboards — practical data work for businesses that need accurate numbers.

Data Cleaning & Preparation

Python (Pandas) and Power Query to clean, standardise, and structure raw files from Excel, CSV, or Xero exports.

  • Duplicate and error removal
  • Date, name, and format standardisation
  • Xero export preparation
  • Power Query repeatable transforms
  • Delivery as clean Excel or CSV
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Power BI Dashboards

Connected Power BI dashboards built on your Excel, CSV, or Xero exports — with the data model and DAX measures your team needs.

  • Report design and data model
  • KPIs, DAX measures, slicers
  • Revenue, cost, and margin tracking
  • Monthly and YTD comparisons
  • Handover with refresh instructions
Learn More

Fixed Scope. Clean Data. Real Results.

FixedPrice per project — no surprises
PythonData cleaning with Pandas & Power Query
Power BIInteractive dashboards from your data
XeroXero data exported to Excel for reporting
VBAExcel automation with macros & VBA
DocsDocumentation delivered with every project

From Raw Data to Clear Reports

01

Map

We review the current data sources, formats, tools, and reporting needs.

02

Clean & Structure

We clean, transform, and structure your data using Python (Pandas) and Power Query — then connect it to Power BI for clear reporting.

03

Deliver

We deliver clean datasets and connected dashboards with documentation and refresh instructions.

$48.2K
+8.1%
$31.5K
-2.3%
$16.7K
+15.4%
JanFebMarAprMayJunJulAugSepOctNovDec

Dashboards That Show What Is Happening

See your business metrics, data trends, and report summaries without building reports from scratch.

  • Workflow status tracking
  • Custom operational dashboards
  • Reports and evidence for decisions
  • Visible from web and mobile tools
Explore Dashboard Support

Common Questions About Data Work

Find Me on Freelance Platforms

Top Rated on Upwork

Power BI Analyst | Excel & Power Query Automation Expert

AustraliaAvailable for new projects

I help teams turn raw spreadsheet data into clean, structured files and clear Power BI dashboards — so decisions are based on accurate numbers, not guesswork.

Data CleaningPower BIPower QueryPython (Pandas)Excel AutomationVBA / MacrosXero ReportingData AnalysisSQL
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Ready to Clean Your Data and Build Clear Reports?

Start with one dataset or one dashboard — and build from there.

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