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 secure facilities allow for the handling of all types of sensitive data sets, ensuring the privacy of your customer data.

Our data services


  • Consultative Services

    We work closely with your team to develop a customized program that addresses your unique business challenges.

  • Image and Video Data Collection

    Collect large volumes of high-quality data samples to ensure your solution can accurately recognize images and video.

Additional resources


AI Requires a Human Touch_Appen Crowdsourcing_Crowd Sourced Data

AI Requires a Human Touch: How Appen Recruits Crowds to Improve Technology

Kerri Reynolds, Sr. VP of Human Resources and Crowdsourcing, shares insights into crowdsourcing and crowd recruiting.

Supporting the Artificial Intelligence Market in China: Appen Office in Bejing

Supporting the Artificial Intelligence Market in China: Appen Office in Bejing

Appen’s newly opened office in Beijing will help build a presence within the Chinese technology market and further develop local capability.

How to improve speech recognition accuracy

When Speech Recognition Goes Wrong

Even the best speech recognition isn’t 100% accurate. And when things go wrong, the errors can be glaring, if not occasionally entertaining.

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Improve your training data

Scale your machine learning with high-quality training data. Talk with one of our experts today.


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