Allegro.eu S.A. operates a commerce platform for consumers in Poland, the Czech Republic, Slovakia, Hungary, and internationally. It operates through Allegro, Ceneo, Allegro International, and Other segments, providing B2C, C2C, and B2B e-commerce platforms, consumer lending, logistics, and multi-category price comparison services. The company also operates eBilet, an event ticket sales site, and Allegro.pl, an online marketplace, as well as Ceneo.pl, a price comparison platform. It was formerly known as Adinan Super Topco S.a r.l. and changed its name to Allegro.eu S.A. in August 2020. The company was incorporated in 2017 and is based in Luxembourg, Luxembourg.