Kopp Verlag e.K. is a German media company founded in 1993, operating as a publisher, mail-order bookseller, and e-commerce retailer based in Rottenburg am Neckar. The company, which employs over 170 people, offers a wide range of books and media, including publications on right-wing esotericism, populism, pseudoscience, and conspiracy theories. Additionally, it provides wellness, outdoor equipment, and self-defense products, and manages product brands like Kopp Vital and Kopp Naturkosmetik. It is considered one of the top addresses in the German-speaking region for its offerings.