Data Labeling & Tagging

Make Your Data Smarter — One Label at a Time.

Overview

In today’s AI-driven world, the quality of your labeled data directly impacts the performance of your models. At Appen USA, we provide human-powered data labeling and annotation services that are accurate, secure, and scalable. Our U.S.-based workforce is trained to identify, tag, and structure data across a wide range of industries—from e-commerce and healthcare to finance and logistics.

We don’t just label data—we help shape the intelligence behind your automation. Every tag, classification, and annotation is reviewed for context, accuracy, and consistency to ensure machine learning models are trained with the highest standard of human insight.


What We Offer

  • Image & video annotation for object recognition and detection

  • Text classification & sentiment analysis

  • Audio transcription & labeling

  • Categorical tagging for product catalogs

  • Intent recognition for natural language processing (NLP)

  • Multi-label, entity, and bounding box annotations


Built for Accuracy & Security

Appen USA prioritizes data privacy and accuracy. All work is performed by certified agents within secure U.S. environments, meeting strict quality assurance protocols. We use layered validation techniques—including cross-checks and audit trails—to maintain consistency and reduce error rates.

Additionally, our workers are trained on a per-project basis, receiving guidelines, sample cases, and real-time feedback before they begin live work.


Flexible Engagement Models

Whether you need a dedicated team for long-term model training or on-demand labeling for short cycles, we scale to your workflow. Our platform integrates with your systems or APIs, allowing seamless data transfers and output delivery in your preferred format (JSON, CSV, XML, etc.).


Why Appen USA?

  • U.S.-only workforce: Guaranteed compliance with domestic data privacy standards

  • Domain expertise: Trained agents for healthcare, legal, retail, tech & more

  • Speed & scalability: Start small or go enterprise—our model adjusts to your needs

  • QA-first mindset: Dual-layer validation, feedback loops, and performance scoring

  • Direct communication: Real-time updates and team lead check-ins


Proven Impact

Clients using our Data Labeling services have reported:

  • 45% reduction in model training time

  • Up to 98% annotation accuracy

  • Improved AI outcomes across NLP, computer vision, and predictive analytics

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