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

  • Put AI to work for your business

    Make your AI initiative a success with the right data.

    Find your industry

  • Better data, better products

    Create better solutions for eCommerce, Search, Speech and more.

    Improve your solution

  • Get enhanced training data for machine learning

    Services that meet your needs across a variety of data types.

    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 our clients quickly ramp up their teams so they can respond to ever changing customer needs.


We’ve built a strong reputation providing high-quality data that is tailored to the specific needs of our clients to fuel their machine learning and artificial intelligence initiatives.


With over 20 years of experience working with global firms in various industries, we have a proven track record of solving a wide variety of data challenges.

  • “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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Appen to Acquire Leapforce

Appen to Acquire Leapforce

Appen Limited (ASX:APX) today announced it has signed a definitive agreement to acquire Leapforce Inc.
Read more

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Appen at a glance

  • Experience working in
    130+ countries
  • Expertise in 180+ languages
    Get the full list
  • 20+ years working with leading global technology companies
  • Access to a curated crowd
    of over 1,000,000
    flexible workers worldwide
  • Over 3 billion
    judgments made and 500,000 hours of audio processed
  • Over 330 employees
    located in six offices
    around the globe

Start improving your data today

Let’s discuss your specific business challenges, and how we can help with our high-quality data. Tell us what you need and we’ll design a customized approach for you.

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Appen is part of a growing and exciting market. Visit our investor center to access our latest reports and presentations and to learn more about our company.

Flexible Workers

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