For Freelance Data Analysts

Stop Cleaning Data Manually.
Start Delivering Insights Faster.

Client data is always messy. ColtraDataAi automates the cleaning step so you arrive at your analysis faster - and export clean data back into Python, R, or whatever tool you prefer.

Sound Familiar?

Every client engagement starts the same way: data that needs work before any real analysis can begin.

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Cleaning Eats Into Your Analysis Time

Before you can model, visualise, or report on anything, you have to fix the data. Duplicates, missing values, inconsistent formatting - it all has to be dealt with before the real work starts.

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Prep Work Does Not Bill at Your Best Rate

Clients pay for your analytical skills and judgement. Every hour spent manually cleaning a spreadsheet is an hour you are not spending on the insights they actually hired you for.

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Tracking Every Change for Methodology Is Tedious

Documenting what you changed, removed, or flagged in a dataset is important for transparency and rigour - but tracking it manually row by row adds time you do not have.

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Clients Expect Fast Turnaround

A messy raw file can add hours before your pipeline even starts. The faster you can get to clean data, the more time you have to deliver the analysis that builds your reputation.

Your Supporting Tool for Every Client Dataset

Automate the cleaning step, document what changed, and export clean data back into your workflow - without changing how you work.

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Clean Any Client Dataset in Minutes

Upload the raw CSV or Excel file. ColtraDataAi identifies and resolves quality issues automatically - duplicates, missing values, formatting inconsistencies - so you start analysis from clean data.

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Export Clean Data Back to Your Tools

Download the cleaned dataset as CSV or Excel at any time. Continue your analysis in Python, R, Power BI, Tableau, or Excel - the cleaned file works in any environment.

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Documented Audit Trail for Every Run

Every cleaning session produces a full data quality report showing what was found, changed, and flagged at row level. Drop it into your methodology section or share it with the client for full transparency.

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Client-Ready Reports Generated Automatically

Generate professional PDF reports with dashboards, AI-powered observations, and data quality summaries - ready to share with clients or use as the basis for a deeper deliverable.

Built to Sit Alongside Your Workflow

Not a replacement for your analytical toolkit - a faster on-ramp to clean data, whatever tools you use next.

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Automated Data Cleaning

Duplicates, missing values, format errors: resolved automatically. Start every project from a solid, clean foundation.

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CSV & Excel Export

Download the cleaned dataset in the format that works for your pipeline - CSV for Python or R, Excel for client handoffs.

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Row-Level Audit Trail

Every change, flag, and removal documented at row level. Useful for methodology sections, peer review, and client transparency.

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Interactive Dashboards

Visualise cleaned data instantly. Use as a starting point for deeper analysis or share directly with clients.

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AI-Powered Observations

Plain-English summaries of trends, anomalies, and quality flags - useful for framing your analysis or briefing clients.

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Works Anywhere

On-site, at the client, travelling: ColtraDataAi runs in any browser on any device. No installation, no setup.

Export and Continue in Any Environment

No integration required. Clean the data here, then take it wherever your workflow goes next.

Python (pandas, NumPy) R / RStudio Microsoft Excel Google Sheets Power BI Tableau Jupyter Notebooks SQL databases Salesforce exports Any CSV Export

Three Steps to Clean Data, Ready for Analysis

From raw client file to clean, exportable dataset - without the manual prep marathon.

1

Upload the Client File

Drop the raw CSV or Excel export. Any format, any structure, any quality level.

2

Review and Clean

Issues flagged at row level. Download the audit trail and the cleaned dataset in seconds.

3

Continue Your Analysis

Pick up the clean file in Python, R, Excel, or any other tool. No reformatting needed.

Start Free. Scale as Your Client Work Grows.

No hidden fees. Cancel anytime. Upgrade or downgrade whenever you need.

Free
Β£0 / month
Try it on a real client dataset. No card required.
  • 3 cleaning runs per month
  • Up to 5,000 rows
  • 10 MB file size limit
  • Automated data cleaning
  • CSV & Excel export
Start Free
Starter
Β£29 / month
Larger datasets with AI insights and full export options.
  • 50 cleaning runs per month
  • Up to 50,000 rows
  • 25 MB file size limit
  • Excel export
  • AI-powered insights
Get Starter
Business
Β£299 / month
High-volume processing with branded outputs and unlimited API calls.
  • 1,000 cleaning runs per month
  • Up to 1,000,000 rows
  • 200 MB file size limit
  • Excel, PDF & branded reports
  • Premium charts
  • Unlimited API calls
Get Business
Enterprise
from Β£999 / month
Unlimited capacity with white-label, SLA, and dedicated support.
  • Unlimited cleaning runs
  • Unlimited rows
  • 500 MB file size limit
  • All outputs + white-label
  • Dedicated support + SLA
  • Custom AI workflows
Contact Sales
πŸ“± All plans include full mobile access: clean and export from anywhere, on any device.

Data Analyst FAQs

Everything you need to know before you upload your first file.

No - it handles the data cleaning and preparation step so you can focus on analysis. Export the cleaned CSV or Excel and continue your work in Python, R, or any tool you prefer. Think of it as the cleaning layer before your pipeline.
Yes. Download the cleaned dataset as CSV or Excel at any time and pick up your analysis in whatever environment you work in - Python, R, Power BI, Tableau, or Excel.
Every run produces a full report showing what issues were found, what was changed, and what was flagged - with row-level detail. Useful for methodology documentation and client transparency.
Yes. Each run is independent so client data is never mixed between engagements. Professional and Business plans give you 200 to 1,000 runs per month.
ColtraDataAi includes 8 domain cleaners - Finance, Trade, Healthcare, Logistics, Retail, SME, Hospitality, and Consultant - each applying domain-specific validation rules on top of standard cleaning. Select the cleaner that matches your client's industry.
Yes. Files are processed securely and never permanently stored or shared. ColtraDataAi is GDPR-compliant and does not retain client data after processing.
Most files clean in under two minutes regardless of size or complexity within plan limits. Larger files on higher plans process proportionally faster.
Yes. ColtraDataAi works in any browser on any device - laptop, tablet, or phone. No installation or setup required. Works on any network including client office Wi-Fi.

Ready to Spend More Time on the Analysis That Matters?

Start free - no credit card required. Upload a client file and have clean, exportable data ready in minutes.

πŸ’¬ ColtraDataAi Assistant
Hi! Ask me anything about ColtraDataAi for data analysts: plans, features, or getting started. πŸ‘‹