Barb Ads Hub, the UK television industry's unified campaign analytics system, has today passed 600 active users since its January launch, as work begins to bring Amazon Prime Video into its joint-industry post-campaign measurement framework - a development that would mark the first time a major subscription video-on-demand service has been incorporated into Barb's accountability tools.

Luca Vannini, head of campaign audiences at Barb, wrote today in The Media Leader that the platform "has quickly become the principal destination for over 600 UK buyers and sellers of advertising for full-cycle campaign optimisation." That figure, published five months after the hub went live on 27 January 2026, reflects the pace at which the UK television advertising industry has moved to centralise its campaign data operations inside a single, jointly governed system.

The platform was launched on 27 January 2026, built by RSMB for Barb in response to industry demand. It brings together two pre-existing tools - Advanced Campaign Hub for pre-campaign planning and optimisation, and CFlight for post-campaign evaluation - in a redesigned, modern interface. Barb has described Barb Ads Hub as "the sole location where UK buyers and sellers of advertising can estimate and evaluate campaign performance across linear and VOD services using Barb data and media owners' first-party data."

What Barb Ads Hub actually does

At its core, Barb Ads Hub is a data delivery and reporting layer. It sits on top of the Barb Data Hub, which Vannini describes as "a single place where trusted viewing data is gathered, managed and made available to the industry." The underlying data infrastructure - the Barb Data Hub - brings data distribution in-house, ending a model in which audience data moved through intermediaries before reaching buyers and sellers.

From a technical standpoint, users can run standalone or customised reports and export data through an API, enabling direct ingestion into agencies' own planning solutions. That API capability matters in practice: it means agencies do not have to log in to Barb Ads Hub to consume its data, but can pull outputs programmatically into whatever proprietary tools sit at the core of their workflows.

CFlight, which carries the distinction of being the world's first joint-industry accountability tool for linear and VODservices, now reports against 11 additional target audiences compared with its pre-launch configuration. Those additions include houseperson audiences and a wider range of age groups, expanding the granularity available for campaign analysis. BVOD coverage has also been extended, with delivery on TNT Sports and Sky AVOD platforms now included in CFlight analysis. STV was expected to follow in Q1 2026, according to the January announcement.

Two further CFlight capabilities were flagged for Q1 rollout: the ability to delineate campaign results by sales house, and the option to request analysis for campaigns running solely on VOD services - addressing a gap that had made the tool less useful for advertisers whose campaigns sit outside linear broadcasting entirely.

Barb Ads Hub is available free of charge to buyers and sellers of UK television advertising as part of their existing Barb licences. Access is provisioned through Barb directly.

The argument against the walled garden charge

Given that Barb Ads Hub concentrates campaign data access inside a single system with joint governance, the obvious question is whether it replicates the dynamics of the tech platform walled gardens that have drawn sustained criticism from advertising buyers and agencies. Vannini addressed this directly in today's piece.

The distinction he draws rests on governance rather than functionality. Unlike the large technology and social platforms - where methodology, metrics, and results are all defined and validated internally - Barb operates under a shared governance structure. No single company sets the rules. No commercial relationship is allowed to influence methodology. According to Barb, its Trustmark guarantees that all audience data compiled and reported within the system adheres to joint-industry standards of objectivity, transparency, and accountability.

Vannini also drew a clear line on the role of analytics businesses in the broader ecosystem. According to The Media Leader, Barb "actively supports" a competitive market for data analytics services. The intent is to shift where that competition happens - away from the work of processing raw audience data into usable form, and toward the analysis, visualisation, and strategic counsel that sits on top of it. In other words, the platform is designed to commoditise data access while leaving space for differentiated analytics work.

That framing also connects to a broader shift in data strategy. For much of its history, Barb has supplied data to the industry through third-party distributors. According to Vannini, "the data distribution model that had served the industry well for decades was beginning to feel ill-suited to the pace and complexity of modern measurement." The Barb Data Hub and Barb Ads Hub together represent a strategic decision to build data distribution in-house - a move Vannini explicitly compared to how tech platforms have treated their own data pipelines, but executed under fundamentally different terms.

