Data with a human touch

High-quality data for machine learning, enhanced by human interaction

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The Appen difference

Trusted by 8 out of the top 10 global technology companies


Our skilled project managers use multiple quality control methods and mechanisms to meet and exceed quality standards for training data. Quality assurance is built into both the platform and processes at Appen.


With a crowd of over 1 million skilled contractors operating in 130+ countries and 180+ languages and dialects, Appen can collect and label high volumes of image, text, speech, audio, and video data used to build and improve artificial intelligence systems.


Our platform and solutions are purpose-built to handle large-scale data collection and annotation projects, on demand. With deep expertise planning and recruiting to meet a variety of uses cases for our clients, we can quickly ramp up new projects in new markets.


Appen provides multiple secure service offerings, including secure remote contractors, on-site contractors, on-premise solutions, and ISO 27001 / ISO 9001 accredited secure facilities.

Appen at a glance

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    Experience working in
    130+ countries
  • Appen_Industries_Chatbot
    Expertise in
    180+ languages
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  • Appen_Industries_Chatbot
    Over 600 employees located in nine offices around the globe
  • Appen_Industries_Chatbot
    Access to a curated crowd
    of over 1 million flexible contractors worldwide
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    More than 3 billion
    judgments made and 500,000 hours of audio processed
  • Appen_Industries_Chatbot
    20+ years working
    with leading global
    technology companies
  • 2019
  • Top 100 Language Service Providers

    CSA Research
  • 2020
  • #1 Company to Watch 2020

  • 2019
  • People’s Choice Award

    Speech Technology Magazine
  • 2019
  • The Donor Award

    Translators Without Borders
  • 2019
  • Technology Fast 500 APAC Winner

  • 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
  • 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
  • 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
  • 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
  • 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
  • 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

The Appen Blog

Get the latest news and insights by visiting the Appen Blog


Appen Launches Secure Workspace Solution

Scales Artificial Intelligence (AI) Programs While Maintaining Security of Sensitive Data SYDNEY — Dec. 10, 2019 — Appen Limited, the leading provider of high-quality training data for organizations that build effective AI systems at scale, announced today the Appen Secure Workspace Solution, which provides the right combination of technology, people, and processes to ensure that projects containing sensitive data can …


Appen's Off-the-shelf Training Data Sets

How Off-the-shelf Training Data Sets Can Save Your ML Teams Time and Money Natural language processing (NLP) has become a crucial technology for driving many AI-based innovations. For sentiment analysis, development of virtual assistants, and many other applications, effective use of NLP can mean the difference between creating a successful product that performs accurately and one that does not. As …


Top 6 Trends for AI Initiatives Going into 2020

2020 Predictions in Artificial Intelligence to Consider When Operationalizing AI Developments With 2019 hardly fading in the rear-view mirror, it’s a good time to take a step back and see what’s in store for the next 12 months. For those managing and implementing AI and ML projects and deployments, it’s been a rapidly evolving ecosystem, and 2020 will be no …


Appen Recognized in Deloitte’s Technology Fast Awards

Appen Celebrates its Sixth Year of Representation in the Deloitte Technology Fast 50 Australia Awards After an exciting year of growth, Appen has been recognized for the sixth time in the Deloitte Technology Fast 50 Australia Awards. This year marks the second year that Appen has received recognition in the leadership category. The Leadership category recognizes technology companies who have …


AI in E-commerce

AI in E-commerce and the New Era of Personalization As society chases convenience and turns increasingly to online shopping over the traditional brick and mortar retail model, online retailers have had to evolve in how they interact with customers. The idea of a personalized shopping experience for each customer has been around forever, but we’re in a new era of …


AI at Finovate

Traditionally, FinTech companies have been early adopters of new technologies enabling them to maintain their differentiation. Thanks to this, AI and FinTech are a natural match – especially as AI edges into the mainstream of enterprise software. At Appen, we are always looking for product-market fit when it comes to machine learning and data annotation solutions. To find out whether …


AI in Banking Operations

At Appen, we provide high-quality training data for machine learning and artificial intelligence. Follow us to stay up to date on industry trends. In this edition of our roundup, news on: applications of AI and machine learning in banking. Check back for regular news roundups and subscribe to our YouTube channel for video updates. Machine Learning in Finance: How are …


AI in Police Work

At Appen, we provide high-quality training data for machine learning and artificial intelligence. Follow us to stay up to date on industry trends. In this edition of our roundup, news on AI in police work. Check back for regular news roundups and subscribe to our YouTube channel for video updates. Can AI Help Police Officers Solve Crimes? Law enforcement is …


A Driverless Future Will Impact All of Us

In all cases, a driverless future is coming … the question that remains is when. 


Trends in the Zettabyte Era

Without a well-defined strategy for collecting and structuring the data you need to train, test, and tune your AI systems, you run the risk of delayed projects, not being able to scale appropriately, and ultimately, competitors outpacing you.


Appen Announces Crowd Code of Ethics

The initiative reflects the importance of the Crowd’s well-being in creating the data for AI systems and applications that people worldwide increasingly use and depend on every day.


What Does Interoperability Mean for the Future of Machine Learning?

For years, interoperability — the ability for two systems to communicate effectively — has been an important aspect of our increasingly digitalized world. For banking, healthcare, and other everyday industries, we’ve come to expect that the platforms we use to exchange information can communicate seamlessly whenever we need them to. Because we all have hundreds of thousands of data points …


The Future of Artificial Intelligence in Healthcare

Expect to see dramatic changes in both patient health outcomes and in the operational efficiency of hospitals. 


The Latest Innovations in Artificial Intelligence

What are some of the most recent developments in AI? With so many emerging applications for artificial intelligence making a splash across a wide range of industries, it can be difficult to keep up. This post will touch on some cool advances made in 2019 and look at what’s on the horizon. AI takes a deep dive Robotics is a …


AI Trends Disrupting Business

Organizations should have a reliable source of clean data to extract from and work with.


Common Sense AI: Making Deep Learning Technologies More Human

Whether through devices we use to enable convenience at home or in the way products we use all the time are manufactured, AI’s impact is everywhere, driving innovation in just about every aspect of our lives. But there are missing pieces to this puzzle that still cause frustration for end-users and present significant challenges for researchers trying to improve how AI technology performs.


O’Reilly San Jose: Creating Autonomy for Social Robots

This year’s O’Reilly AI conference in San Jose, CA delivered the usual mix of exciting presentations and dynamic discussions, as well as a healthy dose of industry networking. Appen is proud to have been given the opportunity to share some recent research at the conference that promises to improve the way robots interact with people. In their presentation Creating Autonomy …


Creating Chatbots and Virtual Assistants

Chatbots and their more sophisticated counterparts, virtual assistants, have emerged as a key tool to streamline customer service operations for organizations in a wide range of industries, and to help reduce costs.


Appen Fall 2019 Conference Rundown

Appen’s team of machine learning experts is excited to connect with you this fall. We’ll be exhibiting at industry conferences all over the world in the next few months and would love the opportunity to demonstrate how our high-quality training data can take your organization’s machine learning programs to the next level. Click here to schedule a meeting with the …


Appen Platform Unveils Feature Enhancements

Humans and Technology Working Together Enable Better AI Results SYDNEY — Aug. 20, 2019 — Appen Limited, the leading provider of datasets used by companies and governments to train AI systems quickly and at scale, today introduced feature updates for its AI training data solution designed to accelerate customers’ artificial intelligence initiatives. The Appen platform – already the most comprehensive …