Enterprise AI Training Data & Evaluation That Works Everywhere It Matters
Deliver AI that performs across languages, cultures, and domains—powered by enterprise-grade training datasets, human-in-the-loop validation, and quality systems you can measure.
AWARDS 2025
Best Use of AI in Cybersecurity
(Shortlisted)
OUR TRUSTED PARTNERS AND CUSTOMERS
Why AI Fails in the Real World
AI that skips context, culture, and compliance – costs you trust.
Most AI looks good in controlled tests. But when it meets real customers, it misses nuance, introduces bias, or fails industry checks.
Poor or biased training data makes these problems worse. That’s where Welo Data comes in: we generate and validate datasets that catch gaps before they damage your brand.
Human-Centered AI Infrastructure for Global Teams
We’re builders and researchers from the frontlines of AI—driven by one belief: as AI evolves, the data shaping it must evolve too.
Welo Data combines vetted global expertise with fraud-mitigated workforce management and measurable quality systems. From synthetic generation to annotation to human evaluation, we deliver complete data pipelines designed for enterprise AI.
What We Deliver
Global AI training data & evaluation
in 100+ languages and locales
Domain-specific expertise
across healthcare, finance, legal, and technical systems
Fraud-mitigated pipelines (NIMO)
with identity checks, anomaly detection, and verified contributors
Transparent quality systems
with benchmarks, reporting, and continuous validation
Enterprise-Ready AI Services
Whether you’re building foundation models or deploying enterprise AI, we provide the infrastructure to move fast without compromising trust.
Supervised Fine-Tuning (SFT) Services
Improve accuracy with domain-specific LLM fine-tuning data and workflows.
Reinforcement Learning from Human Feedback (RLHF)
Optimize model behavior with expert human-in-the-loop rubrics and large-scale feedback pipelines.
Human-in-the-Loop AI Evaluations
Access enterprise human-in-the-loop services with 500K+ vetted experts across 40+ specialized domains.
AI Red Teaming & Safety Testing
Conduct AI red teaming, bias audits, and vulnerability assessments before deployment.
Data Generation
Generate training data for AI and machine learning, including text, audio, image, and multimodal datasets.
Data Annotation Services
High-quality AI data annotation services for text, image, video, and audio labeling at enterprise scale.
AI Model Benchmarking & LLM Selection
Compare, score, and select models with AI model benchmarking frameworks and LLM evaluation metrics.
There’s no way around human input when it comes to making human-like machines. Welo Data proves that you can balance the cost of real human feedback without cutting corners on quality, delivery, or reliability.
AI Search Engine leader, 2024
See the Results
Trusted by global platforms, media ecosystems, and tech leaders here’s how Welo Data’s work shows up in real-world impact:
- Scaled multilingual QA across regions without losing fidelity — by managing local nuance and compliance in emerging markets.
- Elevated search & localization accuracy for a media ecosystem — improving relevance and user satisfaction across languages.
- Provided 24/7 secure coverage for a sports-app launch — fast ramp, strict data integrity, and global consistency.
- Strengthened content integrity through expert reviews — reducing harmful outputs and ensuring moderation alignment.
- Improved LLM reasoning with structured prompts & expert evaluation — boosting performance in challenging tasks.
- Enhanced alignment & relevance in user-facing models — promoting safer, more helpful responses in production.
- Deployed expert rater recruitment & quality control at scale — ensuring contributor trust and data reliability.
Ready to scale AI that works everywhere?
Your reputation depends on how your AI performs. We make sure it performs everywhere it matters—safely, fairly, and reliably.
Global Security Blind Spots: LLM Safety Failures in Low-Resource Languages
Welo Data’s latest research examines how large language model safety degrades beyond English. …
Better AI Through Better Data: Welo Data Partners with Databricks
Enterprises are deploying AI faster than ever, but they still…
Contact Us Today 
You have questions. We have answers. Contact us today to talk about your next project and discover what’s possible!
