Appen Limited, together with its subsidiaries, provides data solutions and services for machine learning and artificial intelligence applications for technology companies, auto manufacturers, and government agencies in Australia, the United States, and internationally. It operates through two divisions, Relevance and Speech and Image. The Relevance division offers annotated data used in search technology embedded in Web, e-commerce, and social engagement for enhancing relevance and accuracy of search engines, social media applications, and e-commerce. The Speech and Image division provides annotated speech, natural language, and image data used in speech and image recognizers, machine translation, speech synthesizers, and other machine-learning technologies. The company was formerly known as Appen Holdings Pty Limited and changed its name to Appen Limited in October 2014. Appen Limited was founded in 1996 and is headquartered in Chatswood, Australia.