The largest commercial provider of ebooks, audiobooks, and other digital content such as streaming videos in the world, a 2023 report estimated its market share as perhaps being upwards of 90%.
This company notably powers the Libby app for borrowing books.
The headquarters is located in Cleveland, Ohio, United States.
Are there any European alternatives available?
https://libro.fm/story https://weightlessbooks.com/ https://www.smashwords.com/