We develop, acquire, partner and monolingual datasets for next-generation AI
Monolingual Datasets for AI & LLM development
Fuel Your AI & LLM with High-Quality Monolingual Data.
The performance of your AI models and Large Language Models (LLMs) depends on one thing: data. To build highly accurate, nuanced, and domain-specific models, you need vast quantities of clean, high-quality monolingual data. At NLPconsultancy.com, we specialize in providing the perfect linguistic foundation for your most ambitious projects.
We deliver the precise datasets you need to train and fine-tune models for any language or industry.

Our Expertise in Monolingual Datasets for AI
We handle the entire data pipeline, so you can focus on model development. Our comprehensive services include:
- Custom Dataset Creation: Need a specific corpus for a niche domain? We source and build custom datasets tailored to your exact requirements—from legal texts in German to medical journals in Japanese.
- Data Sourcing & Curation: We meticulously gather data from reliable sources, ensuring your dataset is diverse, representative, and free of low-quality or irrelevant content.
- Data Cleaning & Pre-processing: Raw data is messy. We perform extensive cleaning, including deduplication, tokenization, and normalization, so your dataset is ready for training right out of the box.
- Licensed & Ready-to-Use Datasets: Get a head start on your project. We offer a growing library of pre-curated and licensed monolingual datasets for a wide range of languages and applications
Why Choose Our Monolingual Datasets for AI & LLM development ?
A Large Language Model contains a vast amount of text data in a single language, carefully curated and cleaned to ensure maximum accuracy and efficiency. With our monolingual datasets, you can train your LLM to excel in a specific language, improving its performance and capabilities.
But that’s not all. Our parallel corpora (bilingual data) or monolingual data also offers a number of benefits, including:
- Improved data quality
By focusing on a single language, we can ensure that our data is of the highest quality, with minimal errors and inconsistencies. - Increased efficiency
With all data in a single language, you can streamline your training process, saving time and resources. - Better performance
Our monolingual data allows you to tailor your LLM to a specific language, leading to better performance and more accurate results.
We offer datasets in some 200 languages you can choose from!
Select the one that best fits your needs. Whether you’re working on a project related to business, healthcare, technology, or any other industry, we have the right dataset for you.

Why Choose Our Monolingual Datasets for AI & LLM development ?
- Unmatched Quality: We prioritize data integrity. Our rigorous cleaning and curation processes ensure that every dataset is accurate, consistent, and ready for model training.
- Domain-Specific Expertise: Our team understands the unique data needs for industries like finance, healthcare, and law, delivering datasets that capture the specific terminology and context you need.
- Scalability: Whether you need a small, focused dataset for fine-tuning or a massive corpus for a foundational model, our services scale with your project’s needs.