Case Study: Harpex validates U.S. Amazon market entry with Quartile

How Harpex Pellets Validated U.S. Market Entry on Amazon

Harpex Pellets, a family-owned Brazilian manufacturer of air gun pellets, wanted to validate demand and scale its Amazon entry in the U.S. market. Although the brand had experience advertising on Amazon in Brazil, its U.S. launch faced tougher competition and initially relied mainly on limited-budget Sponsored Products automatic campaigns without a manual structure to build keyword relevance or drive growth.

Quartile implemented a structured Amazon Advertising approach, starting with a full account review and then building a mix of automatic and manual Sponsored Products campaigns based on early search-term performance. With Quartile’s optimization and automation, Harpex Pellets increased average daily sales by 540% and improved ACOS by 40%, validating U.S. market viability and giving the brand confidence to increase inventory and production investment.

Harpex