Onetag
Onetag is a cookieless programmatic curation and exchange platform for buyers and publishers.
Analyst Perspective
Onetag is a private AdTech company focused on programmatic supply, media curation and cookieless contextual targeting. Its platform combines exchange infrastructure, publisher monetisation tools and buyer-facing curation products that help advertisers, agencies, trading desks and publishers access higher-quality open web inventory, improve campaign efficiency and optimise yield without relying on third-party cookies. The company generates revenue primarily from transaction-based take rates on media flowing through its exchange and curation stack, supported by software-style platform access and managed services. Its customers are business users rather than consumers: publishers and media owners use Onetag to monetise inventory, while advertisers, agencies, DSP users and trading desks use it to source curated supply and improve performance. The 2026 acquisition of Aryel indicates expansion into immersive and interactive ad experiences.
Analyst Signal Briefing
Archived (Stand: 9 Jul 2026)No new strategic signals in the last 90 days. Showing historical briefing.
Onetag is scaling its pre-bid optimisation solution, Dynamo, which delivers a 25% reduction in cost per acquisition through a zero-fee technical model. Under the leadership of co-CEOs Daniel Pirchio and Filippo Gramigna, the company is reinforcing its commitment to inventory quality by actively addressing industry risks associated with Made-for-Advertising (MFA) arbitrage. Additionally, Onetag has updated its bid adapter for the Prebid.js 11.21.0 release, ensuring its programmatic infrastructure remains compatible with the latest technical standards.
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Key insights about Onetag
Category Differentiation
Onetag is not a DSP or a consumer media platform; it is an AdTech infrastructure company focused on SSP-style exchange, curation and contextual targeting. It is also distinct from pure contextual vendors because it combines targeting intelligence with exchange and publisher monetisation infrastructure.
Onetag: About
Onetag operates a vertically integrated programmatic advertising infrastructure business. It aggregates publisher inventory, applies contextual and placement-level optimisation, packages curated supply for demand-side activation, and connects this flow through its own exchange layer. This creates value for publishers through yield improvement and for buyers through improved media quality, relevance and performance in open web buying.
How Onetag Works & Monetises
Business model analysis and core revenue streams
Onetag monetises mainly through a percentage take-rate on programmatic media transactions flowing through its exchange and curation infrastructure. It also uses SaaS-like commercial mechanics around access to its platform capabilities for buyers and publishers, and it can monetise managed support through service-led optimisation and customer success. Revenue therefore mixes media-linked transaction economics with software and service components.
Revenue Channels
Products & Services in Categories
Verified structural categorizations from the graph
Onetag: Key Subsidiaries & Acquisitions
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Immersive adtech platform for AR creatives, measurement and planning.
Recent Signals (Onetag)
Prebid.js 11.23.0 Released
Between July 8–20, 2026 Prebid published three Prebid.js releases: 11.23.0 (2026-07-08, commit 495a6b6), 11.24.0 (2026-07-14, assets ts 2026-07-14T16:59:08Z) and 11.25.0 (2026-07-20, commit 3701f58). The releases introduced new bid adapters (MediaGo Technology LLC and JJTech in earlier updates; Pinelake and OCM in 11.25.0), core fixes (escaping user‑sync iframe URLs, PBS host‑company vendor consent check, TCF control TypeError fix, gamAdserverVideo cust_params array encoding) and bug fixes (TeqBlaze undefined bidfloor, mobile GAME_MANUAL_INTERSTITIAL rendering, usersync iframe styling). Maintenance and quality improvements included Equativ adapter enhancements (placementuuid + forwarded inventory), Aso GVL IDs, Cortex regional endpoints, build/dependency bumps, CI/e2e/workflow fixes, removal of deprecated istanbul, lint fixes, and published source archives.
Read original sourceOnetag Appoints Alexandra Balashoiu as Vice President of Product
Onetag Appoints Alexandra Balashoiu as Vice President of Product
Read original sourcePrebid.js 11.21.0 Released
Prebid.js version 11.21.0 was published on June 25, 2026. The release bundles core fixes (renderer lookup guard, several linting hardenings, a bidResponseFilter fix, browserslist target update, and GitHub Actions updates to Node 24) and a set of maintenance updates to multiple bid adapters and analytics adapters (Brid, Allegro, Medianet, Mediago, Yahoo Ads, TTD, Onetag, ADBRO, Uniquest). The release entry was created by the github-actions app and references commit dfd6487; source archives (zip and tar.gz) are attached with timestamps of 2026-06-25T13:56:02Z. Changes include adapter-specific bug fixes, parameter/type enforcement, endpoint compression configuration, and metadata/exposure updates across adapters.
Read original sourceOnetag: Frequently Asked Questions
What is Onetag?
Onetag is a programmatic advertising technology company providing exchange infrastructure, media curation, contextual targeting and publisher monetisation tools.
Who uses Onetag?
Its users are advertisers, agencies, trading desks, DSP users, publishers and media owners operating in programmatic advertising.
How does Onetag make money?
It primarily earns a take-rate on media transacted through its exchange and curation platform, with additional software and managed service revenue.
Company Facts
- Founded
- 2015
- Core Segment
- AdTech Vendor
- Company Size
- 50–200
- Official Link
- onetag.com