What is Data Labeling?
Our network of qualified data labelers create highly accurate labeled training datasets for machine learning. With over 20 years of hands-on experience, we’ve learned how to optimize the labeling process and built a range of technology to maximize data quality. No matter what your needs are, Lionbridge can support your data labeling needs across all content types.
Lionbridge’s Data Labeling Tool
Lionbridge’s state-of-the-art labeling platform makes it easy to collect data samples from thousands of contributors.
How does it work?

1. Project set-up
Our team works with you to develop a custom solution based on your project’s requirements, goals, and timeline.


2. Production
Our crowd of multilingual experts get to work labeling your data according to your specifications.


3. Delivery
Our project management team checks, packages and formats the data before sending it to you for final approval.

Our Data Labeling Services
Why Lionbridge?
Expertise
With 20 years of experience in providing data labeling services, Lionbridge can quickly assign qualified workers to build custom-labeled training datasets.
Quality
Our quality assurance system features built-in validation, spot-checking, regular performance evaluations, and a worker seniority system to ensure quality output.
Scale
Our network of over 500,000 qualified annotators allows us to quickly process hundreds of thousands of data rows so your models can get the information they need to work in the real world.
Case Studies
Sentiment Analysis
Learn how Lionbridge helped one of the world’s biggest technology companies collect and annotate 20,000+ text records to train their text analysis engine.
- 20,000+ Text Records
- 14 Languages
- 1,000+ Hours of Work Completed
WE SUPPLY THE WORLD’S LEADING COMPANIES WITH OUTSOURCED DATA LABELING SERVICES
Data Labeling Pricing
How much do Data Labeling services cost? The Lionbridge platform streamlines much of the data labeling process, allowing us to offer the most cost-effective solution in the industry. Contact us to get a free estimate for your project.
- Account Manager
- Project Management
- 24/7 Support
- API
- NDA
- Volume pricing
- Custom reporting
- Enterprise-grade SLAs
- Custom invoicing
- Consulting services

Multilingual Data Labeling Services
Lionbridge provides data labeling services across 300+ languages and dialects. Some of our most popular languages include:
- Chinese data labeling
- Dutch data labeling
- French data labeling
- German data labeling
- Italian data labeling
- Japanese labeling
- Portuguese labeling
- Spanish labeling