Vahdettin Karataş

From raw data to clear decisions.

Dashboards, reports, and automation built for your business. One-off analysis is also available when you need a quick answer without a full project.

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Dashboard & KPI Reporting

See your performance in one place. I set up dashboards and KPI reporting so you can track what matters and make better decisions—without digging through spreadsheets.

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Data Cleaning & Business Data Analysis

Turn messy spreadsheets and exports into reliable data and clear insights. I clean and structure your data so you can trust the numbers and use them for decisions.

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Reporting & Spreadsheet Automation

Spend less time on repetitive reporting. I automate spreadsheet and report workflows so you get the same outputs with minimal manual work.

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Marketing & Business Reporting

Turn marketing and business performance data into clear reports and actionable findings. I structure the data and deliver reports that support decisions—not campaign management.

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Selected Work

Reporting, analytics, and data workflows for business.

Marketing Reporting Workflow Setup

Sales Dashboard for Performance Tracking

Spreadsheet Cleanup and Reporting Automation

1. Understand the Problem

I start by understanding your current reporting, data, or workflow problem.

2. Review the Data and Tools

I look at the data sources, reporting structure, and tools currently in use.

3. Build a Practical Solution

I create a clear and usable solution, whether it is a dashboard, analysis workflow, or reporting setup.

4. Refine for Real Use

The final output should not only work technically, but also be practical for day-to-day business use.

Tools I Work With

PythonSQLExcelGoogle SheetsPower BILooker StudioAPIsCSV and spreadsheet workflows

Let's Talk About Your Reporting or Data Workflow

If you need help with dashboards, reporting, data analysis, or workflow automation, feel free to get in touch.

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Data, Reporting & Automation for Business

From raw data to clear decisions.

Dashboard & KPI Reporting

Data Cleaning & Business Data Analysis

Reporting & Spreadsheet Automation

Marketing & Business Reporting

Selected Work

Marketing Reporting Workflow Setup

Sales Dashboard for Performance Tracking

Spreadsheet Cleanup and Reporting Automation

How I Work

1. Understand the Problem

2. Review the Data and Tools

3. Build a Practical Solution

4. Refine for Real Use

Tools I Work With

Let's Talk About Your Reporting or Data Workflow