Why Appen?

Our project managers are passionate about the data analytics space and love to partner with solution providers to tackle the challenges of developing, tuning and evaluating the solutions, including the underlying linguistic components. We will work with you to find smart solutions for accelerating the expansion of your technology into new markets and domains. With over 20 years in the industry, Appen has worked with technology leaders to provide the high-quality data needed to improve their solutions.

Our data services


  • Crowdsourcing

    With Appen's skilled global crowd, you can quickly and cost-effectively scale your program to better meet customer needs.

  • Consultative Services

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

  • Language Technology QA

    Develop top notch language-based solutions with language quality assurance services.

  • Lexicons and Word Lists

    Use custom lexicons and word lists to ensure the accuracy of your speech and text-based systems.

  • Linguistic Annotation

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

  • Linguistic Consulting

    Ensure your solutions meet the needs of customers worldwide with the help of expert linguists.

  • Linguistic Rule Development

    Create rules or grammars in multiple languages to improve the accuracy of your language technology solutions.

  • 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.

  • Translation and Localization

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

Additional resources


What is annotated data_training data for AI

Why Human-Annotated Data is Key to Machine Learning: 3 Use Cases

Are you trying to understand what is annotated data? Do you want to improve the quality of your training data for AI ? Human-annotated data is the key to successful machine learning – humans are simply better than computers at managing subjectivity, understanding intent, and coping with ambiguity. For over 20 years, we’ve been helping clients optimize their machine learning …

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.

Securing resources to improve relevance score of news items in social news feed

Delivering Personalization to a Global Market [Case Study]

Consumers want more relevant content. Appen helped a company improve the personalization of its news feed and deliver to their global user base.

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