Data Analyst Expert turning data into decisions.

I transform raw data into actionable insights using Excel, Power BI, SQL, and Python — helping businesses grow with confidence.

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Emmanuel Matthew - Data Analyst

Featured Projects

Oil Rig Performance Dashboard

Oil Rig Performance and Profitability Dashboard

Interactive Power BI dashboard with DAX measures, return rate analysis, and location-based performance insights.

#PowerBI #DAX #Excel #PowerQuery
View Case Study
Computer Sales Store Satisfaction Analysis

Computer Sales Store Satisfaction Analysis

Power BI business analysis and models created to identify key drivers of customer satisfaction and retention.

#Excel #PowerBI #PowerQuery
View Case Study
Bank Churn Analysis Dashboard

Bank Churn Data Analysis

Comprehensive analysis of customer churn patterns using Power BI DAX and Excel, revealing key factors influencing retention and providing actionable insights to reduce attrition rates.

#Excel #PowerBI #DAX #Automation
View Case Study
View More on GitHub

Tools I Work With

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Other Professional Skills

Data Storytelling
Business Intelligence
VBA & Automation
Statistical Analysis
Dashboard Design
Client Communication
Project Management
Remote Consulting

My Services

Data solutions for Nigerian businesses

Power BI Dashboards

Interactive, real-time, mobile-ready.

  • DAX & Custom Visuals
  • Power Query ETL
  • Drill-throughs
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Excel Automation

VBA, PivotTables, dynamic models.

  • Full VBA Macros
  • Reporting Templates
  • Data Validation
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Python Analysis

Clean, analyze, automate.

  • ETL Pipelines
  • PDF/Excel Reports
  • API Integration
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SQL Optimization

Fast queries, clean databases.

  • CTE & Indexing
  • Performance Tuning
  • Backup Plans
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Tableau Dashboards

Beautiful, interactive stories.

  • Dynamic Filters
  • Storytelling
  • Server Publish
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1-on-1 Consulting

From idea to delivery.

  • Requirements
  • Weekly Calls
  • Support
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Ready to Turn Data into Decisions?

I’m currently available for freelance projects across Nigeria and globally.

Power BI & Excel Dashboards
Python & SQL Automation
Remote & On-site Consulting
Fast Turnaround (48–72 hrs for most dashboards)

Let’s discuss your project — send me a message on WhatsApp right now!

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Trusted by Businesses Worldwide

From Lagos to London — delivering data excellence since 2023

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Average Client Rating

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★★★★★
Level 2 Seller • 4.9/5 (127 reviews)
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LinkedIn
Featured in LinkedIn’s “Top Data Analysts to Follow in Africa”
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Proudly serving clients in:

Nigeria Nigeria
United Kingdom United Kingdom
United States United States
Canada Canada
South Africa South Africa