In-Store Digital Screens and DOOH for Retail Media Networks: The 2026 Operator's Guide

Last updated: May 2026

In-store digital screens are the fastest-growing surface in retail media — projected to drive 55.9% of all DOOH ad-spend growth between 2025 and 2029 (StackAdapt, November 2025) — yet most retail operators still underestimate the revenue and overestimate the build complexity. This 2026 operator's guide covers screen technology types, screen-management software vendors, how Walmart, Kroger, Target, Albertsons and Sainsbury's have actually architected their networks, programmatic DOOH (pDOOH) buying mechanics in a post-consolidation market, and the IAB-aligned attribution stack that makes in-store finally measurable. For the broader vertical context — how grocery, beauty, fashion, QSR and in-store fit into a unified retail media strategy — see our guide to retail media strategies across grocery, beauty, fashion, and QSR verticals. This article is the in-store deep dive. If you're evaluating a turnkey deployment, Osmos Instore Ads is built for the architecture decisions described below — aisle-level localized targeting, offline analytics, and QR-bridged O2O attribution on a single stack.

Why In-Store Screens Are Retail Media's Next Revenue Frontier

In-store retail media is advertising delivered on retailer-owned digital screens, kiosks, and connected fixtures inside physical stores — distinct from onsite retail media (the retailer's e-commerce surfaces) and from external digital out-of-home (DOOH) inventory along streets, transit, and venues. The screens are inside the four walls of the store, the audience is shoppers in active purchase mode, and the data is the retailer's first-party loyalty and basket data. That combination — point-of-purchase context plus closed-loop measurement — is why analysts now describe in-store as the next mass-reach video channel.

The market data backs the strategic framing. Global retail media is projected to reach $169.6 billion in 2025 (Broadsign, September 2025), with the in-store slice on track to cross the $1 billion threshold by 2028 according to that same Broadsign report and by 2029 per the publicly available excerpt of eMarketer's In-Store Retail Media 2025 (Sarah Marzano, September 2025). On the broader DOOH side, US DOOH ad spending will rise from $4.40 billion in 2025 to $5.87 billion by 2030, and programmatic DOOH alone will grow 22.6% YoY in 2025 to reach $1.22 billion in 2026 (StackAdapt, November 2025). DOOH will represent 42.3% of all OOH spend by 2029, with in-store retail media driving more than half of that growth.

"In-store will begin to emerge as the new TV — a mass-reach advertising vehicle ideal for brands." — Andrew Lipsman, cited in Broadsign's Retail Media In-Store Report (September 2025)

Benefits of in-store retail media digital screens

• Point-of-purchase proximity. Ad exposure happens within feet of the shelf — the shortest possible path from impression to conversion.
• Closed-loop measurement. Loyalty data, transaction logs, and store-level sales make causal lift measurable in ways open-web display rarely allows. Albertsons' incrementality model calibrates against 60+ control factors to isolate causal sales lift at the store level (Modern Retail, January 2026).
• Mass weekly reach. Walmart Connect cites approximately 150 million customers reached weekly across stores and online; a standard TV-wall campaign reaches 180 million customers over two weeks (Walmart Connect).
• Strong consumer reception. 73% of consumers view DOOH ads favorably (vs. 50% for TV/video), and 76% of viewers took action after seeing a DOOH ad (StackAdapt, November 2025).
• Performance proof. Grocery TV reports CPG brands on its network achieve an average 4.7x ROAS, 14% sales lift, and 49% incremental reach (Grocery TV via PR Newswire, September 2025).

Challenges and tradeoffs

The in-store channel has structural friction the digital channels do not. The IAB's December 2025 framework names three primary barriers: operational complexity, inconsistent standards, and a lack of comparability across networks (IAB, December 2025). Capex is high — screen hardware, connectivity (PoE, cellular, Wi-Fi), and CMS integration must all be in place before a single dollar of ad revenue is booked. CPG buyers are still working through whether in-store screen budgets come from commerce, OOH, or a separate digital media line. And without an Amazon-equivalent native in-store advertiser, the channel is, per eMarketer's public excerpt, building volume slowly despite increased urgency. Trade-offs are concrete: high upfront capex against a long-term ad revenue stream, measurement complexity against the precision of closed-loop purchase data, and operational CMS overhead against the automation tooling now becoming available.

