[5] Lesara was founded in 2013 by CEO Roman Kirsch, COO Matthias Wilrich, and CTO Robin Müller.

[10] The company used data acquired from Google, social media, and blog posts, then analyzed it to identify current trends.

[11] In 2015, Lesara GmbH initiated a legal action against Daniel Brückner, but the case was dismissed by the Landgericht Köln (Regional Court, Cologne) in 2016.

[12][13] In September 2016, Beobachter reported about alleged illegal crossed-out prices in Switzerland, citing Guido Sutter, chief legal adviser of Federal Department of Economic Affairs, Education and Research (SECO) in Switzerland.

[14] In early 2018, Manager magazin reported that Lesara inflated revenue figures by not accounting for returns.