# Appen Ltd
> Appen Ltd is an Australian technology company that provides data for the lifecycle of artificial intelligence and machine learning models. The company specializes in collecting and labeling data across various formats, including audio, text, image, and video, to help organizations build and improve AI systems. Operating with a global crowd of over 1 million workers, it serves major technology firms and government agencies.
- URL: https://optimly.ai/brand/appen-ltd
- Slug: appen-ltd
- BAI Score: 88/100
- Archetype: Challenger
- Category: Artificial Intelligence Services
- Last Analyzed: April 11, 2026
## Competitors
- Cloudfactory (https://optimly.ai/brand/cloudfactory)
- Scale AI (https://optimly.ai/brand/scale-ai)
- Snorkel Ai (https://optimly.ai/brand/snorkel-ai)
## Buyer Intent Signals
Problems: Manual In-house Crowdsourcing: Hiring temporary workers or contractors via platforms like Upwork or Mechanical Turk to manually label data. | Specialized AI Agencies: Hiring specialized data science consultancies to manage the data preparation pipeline. | Do Nothing / Raw Data Training: Training models on uncurated, 'noisy' public datasets and hoping for sufficient accuracy.
Solutions: AI training data companies | data labeling services for machine learning | RLHF providers for LLMs | human in the loop AI services | Open Source Tooling: Using open-source labeling tools like Label Studio or CVAT with internal engineering teams.
Comparisons: best alternatives to Scale AI