The opportunity side is equally concrete. CVS expects roughly 11,000 digital screens nationwide by 2026 — expanding front-entrance screens from 500 to 1,000 and adding checkout ads to point-of-sale in around 7,000 stores — with 54% of CVS shoppers reporting that in-store screens are useful and 20% taking action after seeing them (Modern Retail, January 2026). Hy-Vee added more than 10,000 in-store screens across 400+ locations by year-end 2024. Grocery TV operates across 6,500+ stores at 120+ retailers, reaching 95 million unique shoppers (one in four Americans) (Grocery TV, September 2025).

Types of In-Store Digital Screens: LCD, LED, OLED, Kiosks, and Beyond

Digital signage is the umbrella term for any digitally-powered visual surface inside a store — encompassing fixed-pixel LCD/LED displays, high-resolution OLED panels, interactive kiosks, electronic shelf labels (ESLs), and projection systems. Choosing the right hardware mix is the first architectural decision: it determines both the placements you can monetize and the campaign formats you can sell. The general advantages of in-store digital signage for retailers — flexibility of dayparting, remote content updates, ability to localize creative by store and aisle, and the ability to layer ads on top of merchandising and wayfinding — apply across every screen type below.

Pros, cons, and typical placement by screen type

Editorial caveat: Transparent OLED and projection mapping are presented above as emerging or aspirational because public, verified retail-scale advertising deployments are limited. Treat manufacturer claims with caution and pilot before scaling.

Dynamic pricing and ESL integration

Electronic shelf labels — small e-paper or LCD displays mounted on shelf edges — bridge dynamic pricing with screen advertising. Walmart has plans to roll out ESLs to 2,300 stores by 2026 (CNBC, October 2025; per public excerpt). Barrows' Connect AI uses real-time data and AI feedback loops for continuous optimization of targeting, creative performance, and campaign outcomes (Barrows) — meaning the same screen network can serve pricing changes, inventory-triggered creative, and ad rotations from a single control plane. Operators planning a digital screen build in 2026 should specify ESL/screen integration from day one rather than retrofitting later.

Screen Placement Strategy: Where Ads Actually Convert In-Store

Placement decides effectiveness more than creative does. Shopper dwell time and cognitive load vary dramatically by zone, and the ad format that works at the entrance is the wrong format for the deli counter. Aisle-level targeting — the ability to serve different creative on different aisle screens based on category proximity, audience signals, and time of day — is the single biggest lever in-store networks have over conventional DOOH. It is also why retailer first-party data is so much more valuable in-store than on the open web.

The format-to-zone mapping that has emerged from US RMN deployments is roughly:

• Entrance / lobby: large-format LED for awareness, brand campaigns, and time-of-day messaging (weather, dayparts).
• Aisle / shelf-edge: LCD displays plus ESLs for category-adjacent promotions and dynamic pricing.
• End-caps: integrated digital end-cap screens for sponsored merchandising, often tied to the fixture itself (Barrows-style).
• Deli, bakery, butcher: counter-mounted LCD for category-specific food advertising — Walmart Connect reports up to 5% sales lift for Food suppliers on deli and bakery screens, validated at 80% confidence or higher (Walmart Connect).
• Self-checkout / POS: captive-attention placements with the highest purchase intent. Walmart's own data shows self-checkout placements deliver an average 10% lift in purchase intent (Walmart Connect, October 2025).

Osmos's Instore Ads platform is built around localized aisle-level targeting — operators can target by store, by aisle, by daypart, and by audience segment, with offline analytics and QR tracking layered in. That granularity is what turns a generic screen network into a yieldable, brand-buyable inventory.

Screen Management Software: CrownTV, BrightSign, NoviSign, ScreenCloud Compared

Digital signage CMS software is the layer that sits between your hardware and your content — handling content scheduling, remote device management, playlist orchestration, and (in the better platforms) integration with ad servers and audience signals. Vendor choice constrains everything downstream: which players you can deploy, whether you can plug into pDOOH demand, and how much campaign-ops automation you can layer on top.

