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EST. 2015 — LINGUISTIC INSTITUTION

The Soul of Language. The Logic of Data.

Built on 11 years of multi-disciplinary linguistic mastery, AvantLingua is a managed Vietnamese workforce of 50+ specialists. We bridge the gap between human nuance and machine intelligence.

50+ Specialists
C2 CEFR Level
11 Years
SERVICE VERTICALS

Three Pillars of
Precision

I

Professional
Linguistics

The foundational practice. Precision translation, transcription, and interpretation across legal, technical, marketing, and business domains.

  • Document & content translation
  • Multi-dialect transcription
  • Simultaneous interpretation
  • Legal & technical localization
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II

Voice &
Audio

The studio practice. Native Vietnamese voice talent and audio engineering for commercial production, film dubbing, and high-fidelity AI voice datasets.

  • Voice-over & narration
  • Film & video dubbing
  • Audio recording & engineering
  • TTS & voice training datasets
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III

Managed
AI Data

The evolution. AI-ready linguistic data at scale—annotation, RLHF, evaluation, and transcription delivered by domain experts, not gig workers.

  • RLHF & preference annotation
  • Sentiment & intent analysis
  • ASR / TTS data pipelines
  • Product & content tagging
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FEATURED CUSTOMERS

In Service Of
Industry Leaders

A curated roster of AI data providers, language platforms, and enterprise IT firms—trusted with their most demanding Vietnamese projects.

01 AI Data Solutions
Speech · Multimodal
02 Translation Platform
Interpretation · APAC
03 Digital Engineering
Workforce · Agentic AI
04 IT Services
Quality Assurance
15+ Countries Served
200+ Projects Delivered
11 yrs In Practice
50+ Specialists
THE ACCURACY GAP

Solving the
Accuracy Gap

THE QUALITY CRISIS

Linguistic Validation

Generic crowdsourcing leads to ‘hallucinated’ labels and culturally deaf data. We provide linguist-led validation, ensuring your training data is culturally grounded and structurally sound.

THE SCALING WALL

Managed Workforce

Individual freelancers lack the redundancy for enterprise-scale projects. We offer a managed team of 50+ specialists built for high-velocity, consistent output across months, not days.

TECHNICAL FRICTION

Platform Fluency

We speak your language—literally and technically. Our team is fluent in Labelbox, SuperAnnotate, and clean data delivery pipelines. Zero onboarding friction.

THE HONEST EVOLUTION

Expert Linguists,
AI-Ready.

We are honest about our journey. We aren't an ‘AI Black Box’—we are a Language Institution that has evolved.

We took our veteran translators—experts in Legal, Technical, and Marketing domains—and integrated them into a rigorous AI-logic pipeline. Managed by our ‘AI-Core’ leads, we ensure that every token of data meets an 11-year standard of human precision.

The result: a workforce that understands both the soul of Vietnamese language and the logic your models demand.

2015 Founded as a professional translation practice
2018 Expanded into legal & technical domains
2022 First AI annotation contracts
2024 Managed workforce model established
2026 50+ specialists, full AI-data pipeline
WORK WITH US

Request a
Pilot Project

Tell us about your project scope and we'll propose the right team configuration. Quote turnaround within 24 hours.

24-hour response guaranteed.

“Quality is a personal commitment. Founded on a decade of excellence.”
Bach Doan, Founder