Appen provides high-quality training data
to improve machine learning at scale

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  • Put AI to work for your business

    Create artificial intelligence solutions that work by using the right data.

    Find your industry

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  • Better data, better products

    Improve personalization and user experience for eCommerce, search, voice recognition, social and more.

    Improve your solution

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  • Training data for machine learning

    Annotation, collection, evaluation, transcription and translation of any data type or language.

    Explore our services


The Appen difference

Trusted by 8 out of the top 10 global technology companies


With a crowd of 1,000,000+ people in over 130 countries working in more than 180 languages and dialects, we help ramp up resources so our clients get the training data they need for machine learning and AI.


We’ve built a strong reputation as a provider of high-quality datasets that meet the specific needs of our clients and fuel their machine learning and artificial intelligence initiatives.


With over 20 years of experience working with global firms in multiple industries, Appen has a proven track record of providing the large datasets and quality of training data our clients need to succeed.

  • “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

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  • “The Appen team was a joy to work with. They demonstrated clear expertise in developing our training data and delivered it ahead of schedule and under budget.”
    Dr. Catriona Wallace, FlamingoAI CEO

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  • “The relationship we have with Appen makes all the difference to our success. The Appen team is a part of our team and is just as committed to quality as we are. It’s the type of dynamic you don’t find every day.”
    A leading search engine provider

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  • “Appen’s ability to prioritize and stay within the designated budget allows us to successfully deliver quality results within short deadlines. They’ve proven to be an invaluable resource.”
    Major international software provider

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  • “We had strict quality standards that needed to be implemented. This required close collaboration. The Appen team partnered with us to develop task guidelines and quality management plans. They quickly ramped the number of participants needed to meet daily and weekly data demands. Their effectiveness ensured the success of this project.”
    Global social network provider

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  • “We needed to offer consumers more personalization on our site. Partnering with Appen allowed us to collect high-quality training data for our machine learning model, which refined our algorithm much more quickly and consistently than we’ve been able to in the past.”
    Major international software provider

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Figure Eight An Appen Company Logo

Appen Completes Acquisition of Figure Eight and Achieves Critical Integration Milestone

Sydney — April 18, 2019 — Appen Limited, a global leader in the development of high-quality, human-annotated datasets for machine learning (ML) and artificial intelligence (AI), today announced it has completed the acquisition of Figure Eight, which occurred on April
Read more

Recent posts

Illustration of Financial Chart

Using AI to Transform the Banking Experience

At the FinovateSpring 2019 conference in San Francisco, AI was a hot topic. From financial institutions using AI to power everything from personalized customer experiences to underwriting, to fintech providers showcasing AI solutions, the technology was on everyone’s mind. In a panel titled “Which Artificial Intelligence Technologies Will Really Change Financial Services?”, we heard from experts who are harnessing this technology in …

iCASSP 2019 logo

Improving the Accuracy of Automatic Speech Recognition Models for Broadcast News

There is still a gap to close between human and machine performance, demonstrating a continued need for research on automatic transcription for broadcast news. Appen is ready to make your speech recognition project a success.

Bluetooth call controls on a car steering wheel

How a Top Automotive OEM Localizes Its In-Car Experience with Appen

The Situation With the proliferation of mobile devices, consumers expect to stay connected, no matter where they are — especially in their car. Voice recognition in cars, however, continues to be the leading complaint among new vehicle owners. Global automotive manufacturers recognize the demand for better connectivity but face added complexities associated with localizing in-car systems for multiple languages. Data …

Appen at a glance

  • Appen_130 plus countries

    Experience working in
    130+ countries
  • Appen_180 plus languages

    Expertise in 180+ languages
    Get the full list
  • Appen_20 years plus experience

    20+ years working with leading global technology companies
  • Appen curated crowd

    Access to a curated crowd
    of over 1,000,000
    flexible workers worldwide
  • Appen_3 billion judgments

    More than 3 billion
    judgments made and 500,000 hours of audio processed
  • Appen_full time employees

    Over 500 employees
    located in nine offices
    around the globe

Find jobs. Get help with your application. Learn about working with Appen.

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

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Flexible Workers

Appen offers flexible, work from home opportunities in more than 100 countries. Learn more about current opportunities.