AI doesn’t speak your language yet. We’re fixing that.

20+ years making the digital world more accessible. Today, we help AI companies get native-speaker voice data and vetted domain -expert data to train and evaluate speech and language models.
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Voice & domain-expert data for AI

We help AI companies source native-speaker voice talent across 90+ languages, plus vetted domain-expert data in medicine, coding and mathematics, to train and evaluate speech, language and multimodal AI models.
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Talk to us about voice & domain-expert data

The future of AI can’t be built in one language

AI is advancing fast but mostly in English, leaving billions behind. We help it catch up across 160+ languages with faster, smarter, human-powered training.
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450K+ RLHF Hours Delivered

Multilingual, multimodal, high-quality human feedback.
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72 Languages

Audio + text. Regional dialects included.
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650+ Vetted Domain Experts

Ready to Start
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10K+ Linguists, Coders & Scientists

 Carefully sourced, trained, and vetted.
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20+ Years in Language Services

From books and films to LLMs — we’ve seen it all.
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Fast, Scalable Delivery

Hundreds onboarded in days, not weeks.

The World’s Leading AI Labs Trust Us — and So Do Global Brands

Over the past 20 years, we’ve served over 450 clients, including Fortune 500 companies and the U.S. government, delivering large-scale projects with the accuracy, speed, and global reach they rely on. In the last two years, we’ve focused that expertise on the world’s leading AI labs.
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Customer Stories

Proven Speed. Trusted Quality. Real Results.

We've helped top AI labs scale faster, smarter, and in more languages — without compromising on quality. From 100K+ hours of RLHF in 30 languages to expert-level reasoning support in medicine, code and mathematics, we've delivered what others said couldn't be done.

Let’s train your model the right way

Join the AI labs and global teams already scaling with MLG
At MLG International, we believe that artificial intelligence should be just as intelligent in Spanish, Hindi, Arabic, or Swahili as it is in English. Our team is driven by the idea that language should never be a barrier to innovation. Today, the vast majority of AI systems are trained primarily on English-language data, leaving a gap that limits global access, accuracy, and cultural relevance.

Our mission is to close that gap. We work with expert linguists, cultural specialists, and AI developers to help companies build multilingual models that don’t just translate but truly understand. By enabling AI to speak the language of each market, not just linguistically but contextually), we help businesses reach more people, more authentically, and more effectively.
Martin Galarce
Martin Galarce
Founder of MLG – In the last 20 years, we helped many Fortune 500 companies to reach most corners of the world.
Silvina Mazzia
As COO of MLG has lead multidisciplinary teams of hundreds of linguists, designers, talents and coders.

Boost your multilingual edge

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