Data Cleaning, Transformation & Supervised Fine-Tuning Datasets.

We clean, reshape, and modernize enterprise data for digital transformation and AI adoption. Our services include advanced harmonization, re-granularization, interoperability modeling, and the creation of supervised fine-tuning datasets that encode your business processes and domain expertise.

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Why Clean, Structured Data Matters

Most digital transformation and AI projects fail due to fragmented, inconsistent, or outdated information. We fix that by delivering clear, reliable, migration-ready data you can trust.

  • Remove inconsistencies, duplicates, and outdated values
  • Align datasets with real workflows and business rules
  • Match schemas across CRM, ERP, HR, supply chain, and custom tools
  • Ensure GDPR and EU AI Act–compliant processing
  • Unlock information trapped in documents

Data Transformation for Modern Tools

We adapt your data to new platforms and tools — from re-structuring and re-granularization to full schema redesign. Your information becomes interoperable and ready for ERPs, CRMs, cloud services, analytics platforms, and AI systems.

  • Migration-ready datasets
  • Re-granularization for new tools or data models
  • Schema harmonization and mapping
  • Transparent AI-assisted transformations

Supervised Fine-Tuning Dataset Creation

We build high-quality supervised datasets designed for fine-tuning LLMs and AI models. Whether based on your documents, workflows, or domain knowledge, we produce structured, balanced, high-trust training data.

  • Synthetic and human-validated training pairs
  • Document-to-dataset conversion for AI
  • Bias reduction and deduplication
  • Traceable, compliant data pipelines

AI-Powered, Traceable Data Preparation

Our proprietary AI-based software automates transformation, matching, enrichment, and validation — with full auditability for every operation.

  • Automated mapping & field alignment
  • Structured extraction from documents
  • Missing-value inference and enrichment
  • Local processing for full data sovereignty

From Dirty Data to Deployable Insights

We don’t just clean your data — we prepare it for real use. The results are reliable datasets ready for analytics, operations, automation, and AI.

  • Semantic harmonization across systems
  • Legacy system analysis and restructuring
  • Predictive migration readiness scoring
  • Continuous post-migration monitoring

The Data Cleaning Co. Advantage

  • AI-Driven • Every operation is transparent and traceable
  • European Compliance • GDPR + EU AI Act built-in
  • Expertise • Engineers + AI specialists dedicated to clean, reliable data

What Our Clients Say

Don’t just take our word for it - hear from some of our satisfied clients!

The Data Cleaning Co. helped us clean and migrate over 10 million records in just weeks. Their audit trail and local AI setup gave us total confidence.
Sophie D.

Sophie D.

Chief Data Officer, Paris

We used their document-to-dataset extraction for contract analysis — it saved us months of manual work.
Marc L.

Marc L.

Head of Data Science, Lyon

Finally, a data cleaning company that understands both technology and compliance. Everything stayed local and GDPR-safe.
Isabelle R.

Isabelle R.

CIO, Toulouse

Our ERP migration succeeded because our data was harmonized and fully auditable — thanks to The Data Cleaning Co.
Antoine B.

Antoine B.

Digital Transformation Lead, Lille

Ready to Improve Your Data?

Whether you’re modernizing your systems or training AI models, we make sure your data is reliable, structured, and ready for what comes next.

Get in Touch with The Data Cleaning Co.

Ready to transform your data? Contact us today.