In today's increasingly digital world, retail media has emerged as a cornerstone of modern advertising. Retail media refers to ads placed on a retailer’s media network, purchased by brands, and displayed across various digital channels such as websites, mobile apps, and even physical stores. This advertising method leverages first-party data collected by retailers, offering significant strategic advantages for brands.
Consumer Engagement and Brand Visibility
Retail media helps brands reach consumers in spaces where they are already spending their time. Acting like a “digital shelf,” these ads increase brand visibility much like in-store specials and promotions do. By being integrated into the shopping experience, these ads can feel more relevant to consumers, making them more likely to engage and convert.
The Value of First-Party Insights
One of the most valuable aspects of retail media is the access to first-party data. When consumers engage with ads or purchase products online, brands gain insights into shopping patterns and behaviors. These insights are instrumental in understanding audience behavior, enabling brands to tailor products and messaging effectively. As the advertising industry evolves, first-party data is becoming increasingly crucial for making informed media buying decisions and implementing strategic campaigns.
Importance of First-Party Data
The evolution of digital advertising has made first-party data indispensable. Brands can utilize these insights to plan and execute more effective campaigns. According to 2021 research by eMarketer, consumer packaged goods (CPG) brands are particularly drawn to retail media networks for the rich first-party information they provide.

Investment Trends
The value of retail media is not lost on non-CPG advertisers. McKinsey research indicates that 75% of these advertisers plan to increase their investment in retail media networks. This trend underscores the universal appeal of data-driven, targeted advertising.
Leading Retail Media Networks
Amazon remains a dominant player with around 75% of the market share in retail media ad revenue. However, other retailers are quickly expanding their own networks. Walmart, for instance, ranks second and has increased its reach through partnerships with platforms like TikTok, Snap, and Roku. Instacart leverages its position in grocery delivery to offer specialized advertising capabilities, while eBay continues to bolster its ad network through technological innovations.
| Retailer | Market Share | Key Partners | Special Features |
|---|---|---|---|
| Amazon | 75% | N/A | Dominant market player |
| Walmart | Second place | TikTok, Snap, Roku | Expanding reach through partnerships |
| Instacart | N/A | N/A | Specialized in grocery delivery advertisements |
| eBay | N/A | N/A | Technological innovations in ad network |
| Kroger | N/A | N/A | Wealth of first-party data |
| Albertsons Companies | N/A | N/A | Access to consumer insights |
Additional Noteworthy Networks
Other significant players in the retail media space include Kroger and Albertsons Companies. These retailers offer advertisers access to a wealth of first-party data and consumer insights, providing opportunities to connect with highly targeted audiences.

Insights for Advertisers
Understanding the potential of retail media networks can maximize eCommerce opportunities. As retailers form partnerships with social media and streaming platforms, the advertising landscape will continue to diversify, offering even broader media touchpoints for brands.
Types of Retail Media Ads
Retail media encompasses both "on-site" ads, which appear directly on the retailer’s platform, and "off-site" ads that utilize retailer data but are served on third-party channels. Additionally, "in-store" ads offer unique opportunities for engagement within physical retail environments.
Industry Growth and Performance
Retail media is a rapidly growing sector. Global retail media revenue reached $101 billion in 2022, with U.S. revenue projected to hit $106 billion by 2027. This growth is driven by increased eCommerce spending and the expansion of retail media inventory.

Future Outlook
The landscape of retail media networks is dynamic and ever-evolving. As more brands and retailers recognize its potential, expect to see continued innovation in ad formats and channels. With the rise in eCommerce, ongoing investments in retail media will likely lead to further advancements and opportunities in digital advertising.
