A retail media network is a retailer's advertising business - selling ad placements across their website, app, and in-store screens to brands. The key ingredient is first-party shopper data from loyalty programs, which lets brands target actual buyers instead of guessing. US retail media ad spending is projected to surpass $100 billion by 2026, making it the fastest-growing major ad channel.
Everyone in retail is talking about retail media networks right now. And I mean everyone. Vendors are pitching them, trade publications will not stop writing about them, and brands are pouring money into them at a pace that is frankly hard to keep up with.
A retail media network is, at its core, a retailer selling ad space to brands. That is it. The "network" part means you have built the infrastructure to do it systematically, at scale, with data, measurement, and repeatable results.
The exciting part is that modern technology has made this accessible to retailers well beyond the Amazon and Walmart tier. The less exciting part is that most smaller retailers who try it underestimate what it actually takes to do it well.
I have helped retailers evaluate and build these programs. Here is what I actually know about how they work.
What Is a Retail Media Network?
A retail media network is a retailer's advertising business. They sell ad placements across their owned properties: website, app, in-store screens, and sometimes offsite inventory. The buyer is usually a brand that sells products through that retailer.
The key ingredient is data. Retailers with loyalty programs know what their customers buy, how often, and in what categories. That is what separates retail media from standard display advertising. Instead of targeting by demographic proxy, you can target shoppers who actually buy your category. Or shoppers who currently buy a competitor's product. That is a real difference.
The Four Core Formats
Sponsored Search & Product Listings
Paid placements in the retailer's search results. High intent, close to purchase, and the most battle-tested retail media format.
On-Site Display & Video
Banner and video placements across the retailer's website and app, reaching shoppers while they browse.
In-Store Digital Media
Ads on screens inside physical locations. Checkout lanes, end caps, entrance displays, cart screens. You are there when the decision is being made. See how retail digital signage works in practice.
Offsite Retail Media
Ads across external channels (open web, connected TV, social) targeted using the retailer's first-party shopper data. Broader reach, same audience precision.
Why Retail Media Has Grown So Fast
Three factors are driving the growth:
Brands got tired of guessing. A decade of digital advertising produced great-looking dashboards and very murky sales attribution. Retail media offers something better: the retailer can show whether someone who saw your ad actually bought your product. That is a different conversation entirely.
Cookies fell apart. Third-party tracking became less reliable under privacy regulation and browser changes. Retailers sitting on years of loyalty and transaction data suddenly had something advertisers needed badly. First-party data became the most valuable thing in the room.
Retailers needed new revenue. Retail margins are thin. An ad business layered on top of existing infrastructure costs almost nothing to run relative to what it generates. The big retailers built serious media businesses. Everyone else followed.
The Major Retail Media Networks
| Network | Retailer | Primary Strength |
|---|---|---|
| Amazon Ads | Amazon | Scale and purchase intent. The default starting point for most CPG brands. |
| Walmart Connect | Walmart | Omnichannel reach: online and 4,700+ physical stores with in-store screens. |
| Target Roundel | Target | Strong on audience quality, lifestyle data, and high-income shopper profiles. |
| Kroger Precision Marketing | Kroger | Deep loyalty data from 60+ million households. Strong for food and CPG. |
| Home Depot Retail Media+ | Home Depot | Dominant in home improvement. High-value purchase category. |
| Instacart Ads | Instacart | Grocery delivery intent. Strong for food, household, and personal care brands. |
| CVS Media Exchange | CVS | Health and wellness focus. Strong for pharma, OTC, and personal care brands. |
Regional networks operated by grocery chains and specialty retailers are an emerging category. They lack the scale of the majors but offer category depth, local market knowledge, and measurably less competition for share of voice.
Retail Media vs. Traditional Digital Advertising
| Factor | Retail Media | Traditional Digital |
|---|---|---|
| Targeting basis | Actual purchase history and shopper behavior | Inferred demographics |
| Purchase proximity | At or near the point of decision | Disconnected from buying moment |
| Attribution | Closed-loop: measures actual sales impact | Clicks, impressions, proxy metrics |
| Data ownership | Retailer owns the data. Brands access it but do not take it. | Platform-dependent, often aggregated |
| Creative environment | Shoppers already in a buying mindset | Competing for attention among distractions |
| Competition | Category-level bidding against direct competitors | Broad auction across all advertisers |
| Measurement quality | Varies significantly by network | Standardized but often surface-level |
What Brands Actually Get Out of Retail Media
Closed-Loop Attribution
This is the headline benefit. Retail media lets you connect ad exposure to actual product sales inside the same data environment. A shopper sees your listing on a grocery app. Three days later they buy your product. The retailer's data captures that. No other channel does this natively at this level.
