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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Moore B.
Gustavo continues to grow my sales and is good and giving continued feedback on optimization when I require it. I hope to continue to grow my business even further with Quartile.
Response from QuartileNov 24, 2025
Thank you for the 5-star review! We’re thrilled to hear that Gustavo’s support and ongoing optimization insights are helping drive your sales. We appreciate your partnership and look forward to continuing to grow your business together!
Nathan
Quartile has been great to work with. Eric, our account rep, made the onboarding process smooth and straightforward. He took the time to explain everything clearly and helped us get our account set up quickly. Excellent support and a very positive experience overall.
Response from QuartileNov 24, 2025
Thank you for the 5-star review, Nathan! We’re glad to hear your experience has been so positive and that Eric made onboarding smooth. We appreciate your trust in our team and are excited to continue supporting your growth!
Wayne S.
Working with Quartile has been a very positive experience for us at UnderX. Marina, who managed our Amazon and Walmart programs, has been excellent from day one. She is organized, responsive and always made sure we understood the strategy and performance. Her attention to detail and follow-through made a real difference. Luciano has also done a great job on the Walmart side, especially with the day-to-day management and troubleshooting. Both of them were reliable partners and easy to work with throughout the entire process. Quartile helped us improve our structure and visibility across both platforms, and their team stayed engaged and supportive until the very end. I appreciate the professionalism, communication and genuine care they brought to the account. Thanks to Marina and Luciano for all their hard work. Cheers, Wayne Springate UnderX
Response from QuartileNov 24, 2025
Wayne, thank you for the wonderful 5-star review! We’re thrilled to hear that working with Marina and Luciano has been such a positive experience. We appreciate your kind words and the trust you placed in our team—thank you for being a great partner!
Zorr C.
Great team work and nice people
Response from QuartileNov 17, 2025
Thank you for the 5-star review! It’s great to know the collaboration and support are resonating with you. We appreciate your feedback and look forward to continuing the partnership!
Mushroom H.
Our experience with Quartile has been excellent. Eric was fantastic from onboarding to account and campaign setup. We have met our goals and continue to see improvement. We look forward to discovering even more potential. Highly recommended!
Response from QuartileNov 17, 2025
Thank you so much for the amazing review! We’re thrilled to hear your experience with Quartile has been excellent. It’s great to know Eric made onboarding and setup smooth and that you’re already meeting goals and seeing continued improvement. Thanks again for the recommendation!
Grant A.
Great platfrom
Response from QuartileNov 10, 2025
Thank you, Grant! We’re glad to hear you’re enjoying the platform and appreciate you taking the time to share your feedback.
Cheryl R.
This team is super professional and easy to work with on all platforms. Great communication and easily accessible for any questions!
Response from QuartileNov 6, 2025
Thank you, Cheryl! We’re so glad to hear you’ve had such a positive experience with our team. We appreciate your partnership and look forward to continuing to support your success!
Melanie J.
Our implementation phase has gone smoothly and we appreciate all the insights our Account Manager, Eric, provided. He dove into our products and their individual analytics to suggest some improvements we could make to help increase sales. He communicated quickly and effectively to get our account live. We are excited for the next phase of working with Quartile and have confidence in their tools and technology.
Response from QuartileOct 29, 2025
Thank you, Melanie! We’re thrilled to hear your implementation went smoothly and that Eric’s insights have already been valuable to your strategy. It’s great knowing his proactive communication and attention to detail helped get your account off to a strong start. We’re excited to continue working together and supporting your growth in the next phase with Quartile!
