WEMASS
Spanish premium publisher alliance for programmatic advertising and audience data.
Available information varies by company and source.
Profile record updated:
Company facts
- Official name
- WEMASS MEDIA AUDIENCE SAFE SOLUTION, S.L.
- Entity type
- COMPANY
- Founded
- 2019
- Headquarters
- Calle Doctor Fleming, 51. Floor 1, Office 2, 28036 Madrid
- Company size
- 10–49
- Market role
- Media Sales House
- Official website
- wemass.com
What WEMASS does
WEMASS creates value by pooling premium publisher inventory and first-party audience data into a single commercial access point for advertisers and agencies. It monetises this aggregated supply through programmatic and likely direct campaign transactions, while using proprietary data, identity and reporting tools to improve targeting, campaign control and measurement. Additional value is created through creative production and post-campaign research services that deepen client spend and strengthen publisher monetisation.
Category differentiation
WEMASS is not a consumer media brand or standalone publisher website. It is a Spain-based premium advertising marketplace and supporting ad tech stack built around a publisher alliance.
Strategic context
AI-supported assessment from the existing company research; distinguish interpretation from sourced facts.
WEMASS is a Spanish premium digital advertising marketplace and ad technology joint venture owned by major publisher groups including Prisa, Vocento and Grupo Godó. It aggregates inventory from a large network of premium Spanish publishers and sells access to advertisers and media agencies seeking brand-safe, contextually relevant programmatic campaigns across display, video, native and audio channels. The business is built around a central marketplace layer supported by proprietary audience data, cookieless identity, campaign analytics and creative services.
Business model & monetisation
WEMASS primarily earns revenue from media spend flowing through its premium marketplace, most plausibly on CPM-based programmatic transactions and direct premium inventory packages. It likely captures margin or platform economics from aggregated publisher supply, with higher-value pricing supported by contextual environments, first-party audience segments and cookieless identity. Secondary monetisation comes from managed creative production, custom formats, analytics, brand lift studies and other post-campaign insight services.
- Premium programmatic inventory sales
- Percentage Take-Rate
- Direct premium campaign packages
- Service Fee
- Creative production and custom formats
- Service Fee
- Post-campaign research and insight studies
- Service Fee
- Data-enabled targeting and identity-linked activation
- Software Subscription
Products & capabilities
No products with linked sources are available in this view.
Programmatic stack & registry data
Registry entries and observed technical data do not establish certification, legal compliance or actual usage.
WEMASS MEDIA AUDIENCE SAFE SOLUTIONS, S.L.
IAB vendor record: 968
- Cookies declared
- Yes
- Non-cookie access declared
- Yes
- Declared purpose IDs
- 1, 3, 4, 7, 10
- Declared feature IDs
- 1, 2, 3
- Declared special purpose IDs
- 3
- Indexed sellers.json entries
- 11 · wemass.com
Products & market categories
Technology
Recent recorded signals
Dates refer to the source publication. Older entries are historical context, not evidence of a new event.
No sufficiently sourced and dated signals are available for this view.
Explore company relationships
Questions about WEMASS
What is WEMASS?
WEMASS is a Spanish premium digital advertising marketplace that aggregates inventory, audience data and supporting ad tech across a network of major publishers.
Who uses WEMASS?
Its main users are advertisers, media agencies and programmatic buying teams that want brand-safe access to premium Spanish digital audiences.
How does WEMASS make money?
It earns revenue from media spend flowing through its marketplace and from related services such as creative production, analytics and campaign research.
Sources & coverage
This profile uses public, official and technically observable information. Missing information does not prove that a product or relationship does not exist. The list below does not imply that every profile statement has been verified.
17 publicly documented primary sources and citations linked across the market graph.
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