The good networks use proper incrementality studies with randomized control groups. The less good ones show you correlation and call it causation. Before you commit budget, ask exactly how they measure and what the methodology is.
First-Party Audience Targeting
Retailers with active loyalty programs know their shoppers better than most brands know their own customers. That means audience segments you cannot get anywhere else: people who buy your category but have never tried your brand, lapsed buyers, households that buy your product alongside a complementary one.
These segments live inside the retailer's environment. You can use them while you spend. You do not get to take them home.
In-Store Digital Media
Most brands underestimate this one. Screens in checkout lanes, end caps, and high-traffic aisles reach shoppers at peak purchase intent. The product is physically in front of them. Sales lift from in-store digital consistently beats equivalent offsite placements for immediate purchase influence.
The limitation is execution quality. The network is only as good as the retailer's screen infrastructure and content management. Stale or poorly formatted creative undermines the format entirely.
What Retail Media Advertising Costs
| Format | Typical Cost Range |
|---|---|
| Sponsored product listings (CPC) | $0.50 - $3.00 per click, variable by category |
| On-site display (CPM) | $8 - $25 CPM depending on targeting depth |
| In-store digital screens (CPM) | $10 - $40 CPM depending on placement and traffic |
| Offsite retail media (CPM) | $6 - $20 CPM, variable by channel and segment |
| Programmatic guaranteed (in-store) | $15 - $50 CPM for premium placements |
Major networks typically require minimum commitments of $5,000 to $50,000+ depending on the program. Regional networks are more accessible. Some will work with initial campaigns starting at $2,500 to $5,000, which makes them a reasonable place to test before scaling.
Common Mistakes Brands Make
- Treating it like a set-and-forget channel. It is not. Bids, creative, and targeting all need regular review. The brands winning on retail media are actively managing it, not just running evergreen campaigns they set up in Q1.
- Repurposing creative from other channels. A web banner shrunk to fit a checkout screen is not a retail media strategy. Bold visuals, one clear message, 6 to 8 seconds. Design for the format or do not bother.
- Measuring the wrong thing. Click-through rate is nearly meaningless in retail media, especially for in-store. What matters is sales lift, attributed revenue, and new-to-brand buyer acquisition. Track those or you are flying blind.
- Ignoring the retailer's category data. Most networks will tell you which segments convert best for your category. Brands that ignore this and blast broad audiences consistently underperform the ones that actually use what the network knows.
- Defaulting to Amazon and Walmart and calling it a strategy. Both are crowded and expensive. Regional grocery networks with strong loyalty programs often deliver better sales lift per dollar, with far less competition. Worth testing before you assume bigger means better.
What's Coming in Retail Media
Programmatic In-Store
Real-time automated buying of in-store screen inventory is no longer theoretical. For retailers with the right infrastructure, it opens up demand from programmatic DOOH buyers who would not engage with manual buys.
AI-Driven Personalization
Dynamic content that actually adjusts based on shopper segment, time of day, and inventory levels is becoming accessible outside enterprise budgets.
Smaller Retailers Finding the Path In
Turnkey RMN platforms have made it significantly easier to launch a basic program without building everything from scratch. The trade-off is less control and margin sharing.
Regional Network Growth
A well-run regional grocery chain with 20 to 30 stores can realistically target $300K to $600K in annual ad revenue within 12 to 18 months.
The Bottom Line
Retail media networks are a real revenue opportunity for retailers and a genuinely better ad channel for brands - if the foundation is right. The data has to be there, the infrastructure has to work, and the measurement has to be honest.
If you are a retailer exploring this, the question is not whether retail media is worth pursuing. It is whether your data, screens, and operations are ready to support it. If you are a brand, the question is which networks actually deliver transparent measurement and audiences you cannot reach elsewhere.
Either way, the space is moving fast. Getting in early with the right setup beats waiting and playing catch-up later.
- A retail media network is a retailer's ad business, selling placements across web, app, and in-store screens to brands.
- First-party shopper data from loyalty programs is the key differentiator from traditional advertising.
- Closed-loop attribution lets brands connect ad exposure to actual product sales.
- US retail media spend is projected to surpass $100 billion by 2026.
- In-store digital media consistently outperforms offsite placements for immediate purchase influence.
- Regional networks often deliver better sales lift per dollar than crowded major platforms.
- Measurement quality varies hugely by network - ask for methodology before committing budget.
Jordan Feil is an independent digital signage consultant with 17 years of industry experience. He has worked as a product manager at Navori Labs, a technical account manager, and a global marketing director before founding JAF Digital Consulting. He works with operators, vendors, and integrators on strategy, software selection, network audits, and go-to-market. No commissions, no vendor relationships that shape what he recommends.