pubX
Agentic programmatic advertising platform for buyers and publishers.
Available information varies by company and source.
Profile record updated:
Company facts
- Official name
- PUBX AI LTD
- Entity type
- COMPANY
- Founded
- 2020
- Headquarters
- 43 Castle Nurseries, Chipping Campden, England, GL55 6JT
- Company size
- 10–49
- Market role
- AdTech Vendor
- Official website
- pubx.ai
What pubX does
pubX operates as an AdTech software and transaction layer between advertiser demand and publisher supply. On the demand side, it helps agencies and advertisers automate campaign planning, audience construction, deal curation, and activation into external DSPs. On the supply side, it helps publishers connect inventory, surface first-party signals, and improve auction pricing and yield. The business creates value by increasing automation, exposing exclusive inventory, and improving monetisation outcomes across programmatic transactions.
Category differentiation
pubX is an AdTech platform for programmatic media buying and publisher monetisation, not a publisher itself. It should not be confused with larger incumbent infrastructure vendors such as PubMatic, although they compete in adjacent programmatic categories.
Strategic context
AI-supported assessment from the existing company research; distinguish interpretation from sourced facts.
pubX is a UK-based AdTech company focused on programmatic advertising workflow automation for both the buy side and sell side. Its product set includes a buying agent platform for advertisers and agencies, an AI-to-AI marketplace that matches advertiser demand with publisher inventory, publisher-facing bid intelligence for auction pricing and yield optimisation, and integration tools such as a bid adapter for header bidding environments. The company generates value by improving media transaction efficiency and publisher monetisation within existing programmatic infrastructure rather than replacing DSPs or publisher stacks outright. Its customers are business users: advertisers, media agencies, publishers, and ad operations teams. Revenue comes from a mix of software access and transaction- or performance-linked fees tied to campaign activation, marketplace deal flow, and publisher revenue uplift.
Company news briefing
Briefing updated:
Expanding its commercial footprint, pubX has secured authorization from major publishers including Bored Panda and Athlon Sports Communications to execute autonomous direct sales and programmatic deals via the AdCP protocol. These deployments align with the company's scheduled unveiling of agent-to-agent advertising capabilities at upcoming October 2026 industry events, supporting leadership's broader strategy to scale automated commercial operations.
Business model & monetisation
pubX monetises through a blended model combining software access with transaction- and outcome-linked fees. The buying platform likely supports SaaS or platform access pricing for advertisers and agencies, while the marketplace likely earns a take-rate or platform fee on negotiated programmatic deals. Publisher-facing optimisation products are suited to value-based commercial models tied to revenue uplift, improved CPMs, fill rates, or usage of monetisation tooling.
- Marketplace deal fees
- Percentage take-rate on programmatic transactions
- Buying platform access
- SaaS / software subscription or platform access fee
- Publisher optimisation tooling
- Performance-linked pricing tied to revenue uplift or usage
- Technical integration tools
- Bundled enablement or minor software fee
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.
Pubx AI LTD
IAB vendor record: 1485
- Cookies declared
- No
- Non-cookie access declared
- Yes
- Declared purpose IDs
- 1, 2, 3, 4, 5, 7, 8, 9, 10
- Declared feature IDs
- 1, 2, 3
- Declared special purpose IDs
- 3
- Declared special feature IDs
- 1
- Indexed sellers.json entries
- 579 · pubx.ai
Products & market categories
Recent recorded signals
Dates refer to the source publication. Older entries are historical context, not evidence of a new event.
Adverge authorizes AI sales agent pubX Sales Agent
AdTech · Recorded impact score: 4/5
Adverge has authorized pubX Sales Agent (https://salesagent.pubx.ai/) to execute autonomous direct sales and programmatic deals via AdCP protocol.
Athlon Sports Communications, Inc. authorizes AI sales agent pubX Sales Agent
AdTech · Recorded impact score: 4/5
Athlon Sports Communications, Inc. has authorized pubX Sales Agent (https://salesagent.pubx.ai/) to execute autonomous direct sales and programmatic deals via AdCP protocol.
Explore company relationships
Questions about pubX
What is pubX?
pubX is a B2B AdTech company that offers agent-driven programmatic buying, marketplace, and publisher monetisation tools.
Who uses pubX?
Its users are advertisers, media agencies, publishers, and publisher ad operations teams running programmatic advertising workflows.
How does pubX make money?
It appears to earn revenue from a mix of software fees, marketplace take-rates, and performance-linked monetisation tied to advertising outcomes.
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.
19 publicly documented primary sources and citations linked across the market graph.
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