33Across
Cookieless SSP and identity platform for programmatic advertising.
Available information varies by company and source.
Profile record updated:
Company facts
- Official name
- 33Across Inc.
- Entity type
- COMPANY
- Founded
- 2007
- Headquarters
- 229 West 28th St fl 12, NY, NY 10001, US
- Company size
- 50–200
- Market role
- AdTech Vendor
- Official website
- 33across.co.uk
What 33Across does
33Across operates a B2B adtech infrastructure model on the sell side of programmatic advertising. It integrates with publishers to monetise inventory, enriches supply with proprietary identity and audience data, and packages curated deal inventory for buyers transacting through DSPs. Value is created by improving fill, bid density, targeting relevance and CPM performance for supply partners, while giving advertisers and agencies more addressable and pre-filtered inventory.
Category differentiation
33Across is not a media agency or a consumer social platform; it is a B2B programmatic adtech vendor focused on supply-side monetisation, identity and curated advertising deals. It should also be distinguished from generic data brokers because its core position is sell-side ad infrastructure rather than pure standalone data resale.
Strategic context
AI-supported assessment from the existing company research; distinguish interpretation from sourced facts.
33Across is a private adtech company that sells programmatic monetisation infrastructure and identity-enabled advertising products to publishers, advertisers, agencies and other adtech participants. Its core offering is a supply-side platform that helps publishers monetise display, video, connected TV and in-app inventory, supported by its proprietary Lexicon identity technology for cookieless addressability and cross-device recognition. The company makes money primarily by taking a percentage of media spend or inventory value that flows through its SSP and curated private marketplace deals, with additional revenue from licensing audience segments and data-enabled targeting capabilities. Its value proposition is centred on improving publisher yield, increasing addressability in privacy-constrained environments, and packaging higher-quality supply for programmatic buyers.
Company news briefing
Briefing updated:
Recent industry reporting highlights that supply-side platform 33Across has undergone a corporate rebrand to WealthStage. Additionally, the company continues to maintain standard compliance disclosures as an active participant in industry privacy frameworks such as the IAB Transparency and Consent Framework.
Business model & monetisation
33Across primarily monetises via a percentage take-rate on programmatic media transacted through its SSP and curated marketplace deals. It also generates revenue from data licensing for audience segments and identity-powered targeting capabilities. Commercially, the business resembles SaaS infrastructure, but pricing appears tied more to media volume, deal flow, data usage and performance uplift than to fixed-seat subscriptions.
- SSP transaction fees
- Percentage take-rate on programmatic inventory monetised through the platform
- Curated PMP and deal packaging revenue
- Percentage take-rate on curated supply and deal flow
- Audience data licensing
- Licensing fees for packaged and custom audience segments
- Identity-enabled targeting and enrichment
- Usage-linked monetisation embedded in supply and partner workflows
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.
33Across
IAB vendor record: 58
- Cookies declared
- Yes
- Non-cookie access declared
- No
- Declared purpose IDs
- 1, 2, 3, 4, 7, 10
- Declared feature IDs
- 2, 3
- Declared special purpose IDs
- 1, 2
- Declared special feature IDs
- 2
- Indexed sellers.json entries
- 2,177 · 33across.co.uk
Products & market categories
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 33Across
What is 33Across?
33Across is a B2B adtech company offering a supply-side platform, identity technology and curated programmatic advertising solutions.
Who uses 33Across?
Digital publishers, media owners, advertisers, agencies, programmatic buyers and some adtech platforms use its products.
How does 33Across make money?
It mainly earns take-rates on programmatic media transacted through its SSP and curated deals, plus revenue from data and audience licensing.
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.
18 publicly documented primary sources and citations linked across the market graph.
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