Why Appen?

With over 20 years in the industry, Appen has worked with technology leaders to provide the high-quality data needed to improve their solutions. With access to an experienced crowd of over 1 million people worldwide, and a team of experienced project managers, we can quickly scale to meet your needs.

Our data services


  • Consultative Services

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

  • Linguistic Annotation

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

  • Semantic Annotation

    Improve product listings and on site search with semantic annotation.

  • Speech Data Collection

    Use our curated global crowd to collect high quality speech data in over 180 languages and dialects.

  • Text Data Collection

    Collect millions of high quality data samples to ensure your solution meets the needs of your customers worldwide.

Additional resources


Appen Local Search Results Case Study

Accurate Local Listings Improve UX

When a search engine provider needed to keep up with business listing demand, it turned to Appen to ensure accuracy.

Improving Natural Language Recognition for Leading Social Media Firm Case Study

Data Improves Social Media NLP Model

A leading social media company needed large amounts of data to improve machine learning. Appen helped them secure the data needed to enhance the model. Read more.

Data protection for video evidence

Data Protection for Video Evidence

Body Worn Cameras and the video evidence they provide has been a game changer, and data protection is key to pushing it even further.

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