Comparison caveat: The table below is based on each vendor's own published specifications and product pages. Pricing, integrations, and compliance certifications should be verified directly with each vendor at time of engagement. No independent third-party benchmark study was available at time of writing. Osmos is not a digital signage CMS vendor — Osmos sits at the retail-media ad-stack layer above whichever CMS the operator chooses, which is why Osmos does not appear as a row below.

CrownTV vs BrightSign: CrownTV is the cloud-first, software-led choice; BrightSign is the player-first, hardware-led choice with the largest installed base. If reliability and on-device resilience matter most, BrightSign's 3M+-player deployment record is the operator-friendly answer. If a turnkey cloud CMS with managed players matters more, CrownTV's integrated workflow fits.

BrightSign vs NoviSign: BrightSign sells proprietary BSOS hardware with extended warranty and bsn.Control monitoring included; NoviSign is hardware-agnostic and sells the cloud CMS itself, which is a better fit if you already have a hardware preference (Android, existing players) or want a low-friction studio for non-technical content creators.

CrownTV vs NoviSign: Both are cloud-first CMSs; CrownTV positions around an integrated CMS+player operating model with on-device resilience, while NoviSign emphasizes ease of content creation for distributed non-technical teams. Hardware lock-in is the practical differentiator: CrownTV is more managed, NoviSign more flexible.

How CMS choice affects programmatic ad delivery. A CMS without an open API or ad-server integration cannot accept programmatic demand. If your roadmap includes pDOOH, ensure your CMS exposes the hooks needed by SSPs and ad-servers — this is where the in-store retail media stack lives and dies. Osmos's retail-media layer plugs into the ad-server side; the CMS choice is yours.

How In-Store Networks Are Architected: Walmart, Kroger, Target, Albertsons Infrastructure Patterns

The five RMN deployments below illustrate distinct infrastructure patterns — different hardware partners, different CMS-to-ad-stack architectures, different measurement approaches. They are useful precisely because they are not identical. An operator standing up a network in 2026 should pattern-match against the closest analog rather than copying any single playbook.

Walmart Connect — high-density screen estate, fixture-integrated hardware

Walmart Connect operates an estimated 170,000 digital in-store screens across its 4,600+ U.S. stores (170,000 figure per Broadsign's Retail Media In-Store Report, September 2025; store count and reach figures per Walmart Connect). The infrastructure pattern is fixture-integrated rather than retrofitted: screens are part of the store design, not bolted onto walls. Hardware is delivered in partnership with Barrows Connected Stores, whose Connect OS provides three operational layers — Network Manager (real-time display health), Campaign Manager (booking and targeting), and Insights Manager (multi-source analytics). Barrows publishes seven canonical in-store touchpoint types — Power Aisle, Promo End Cap, HBC End Cap, End Cap, Entrance Screen, Totem Display, and Goal Posts/Aisle End Caps — that map cleanly to the format taxonomy above. Walmart is now expanding screen presence into Electronics and fuel stations (Walmart Connect Partner Connect 2025).

Performance data validates the architecture choice. Customers exposed to Walmart Connect ads were 6× more likely on average to buy brand items compared to non-exposed audiences; deli screens drove an incremental 50,000 units of Triscuit for Mondelez; self-checkout placements averaged a 10% lift in purchase intent.

Kroger Precision Marketing — Barrows-powered, fixture-immersive

Kroger's in-store media platform is now powered by Barrows Connected Stores following the conclusion of its earlier Cooler Screens partnership (Modern Retail, January 2026; Kroger Precision Marketing, June 2025). The architectural pattern is fixture-immersive: screens are integrated into retail fixtures rather than treated as standalone media objects. Kroger plans to roll out the Barrows-powered platform to a substantial portion of its store base in 2026. The format taxonomy aligns with the Barrows seven-touchpoint model (Power Aisle, end caps, entrance screens, etc.) referenced above.

