Lina Irawan
The landscape of retail media networks (RMNs) has long been defined by a clear hierarchy: Amazon stands at the apex, followed by Walmart, with a fragmented ecosystem of other retailers vying for the remaining scraps of the digital advertising budget. However, as the industry enters the critical fourth quarter—the "Super Bowl" of retail—Walmart Connect is launching an aggressive, tactical pivot designed to tighten its grip on brand partnerships while sidelining traditional intermediaries.
By bypassing agencies to offer direct-to-brand "brand lift studies," Walmart is not merely selling ad space; it is positioning itself as the arbiter of marketing efficacy. This move signals a profound shift in the power dynamics of retail media, as the retail giant seeks to prove that its advertising ecosystem is not just a destination for lower-funnel conversion, but a holistic, full-funnel marketing powerhouse capable of driving genuine, incremental growth.
The Strategic Pivot: Direct Outreach and the Agency Bypass
In the lead-up to the 2024 holiday shopping season, Walmart’s sales team has begun a systematic outreach campaign, approaching brand clients directly with offers for in-house brand lift studies. This bypass of agency partners—the traditional gatekeepers of media spend—has sent ripples of unease through the marketing services industry.
According to multiple agency executives, the approach is being rolled out to a broad swath of advertisers, though the specific names of these brands remain under wraps. The strategy appears to be twofold: first, to establish a closer, more data-centric relationship with the brands themselves, and second, to control the narrative surrounding measurement and return on investment (ROI) at a time when CFOs are scrutinizing every dollar of marketing spend.
While Walmart did not respond to requests for comment regarding this initiative, the industry consensus is clear: the retailer is attempting to shift the conversation from "how much did we spend?" to "how much did this spend actually move the needle?"
Chronology of a Data-Driven Offensive
The rise of Walmart Connect has been meteoric. In August, the company reported a 38% year-over-year increase in its global ad business for the second quarter. This growth trajectory has placed Walmart in a prime position to challenge Amazon’s long-standing dominance.
The Path to Measurement Authority
- Early 2024: Industry-wide concerns regarding "walled garden" limitations and the lack of standardization in retail media reach a fever pitch. Marketers express frustration over the inability to distinguish between organic sales and sales driven by RMN ad placements.
- Mid-2024: Walmart experiences robust growth, with global ad revenue soaring by 38%, signaling to leadership that the time is ripe to invest heavily in measurement tools.
- Q3 2024: Walmart initiates a coordinated effort to offer proprietary brand lift studies directly to high-spending brand partners.
- Current State: Advertisers are weighing the value of these internal studies against the inherent bias of retailers "grading their own homework," while simultaneously recognizing the necessity of this data for Q4 budget defense.
Supporting Data: The Pressure of the Q4 Crucible
The timing of this move is hardly coincidental. As brands finalize their media allocations for the remainder of the year and begin looking toward 2027, the demand for actionable data is at an all-time high.
According to data from eMarketer, total retail media spending in the United States is projected to hit $69.33 billion by the end of this year. As this investment figure climbs, the scrutiny applied to it grows in tandem. For CMOs and CFOs, Q4 is the period where "vanity metrics"—such as clicks or impressions—are no longer sufficient. They require proof of incrementality: the ability to show that a purchase would not have occurred without the ad intervention.
Lacie Edgeman, co-owner and managing director at the ad agency PrograMetrix, emphasizes the high stakes of the current environment. "From our experience, Q4 is when advertisers are least willing to fund spend they cannot defend," she stated. "Walmart is signaling that it wants to be evaluated as a full-funnel partner—awareness, consideration, intent—not only as a lower-funnel conversion engine."
The barrier to entry for these studies, according to Anthony Costanzo, chief analytics officer at Mile Marker, is often tied to the level of ad spend. While Walmart has historically offered such insights as "one-off" beta tests for massive, top-tier advertisers, the current shift indicates that these capabilities are trickling down to a broader range of accounts, democratizing access to high-level analytics while simultaneously tethering those brands more tightly to the Walmart ecosystem.
The "Grading Their Own Homework" Paradox
While many brands are eager for any insight that justifies their ad spend, the industry remains wary of the structural limitations of these tests.
"Done well, they’re a win for both sides," noted a spokesperson for the digital marketing agency Stella Rising. However, the sentiment is not universally optimistic. Because the studies are conducted within the "walled garden" of Walmart’s data, advertisers are forced to rely on the retailer’s methodology.
Costanzo of Mile Marker pointed out that despite the progress, the industry is still far from the ideal state. "We’re still not able to execute the kinds of incrementality tests we’d like to, that we could do in a non-walled garden," he explained. "Advertisers still lack direct access to independently set up and execute the studies, leaving retailers like Walmart often grading their own homework."
Furthermore, the process is not without friction. These studies are resource-intensive. They require significant spend thresholds, and the reporting timeline—which can extend up to nine weeks after a campaign concludes—is often too slow for the fast-paced, real-time adjustments required in modern digital advertising.
Implications: A New Battlefield for Media Dollars
The implications of Walmart’s strategy extend far beyond simple data reporting. If Walmart succeeds in setting the industry standard for how incrementality is measured, it could force a fundamental shift in how brands allocate their budgets between retail platforms.
1. Attacking the Amazon Hegemony
For years, Amazon has been the default choice for retail media. By offering a robust, transparent (or seemingly transparent) incrementality framework, Walmart is providing a compelling "attack angle." If Walmart can prove that its ads drive sales that were previously attributed to organic discovery, it gains a massive lever to pull against Amazon’s dominance.
2. The Agency-Brand Relationship
The direct-to-brand approach puts agencies in a difficult spot. While agencies want their clients to have the best data, the circumvention of the agency layer threatens the collaborative, third-party oversight that brands have traditionally relied on. Agencies must now prove their worth not just by managing campaigns, but by helping clients interpret the "black box" data provided by giants like Walmart.
3. The Future of Measurement Standardization
Walmart’s move may ultimately catalyze a broader movement toward standardization. As other retailers watch Walmart’s success in capturing ad dollars through these measurement offerings, they will be forced to follow suit. This could lead to a more standardized, though still proprietary, measurement landscape across the industry.
4. The Long-Term ROI Question
As brands look toward 2027 and beyond, the focus will likely shift from simple media buying to "media intelligence." The winner of the retail media war will not necessarily be the retailer with the most traffic, but the one that provides the most defensible, transparent, and actionable data.
In conclusion, Walmart Connect is currently executing a sophisticated, high-stakes gambit. By offering proprietary brand lift studies, it is betting that the need for incrementality data will override concerns regarding the "walled garden" approach. For now, advertisers are willing to play along—not because the solution is perfect, but because in the high-pressure environment of retail media, any light shed on the black box of ROI is a welcome addition to the strategy. As the year draws to a close, all eyes will be on whether Walmart can turn these measurements into a sustained competitive advantage that reshapes the future of retail advertising.
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