Why Appen?

For over 20 years, Appen has worked with companies around the world to improve their speech and machine learning-based solutions by providing high-quality, human-annotated data. Our experience includes working in over 180 languages and dialects, allowing our clients to scale to new markets quickly and effectively.

Our data services


  • Field Testing

    Ensure a successful launch of your application or system by using local testers in the field

  • Linguistic Annotation

    Help train your machine learning model to better understand text so it can respond more accurately to human interaction.

  • Translation and Localization

    Traditional translation and machine translation services from language and data experts.

Additional resources


Woman on cell phone holding a pair of glasses

How GuildLink Uses Text-to-Speech Translation to Make Consumer Medicines Information More Accessible

GuildLink + Appen “Appen’s text-to-speech conversion has been pivotal in helping us provide more information in more ways and helping patients understand what they’re taking.” — Anna Paonne, Key Account and Business Development Manager, GuildLink The Situation It’s critical for patients to understand what medicine they’re taking and how to take it. Every prescription medication in Australia requires an accompanying Consumer …

How AI is Shifting Gears with Intelligent Automation | Appen Blog

How AI is Shifting Gears with Intelligent Automation

Artificial Intelligence (AI) is increasingly being adopted by industries around the world as organizations seek to uncover new efficiencies and capabilities. Adopters of AI are improving business processes and boosting their profitability while creating better experience for their customers and their employees through intelligent automation. AI systems are not just changing how we