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We offer the most diverse, scalable training data labeling and collection options across data types and languages

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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

  • Appen_Industries_Chatbot
    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
  • Appen_Industries_Chatbot
    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


The Future of Work: Embracing Work from Home

Work from Home Options Help Ease Global Impact Since 2010, remote work has increased by 91%. In today’s world, though, working from home is becoming less of an option and more of a requirement. Fortunately, there are many industries that enable people to do that – like customer service, design, software development, online tutoring, and data annotation. Many of these …


How Artificial Intelligence Will Reshape the Auto Industry in an Experience-first World

Consumer-Experience AI for Automotive  Artificial intelligence’s impact continues to expand rapidly across all major industries, with companies around the globe investing heavily in AI technologies to advance their competitive edge. Future trends suggest that without adopting an AI strategy now, organizations are likely to fall far behind their competitors. When implemented correctly, AI and machine learning (ML) will deliver wide-sweeping …


COVID-19 Update for Our Customers, Partners, Employees, and Crowd

I hope that you, your families, friends and colleagues are all safe and well. Like all businesses, we are responding to the rapidly changing situation of the COVID-19 pandemic with the interests of our staff, our global crowd of skilled contractors and our customers as our primary concerns. Appen is a people-first business. From day one, concern for the wellbeing …


AI Training Data for Smart Cars that Work for Everyone

When Building World-Class AI for Autonomous Vehicles, a Partner Like Appen Gets Your Team There Faster, With Data You Can Rely On There is an enormous business opportunity with the rise of autonomous vehicles and the connected car. Already, we have seen significant investment in self-driving technology and, with everyone racing to reap benefits including fewer road accidents, Mobility-as-a-Service (MaaS), …


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 …


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 …


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.