H1.cz is a leading online and performance marketing consulting company in the Czech Republic that has been operating since 2005. It is focused on B2C and B2B marketing for local and international clients. H1.cz is part of the Ataxo Group, employs over 200 people, and manages around 3,000 online marketing campaigns at a time across more than 10 languages for approximately 6,000 customers. The company aims to deliver high quality and innovative digital marketing services with a focus on positive return on investment and effectiveness.