"This is not about retrofitting TVs to walls. It's about bringing inspiration into the in-store shopping experience — seamlessly and meaningfully." — Christine Foster, SVP, Kroger Precision Marketing (June 2025 announcement)

Albertsons Media Collective — STRATACACHE software, Walkbase sensors, incrementality-led measurement

Albertsons launched its in-store digital display network pilot in 80 stores in summer 2025 and is targeting full rollout to 800 of its 2,200+ stores in 2026, with 50+ advertiser partners on board since the June 2025 launch (Modern Retail, January 2026). The technology stack is STRATACACHE for digital signage software with Walkbase sensor technology for impression tracking. Measurement is the architectural standout: Albertsons calibrates against 60+ control factors to identify causal sales lift at the store level, using a test-vs-control store methodology. A Mondelez campaign for Sargento Cheese Bakes demonstrated a 14% sales lift on Albertsons in-store screens — the most credible single-stat for in-store CPG lift in the 2026 dataset because it is independently attributed to a named executive in trade press.

"We're really trying to get that scale for our advertisers as quickly as possible." — Liz Roche, VP, Albertsons Media Collective

Target Roundel — testing in-store experiential hubs

Target Roundel has historically been onsite-led but is testing in-store hubs that combine demos, sampling, and digital screens (per industry trade synthesis). The architectural pattern here is experiential rather than purely transactional: in-store media as one element of a multi-modal shopper engagement zone. Treat current Target screen-network details as directional until Target publishes formal scale numbers.

Sainsbury's Nectar360 — omnichannel platform with The Trade Desk extension

In June 2025, Sainsbury's launched Nectar360 Pollen — an omnichannel retail media platform that unifies planning, activation, optimization, and measurement across physical stores, online, and offsite channels (Hello Partner, June 2025). The standout architectural choices are a partnership with The Trade Desk to extend Nectar loyalty audiences across the open internet (including connected TV and online video), generative AI for creative asset optimization, and a multi-touch attribution model with real-time visualization. Sainsbury's has indicated plans to expand its in-store digital screen network operated in partnership with Clear Channel UK, though specific current screen counts depend on undated source material and should be treated as directional context only.

Osmos in this architecture map

The Osmos pattern most relevant to operators reading this section is the SE Asia deployment: Osmos powered one of Southeast Asia's largest multi-brand retail groups to scale in-store retail media across 1,300+ stores, with 90+ digital screens activated across five SE Asian markets covering health, beauty, grocery, and convenience formats. Audience targeting is enabled via the Osmos and Advertima partnership for in-store audience targeting, which combines Advertima's AI-powered shopper analytics with Osmos's retail media operating system — the partnership announcement cites a 33% incremental sales uplift through enhanced in-store targeting. The architectural pattern is unified: in-store, onsite, and offsite on a single retail media stack rather than three siloed systems.

Programmatic DOOH and Retail Media: How pDOOH Buying Works

Programmatic DOOH (pDOOH) is the auction-based, automated buying of digital out-of-home inventory — the same DSP-SSP-exchange model that powers programmatic display, adapted for screens. It is the connective tissue between a brand's omnichannel media buy and the screen estate of a specific retailer or DOOH owner.

DOOH vs in-store digital signage: where the boundary sits

The simplest definitional boundary: in-store digital signage is screens inside a retailer's store, owned and operated by the retailer (or its in-store media partner). DOOH is everything outside — billboards, transit, venues, gas-station forecourts, mall corridors. Both can be sold programmatically. The pDOOH stack is what unifies them.

Buying mechanics in 2026

A pDOOH transaction flows: brand → DSP (Google DV360, The Trade Desk, Yahoo, etc.) → DOOH ad exchange / SSP → CMS / player → screen. Vistar Media operates a two-sided DSP/SSP marketplace described as the world's largest in OOH, integrating with Google DV360, The Trade Desk, Yahoo, and other major omnichannel DSPs. Broadsign + Place Exchange, now combined after the November 2025 acquisition, form a roughly 1.8-million-screen programmatically transactable network — uniting Broadsign's CMS/ad-serving with Place Exchange's SSP.

The 2025 consolidation wave reshaped the supply side: Vistar Media was acquired by T-Mobile (Deutsche Telekom's US subsidiary), Hivestack was integrated by Perion, and Broadsign acquired Place Exchange. Operators choosing demand partners in 2026 are now selecting from a much smaller, much larger-cap set than they were two years ago.

