Allegro.eu S.A. operates a commerce platform for consumers in Poland, Czech Republic, Slovakia, Hungary, and internationally. It operates through Allegro, Ceneo, Allegro International, and Other segments. The company engages in operating B2C, C2C, and B2B e-commerce platforms comprising online marketplace; and various services, such as consumer lending and logistics services. It also provides multi-category price comparison services allowing the customer to find prices among the different websites and marketplaces. In addition, it operates eBilet, an event ticket sales site. Further, the company operates Allegro. pl, an online marketplace; Ceneo.pl, a price comparison platform. Additionally, the company engages in online marketplace; retail sale via the Internet; advertising; logistic services; online price comparison services; consumer lending to marketplace buyers; online tickets distribution; software and solutions for delivery logistics; and provides payment services to partners. The company 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.