pubX

Follow along as pubX's Director of Engineering Lukasz Szczesiak builds an AdCP conformance bot - updated as the project develops.

Agentic advertising, built on publisher trust. pubX agents turn your brief into curated products and packages, premium inventory access, and transparent one-click activation.

pubX connects you to premium advertisers via our agent-to-agent infrastructure for advertising - monetizing first-party data as sales agents transact best value, governed on both sides. Built on our publisher heritage.

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Deploying an AI agent means it acts, not just outputs. Here's a practical playbook covering scope, observability, hard limits, sandboxing and staged rollout before granting autonomy.

AI agents aren’t people - they’re robots. Learn why API-first workflows, clear data contracts and structured tool calls make agent systems more reliable, safe and observable.

Q: What do Terminator, the Matrix and Blade Runner all have in common?

pubX is partnering with POSSIBLE 2026 - joining thousands of marketing leaders, innovators, and brand builders at one of the most impactful events in the industry.

pubX, the world's first end-to-end Agentic Advertising solution, is an official partner of AMI's Indie Agency Club at MAD//FEST London, 7–9 July 2026.

Meet the team building the publisher technology category, and find out more about pubX's working culture and open roles.

pubX strengthens its leadership in APAC, naming Takami Kowalski MD APAC and Andrew Gilbert Country Manager, Australia. Read the announcement.

pubX has launched the first end-to-end agentic advertising marketplace — a platform where AI-powered buying agents and selling agents negotiate directly, creating deals that traditional programmatic infrastructure simply cannot deliver.

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Reclaim lost revenue, reduce costs and increase efficiency with pubX's Machine Learning Technology

pubX builds agent-to-agent infrastructure for advertising. Buyer agents and seller agents, educated by pubX, trained by you, governed on both sides of every transaction, built on years of publisher-side trust and data.

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PubX AI Ltd | IAB Europe TCF Vendor ID: 1485

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London martech startup pubX raises £3.8m in a Series A funding round led by Chicago Ventures. The company also announces its acquisition of Compliant, described in the text as a media quality and governance business.

Oct 2026 · Startupmag.co.ukNews article

pubX raises $5 million in a Series A led by Chicago Ventures to expand its agent-to-agent advertising infrastructure. The company plans to integrate media quality tools.

Oct 2026 · The SaaS NewsNews article

pubX raises a $5 million Series A led by Chicago Ventures and acquires Compliant as it builds agentic tools for advertising. CEO Andrew Mole leads the company’s effort to develop buyer and seller agents for both sides of ad buying.

Oct 2026 · RuntimeWireNews article

PubX acquires media-quality startup Compliant and raises a $5 million Series A. The company is expanding its agentic ad-buying platform into the US.

Oct 2026 · AdExchangerNews article