In-store screens as programmatic inventory

In-store retail media inventory can be surfaced programmatically when the retailer's CMS is exposed via SSP integration. The advantage for the retailer is incremental demand capture beyond direct-sold tenancy and CPM deals. The advantage for the brand is the ability to bridge first-party shopper data — loyalty segments, basket signals — into DSP buys that target screens in stores where those shoppers actually appear. IAB Europe's July 2025 update added a dedicated section on programmatic retail media covering open-auction and private marketplace (PMP) buying mechanics for retail inventory (IAB Europe, July 2025).

Adoption is still early. 59% of marketers still purchase OOH inventory through direct deals only, per StackAdapt's November 2025 OOH statistics — but the 22.6% YoY growth in pDOOH spend says the trajectory is unambiguous.

Audience triggering and dynamic creative

The pDOOH stack supports real-time campaign triggers — weather, time-of-day, inventory levels, footfall density. For retail media, this means a campaign for ice cream can lift bid prices on aisle screens when the local weather hits 28°C, or an OOS-aware creative can swap in a promoted alternate when inventory drops. Vistar's measurement stack covers online conversion, sales lift, foot traffic, and opportunity-to-see metrics — the methods that bridge a screen impression to an offline outcome.

In-Store Attribution: Measuring What Happens After the Shopper Sees the Screen

The attribution gap is the single biggest reason in-store media is harder to sell to brand teams than onsite display. There is no click. There is no last-touch cookie. The shopper sees the ad, walks five feet, picks up the product, and (sometimes) pays at the register — and the measurement stack has to stitch all of that together without violating shopper privacy.

The 2026 measurement standard is the IAB framework released in December 2025, which moves the industry away from traffic assumptions and toward verified impressions. The framework is summarized as the Three Ps: Play (the ad was actually rendered on the screen as planned), Presence (shoppers were near the screen during playback), and Pairing (shopper presence was time-aligned with ad play) (Walkbase, December 2025, summarizing the IAB framework). Critically, the framework states that facial recognition and biometric identification are not required for effective presence measurement — anonymized, minimized sensor data is the foundational standard.

Methods retailers actually use

• Sales lift and incrementality studies. Walmart Connect validates sales lift at 80% confidence or higher; Albertsons calibrates against 60+ factors at the store level using test-vs-control comparisons. This is the gold-standard in-store method when implemented well.
• Loyalty card matching. Match exposed loyalty members to subsequent transactions at the store — closes the loop between screen impression and basket. For deeper methodology see our guide to closed-loop attribution.
• Basket and category lift analysis. Compare category-level sales in stores running a campaign vs control stores.
• QR-scan tracking. A QR code on a screen creates an explicit click-through path — particularly useful for non-endemic brands and for digital-channel attribution. Osmos's Instore Ads platform includes built-in QR tracking and offline analytics for exactly this O2O bridge.
• View-through attribution for in-store screens. Adapted from digital — a shopper exposed to the screen who later transacts is credited at a discounted weight.
• Sensor-based opportunity-to-see (OTS). Walkbase, STRATACACHE-class sensors, and Vistar's OTS metric all measure exposure without storing PII.

Privacy guardrails

In-store presence measurement should be sensor-based, anonymized, and minimized — no facial recognition, no PII storage. EU operators must layer GDPR (and UK GDPR post-Brexit) considerations on top, per IAB Europe's July 2025 guide. For the deeper methodology on data ownership, clean-room architecture, and audience licensing in retail media, see our spoke on in-store data ownership and privacy.

Ad Formats for In-Store Screens: What Brands Are Buying

In-store screens have evolved well beyond the looped 15-second video spot. The current 2026 format set spans static display, video loops (typically 6 to 15 seconds), QR-enabled and gesture-triggered interactives, sponsored shelf-edge digital labels (ESLs with ad overlay), audio + screen combinations at deli/bakery counters, and integrated end-cap sponsorships. For the broader story of how display formats are evolving across retail media — including AR, interactive cube, and gamified onsite formats — see the sibling spoke on the evolution of display ads in retail media. On the in-store side, Adscape supports product ads, video ads, in-store ads, display, offsite, gamified, carousel, and story formats from a single ad-format suite, which is what makes a unified in-store + onsite + offsite campaign deliverable on one stack.