The dynamics at play here are not unique to the UK. Across the Atlantic, the question of who controls television measurement has become acutely contested, with disputes over data access, methodology validation, and platform representation in audience reports generating significant friction between broadcasters, streamers, and the companies that measure them. The battle over Nielsen's Gauge report suppression in early 2026 illustrated precisely how consequential those data flows are - and how much is at stake when the companies being measured can influence what gets published and when.

The Amazon Prime Video integration

The most forward-looking element of today's update is Barb's confirmation that work to integrate Amazon Prime Video into CFlight is already underway. This would represent a significant milestone in joint-industry measurement, because Prime Video has until now sat outside the accountability framework that Barb's CFlight provides.

According to Vannini, "the work to integrate Amazon Prime Video is already underway," describing this as "a significant milestone for joint-industry measurement." No timeline for completion has been specified publicly.

Prime Video is a substantial presence in UK households. It is part of the same streaming advertising wave that has reshaped television budgets globally. Amazon's global advertising services revenue reached $21.3 billion in Q4 2025 alone, representing 23% year-on-year growth, according to results released in February 2026. Prime Video maintained an average ad-supported audience of 315 million viewers globally. The UK has been one of the markets targeted for Prime Video's advertising expansion, with Amazon having previously extended its viewership signals and targeting capabilities across European markets through Q1 2026.

Bringing Prime Video into CFlight would allow UK advertising buyers to evaluate campaigns that span traditional broadcast, BVOD, and Prime Video in a single accountability framework - removing a reporting gap that currently requires advertisers to reconcile data from incompatible sources. The question of incompatible datasets is not trivial. As Vannini cited from the IPA's Signals in the Noise 2 paper in today's article, the industry's growing dependence on proprietary data from major tech and social platforms leaves agencies navigating what the paper describes as a mosaic of opaque datasets.

Broader context matters here. YouTube's forced departure from Barb's measurement panel in January 2026 - following legal threats from Google over the audio-matching technology Kantar Media used to identify YouTube channels - had already reduced comparability across platforms and raised the stakes for Barb's ability to bring streaming services into its framework on agreeable terms. Prime Video's willingness to engage constructively with joint-industry measurement, as Vannini's piece suggests, represents a different posture from YouTube's.

The MMM data pack and addressability agenda

Beyond the Amazon integration, Barb has confirmed two further development priorities that will shape the platform through the remainder of 2026.

The first is a marketing mix modelling data pack. According to today's article, "an MMM data pack that surfaces impact data across linear channels and VOD platforms in an easy-to-use format will be available in the Barb Ads Hub in Q3." This responds directly to a problem media agencies had raised with Barb: that integrating Barb data into mixed media models had been more complicated than it should be. Currently, campaign exposure data across linear and VOD must be assembled from multiple sources before it can be fed into MMM workstreams. The new pack, housed within the CFlight module, will consolidate that data in a single location.

The timing is significant. MMM has experienced a notable resurgence as a measurement methodology, partly driven by the collapse of cookie-based attribution models and partly by renewed industry interest in understanding the longer-term, upper-funnel effects of television advertising. The difficulty of capturing linear TV's contribution inside standard MMM frameworks has been a recurring source of frustration for marketing teams, with research suggesting that linear's effectiveness is routinely underestimated in models that rely on digital signals. A consolidated Barb data pack designed specifically for MMM input could reduce that friction.

The question of who supplies the data feeding those models is not neutral. As Meta's open-source Robyn MMM tool has illustrated, whoever produces the model that a brand uses for budget allocation decisions holds meaningful downstream influence over how spending is distributed. A Barb-supplied, jointly governed MMM input data pack positions independent, audited television data as a counterweight to platform-supplied measurement inputs.

The second priority is addressable TV planning. According to Vannini, many TV planning tools have been shaped by linear practices that remain relevant but are "not always applicable to addressable activity." Working with broadcasters, streamers, media agencies, and advertisers, Barb is specifying developments to modernise how addressable inventory is planned. This is a longer-horizon project with no stated completion date.

