QuartileQuartile, the world's largest retail media optimization platform, is a trusted partner for multichannel e-commerce success. Through patented AI technology and unmatched expertise, we fuel growth for 5,300+ brands and sellers worldwide and manage an annual ad spend exceeding $2 billion. The award-winning platform covers major marketplaces and ad channels for optimal reach. The result is unprecedented granularity, smarter budgeting, and bespoke solutions for retailers. Visit quartile.com to learn how to boost efficiency, outperform competitors, and achieve profitability.
Quartile (quartile.com) has 565 customer reviews on Five Star Index, with an average rating of 4.6 out of 5.
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Sean C.
These guys are masters at their craft, Fabio has been great with communication and most of my advertising metrics have gone up since working with them
Response from QuartileMar 9, 2026
Thank you for the great feedback, Sean. We’re glad to hear your advertising metrics have improved and that Fabio’s communication and support have made a positive impact. We truly appreciate your trust and look forward to continuing to build on these results together.
lihi
We had a good experience working with Quartile. Bruno manages our Amazon accounts and is very responsive and easy to work with. He keeps a close eye on performance and regularly suggests improvements. We are happy with the results! Communication is always clear and quick, and overall the support has been very solid.
Response from QuartileMar 9, 2026
Thank you for the thoughtful review. We’re glad to hear you’ve had a positive experience and that Bruno’s responsiveness, and proactive approach have made a difference in your Amazon performance. We appreciate your partnership and look forward to continued success together.
Andy
Gustavo was fantastic, very proactive and wanted to learn my business to ensure that the set up maximized the utility. Very happy!
Response from QuartileMar 9, 2026
Thank you for the great feedback, Andy. We’re glad to hear Gustavo took the time to understand your business and ensured the setup was aligned to maximize results. We appreciate your trust and look forward to continuing to support your success.
Angel
I'd like to acknowledge Quartile and very specifically, Alexandre, who has helped navigate and stabilize our AMZ marketing efforts with PPC and DSP the past year.
Response from QuartileMar 9, 2026
Thank you for the kind recognition, Angel. We’re glad to hear Alexandre has helped bring stability and clarity to your Amazon efforts over the past year. We truly appreciate your partnership and look forward to continuing to support your growth.
Jesse
Exceed my expectations for our Amazon account. More than doubled our average sales using the same ad spend as our previous advert management firm.
Response from QuartileMar 17, 2026
Thank you for the great feedback, Jesse. We’re thrilled to hear we’ve exceeded your expectations. We truly appreciate your trust and look forward to continuing to build on these results together.
Ethan
I've been working with Quartile for years. They make running our Amazon Ads simple and easy. Alexandre listens to our needs, makes suggestions, and works with me to crush our goals. Our Amazon ads are the most optimized they have ever been.
Response from QuartileMar 9, 2026
Thank you for your continued partnership over the years, Ethan. We’re glad to hear that Alexandre’s collaborative approach and strategic guidance have helped make Amazon Ads simpler and more effective for you. We look forward to continuing to help you reach your goals.
Emily B.
We’ve had a great experience working with Quartile for our Amazon advertising! The results truly speak for themselves. Alexandre, our strategy manager, is incredibly knowledgeable and proactive, always bringing clear insights and strong recommendations to help us get the best performance. Highly recommend their team.
Response from QuartileMar 9, 2026
Thank you for the great feedback, Emily. We’re thrilled to hear the results are speaking for themselves and that Alexandre’s proactive approach has made a meaningful impact. We appreciate your recommendation and look forward to continuing to drive strong performance for your Amazon advertising.
Rachel
Eric was fantastic. Smart, responsive, organized and delivered a great result for us
Response from QuartileMar 9, 2026
Thank you for the wonderful review, Rachel. We’re so glad to hear Eric made such a strong impression and delivered great results for you. We’ll be sure to share your kind words with him and look forward to continuing to support your success.