Indicative CPM ranges by zone

CPM caveat: The figures below are directional benchmarks synthesized from vendor pricing pages, advisory write-ups, and public RFP comments; they are not audited industry benchmarks. CPMs vary widely by retailer, audience, daypart, and inventory exclusivity. Validate against actual vendor rate cards.

Commercial models

Beyond pure CPM, the pricing model taxonomy in 2026 spans CPM, tenancy / fixed placement, hybrid CPM-plus-tenancy, performance-based pricing tied to lift outcomes, and sponsorship deals tied to events or aisles (Broadsign, September 2025).

Building Your In-Store Retail Media Network: Operator Checklist

If you are an operator standing up or scaling an in-store screen network in 2026, the practical sequence is: infrastructure first, software stack second, demand generation third, measurement layered throughout.

1. Infrastructure

• Connectivity. Specify PoE for centrally-managed deployments where Ethernet runs are feasible; cellular for fast-deploy or hard-to-cable locations; Wi-Fi only where neither is available and bandwidth is reliable.
• Hardware procurement. Match screen type to placement zone — LED for entrance impact, LCD for aisle volume, kiosks for engagement zones. Specify ESL + screen interoperability if dynamic pricing is on the roadmap.
• Fixture integration. Pattern-match against the Walmart/Kroger fixture-integrated approach rather than retrofit-mounted screens — it avoids the "TVs on walls" problem Christine Foster called out.

2. Software stack

• Digital signage CMS. Choose for scale, hardware approach, and openness — see the comparison above. Confirm the CMS exposes the API hooks needed by your retail media ad server.
• Retail media ad stack. This is the layer that turns a screen network into a yieldable inventory. It handles advertiser onboarding, wallet management, scheduling and pacing, content review and brand safety, and yield management. ControlHub automates these workflows — wallet management (Wallet Wise), advertiser onboarding (Onboard Pro), campaign review (Content Cop), and brand experience management (Brand Jukebox) — for in-store networks at scale.
• Measurement integration. Plug sensor-based OTS, loyalty-data closed loop, and incrementality test infrastructure in from day one.

3. Demand generation and yield

The hardest part of standing up an in-store network is not the screens — it is filling them. House ads will dominate inventory in the first 90 days unless demand generation is set up early.

• Onboard advertisers programmatically. Onboard Pro (within ControlHub) compresses onboarding from weeks to days.
• Yield management and forecasting.StratEdge handles retail media strategy and yield — Demand Wise for advertiser acquisition, Pulse Pro for advertiser insights, BYOT (bring your own traffic), and house ads to keep inventory utilized while paid demand ramps. CPM tiers should be modeled by placement zone and validated against actual fill rates monthly.
• Omnichannel packaging. The inventory that sells fastest is the in-store + onsite + offsite bundle. A unified ad-stack like Osmosphere lets you sell those bundles from a single buyer interface.

4. The competitive landscape

The competitor set you will encounter most often when selling and procuring in 2026 is concentrated in pDOOH and in-store ad-tech. The table below positions Osmos's full-stack retail-media OS against the most common alternatives — note that comparable in-store network competitors include Criteo (commerce media platform with growing in-store ambitions), the post-acquisition Vistar Media + T-Mobile pDOOH stack, the consolidated Broadsign + Place Exchange platform, and Grocery TV (an in-store network operator rather than a platform vendor).

If you are planning a 2026 build, the fastest path from blueprint to live revenue is a turnkey deployment. Osmos Instore Ads is built to deliver exactly this — go live in 4 weeks on the in-store ad stack, with localized aisle targeting, QR-bridged O2O attribution, and a clean handoff into ControlHub for ad-ops and StratEdge for yield.

FAQ

What are the key tradeoffs of in-store digital screen advertising?

The main tradeoffs are: high upfront capex (screens, connectivity, CMS) against a long-term ad revenue stream that scales as demand fills inventory; measurement complexity (loyalty matching, incrementality studies) against the precision of closed-loop purchase data unavailable on the open web; operational overhead of running a CMS and ad-stack against the automation tooling now available from platforms like Osmos ControlHub; and CPG budget categorization ambiguity (commerce vs OOH vs digital) against the channel maturing into a recognized retail-media line item as IAB and IAB Europe standards crystallize.