What the numbers and structure tell us

The launch on 27 January 2026 included several concrete technical changes to CFlight that are worth examining closely.

The expansion to 11 additional target audiences moves the accountability framework closer to the granular audience definitions that programmatic buyers use. Houseperson audiences specifically address the planning needs of advertisers whose target definitions are built around household purchase responsibility rather than standard demographic brackets - a category particularly relevant to fast-moving consumer goods advertisers.

The delineation of campaign results by sales house - flagged for Q1 launch - provides buyers with a more precise view of where delivery actually occurred across a linear campaign. Previously, cross-broadcaster campaigns required buyers to aggregate delivery data from multiple sources with different reporting conventions. Having that breakdown available within a single system with consistent methodology simplifies reconciliation and strengthens accountability for delivery against contracted audiences.

The ability to request analysis for VOD-only campaigns closes another gap. Until that feature launched, CFlight's utility was largely confined to advertisers running campaigns that included a linear component. Advertisers committing spend exclusively to BVOD and streaming services could not run their campaign data through the same accountability framework - a limitation that effectively excluded a growing segment of TV advertising activity from joint-industry accountability.

The API endpoint for automated data ingestion - supporting what Barb describes as "frictionless ingestion into agencies' proprietary planning solutions" - is a practical concession to how large media agencies operate. Planning and buying workflows are typically orchestrated inside proprietary agency tools, not inside publisher or measurement body portals. Building an API layer allows Barb Ads Hub to become an embedded data source within those tools rather than a standalone destination that competes with them for user attention.

Why this matters for the marketing community

The advertising technology landscape in 2026 is characterised by measurement fragmentation. Independent CTV measurement across Europe remains a work in progress, with buyers frequently forced to assemble cross-platform pictures from data supplied by the platforms themselves. The structural challenges of closing the loop between CTV exposure and conversion remain only partially resolved, even as budgets continue moving toward streaming environments.

Barb Ads Hub is a different kind of response to that problem than the platform-led measurement products that have proliferated alongside streaming growth. It does not require advertisers to trust any single platform's self-reported data. It operates under shared governance with representation from broadcasters, the IPA, and the broader advertising buying community. And it applies the same methodology across linear and VOD, which matters for comparability when budget allocation decisions hinge on like-for-like performance data.

According to Vannini, writing today, "data infrastructure is not a neutral utility. It shapes what gets measured, what gets valued and ultimately where money flows." That is a precise description of why measurement bodies, platforms, and advertisers are all investing heavily in this space simultaneously. The joint-industry model, as Barb frames it, offers a governance alternative to a landscape where measurement standards are effectively set by the entities with the largest financial interest in the outcome.

Timeline

Summary

Who: Barb Audiences Ltd, the UK's joint-industry television measurement body, and Luca Vannini, its head of campaign audiences. The platform serves buyers and sellers of UK television advertising, including media agencies, broadcasters, and VOD services.

What: Barb Ads Hub, a unified analytics system for full-cycle TV ad campaign planning and reporting, has reached over 600 active users since its January 2026 launch. Barb confirmed today that work to integrate Amazon Prime Video into CFlight post-campaign analysis is underway, and that an MMM data pack consolidating linear and VOD exposure data will be available in Q3 2026.

When: Barb Ads Hub launched on 27 January 2026. The 600-user milestone and the Amazon Prime Video integration announcement were disclosed today, 8 June 2026, in an opinion article by Vannini published in The Media Leader.

Where: The platform operates in the UK television advertising market. Barb Ads Hub sits on top of the Barb Data Hub. Access is provided to holders of existing Barb licences at no additional cost.

Why: Television advertising has fragmented across linear broadcast and multiple streaming platforms, each with its own measurement conventions and data access terms. Barb Ads Hub is designed to provide a single, jointly governed location where UK buyers and sellers can evaluate campaign performance across all those environments using consistent methodology and independently audited data - addressing a structural problem that has forced advertisers to reconcile incompatible datasets supplied by parties with commercial interests in the results.