How do in-store digital screens integrate with dynamic pricing systems?

Electronic shelf labels (ESLs) with ad-overlay capability bridge dynamic pricing to screen advertising. Walmart is rolling out ESLs to 2,300 stores by 2026, creating a single shelf-edge surface that can serve both pricing and ads. Barrows' Connect AI uses real-time data and AI feedback loops to trigger creative changes based on inventory, time-of-day, and pricing signals — the same screen network can power both pricing and advertising from one control plane. Operators planning a 2026 build should specify ESL/screen interoperability up-front rather than retrofitting later.

What is the difference between DOOH and in-store retail media screens?

In-store retail media is screens inside a retailer's store, owned by the retailer or its in-store media partner, with the retailer's first-party loyalty and basket data as the targeting and measurement substrate. DOOH (digital out-of-home) is everything outside — billboards, transit, venues, malls, gas-station canopies. Both can be sold programmatically through DSP/SSP marketplaces. Many in-store networks are now bridged into pDOOH for incremental demand, but the data and audience economics differ significantly: in-store has closed-loop purchase data; classical DOOH typically does not.

What ROAS should we expect from an in-store retail media network?

Vendor-reported benchmarks vary. Grocery TV reports CPG brands on its network achieve an average 4.7x ROAS, 14% sales lift, and 49% incremental reach. Albertsons' Mondelez/Sargento campaign demonstrated a 14% sales lift validated against 60+ control factors. Walmart Connect reports up to 5% sales lift for food suppliers on deli and bakery screens at 80% confidence or higher, and 10% average lift in purchase intent at self-checkout placements. Treat these as directional ranges — actual ROAS depends on category, creative, placement, and measurement methodology. The IAB December 2025 framework will narrow inter-network comparability over time.

How do you launch an in-store digital advertising network from scratch?

The shortest credible path is: (1) infrastructure — connectivity (PoE / cellular / Wi-Fi), screen hardware matched to zone, ESL interoperability if dynamic pricing is on roadmap; (2) software — digital signage CMS (CrownTV / BrightSign / NoviSign / ScreenCloud) plus a retail media ad stack like Osmos ControlHub for ad-ops and StratEdge for yield; (3) measurement — sensor-based OTS, loyalty closed-loop, incrementality test infrastructure layered in from day one; (4) demand — Onboard Pro for fast advertiser onboarding, BYOT and house ads to keep inventory utilized while paid demand ramps. Grocery TV reports an average 6-week deployment timeline from partnership to launch as an operational benchmark.

Sources

1. IAB — A Viable Framework for Maturing In-Store Media Measurement (December 2025)
2. Walkbase — Key Takeaways from IAB's Retail Media Measurement Framework (December 2025)
3. eMarketer — In-Store Retail Media 2025 (Sarah Marzano, September 2025)
4. Walmart Connect — In-Store Ads
5. Walmart Connect — Innovation in Action: Highlights from Partner Connect 2025 (October 2025)
6. Kroger Precision Marketing — Immersive In-Store Advertising Solution (June 2025)
7. Modern Retail — Retailers Like Kroger, CVS Plan Many More Screens for In-Store Ads in 2026 (January 2026)
8. Modern Retail — Albertsons Is Putting Digital Screens for Ads in More Than a Third of Its Stores (January 2026)
9. Hello Partner — Sainsbury's to Launch New Retail Media Platform Nectar360 Pollen (June 2025)
10. Grocery TV via PR Newswire — Grocery TV's In-Store Retail Media Platform Surpasses 6,500 Stores (September 2025)
11. Broadsign — Retail Media In-Store Report: 4 Key Insights Shaping RMN Strategies in 2025 (September 2025)
12. invidis — DOOH: Broadsign Acquires Place Exchange (November 2025)
13. Vistar Media — Programmatic DOOH Marketplace
14. StackAdapt — OOH Advertising Statistics Every Marketer Should Know (November 2025)
15. Barrows Connected Store — Digital In-Store Media & Retail Platform
16. IAB Europe — Updated 101 Guide to Retail Media (July 2025)
17. CrownTV — Best Digital Signage Software
18. BrightSign Homepage
19. NoviSign Digital Signage Homepage
20. ScreenCloud Homepage