Observed Signal · Aug 11, 2026 · Industry Analysis / Podcast Interview · Source: Digiday · Impact: 3/5 · Sentiment: Neutral
Agentic media buying requires client-by-client setup
Independent agency Butler/Till has been testing agentic programmatic media-buying agents for months and has run at least half a dozen new tests since May. Early experiments began in CTV and have expanded to online video, display and streaming audio. Butler/Till’s chief strategy officer, Scott Ensign, says governance and guardrails must be configured on a client-by-client basis because different clients and channels carry different risk tolerances. Current ad spend routed through these agentic systems is small (low single-digit percentages), though Ensign expects the proportion to grow over time.
Agency-level experiments with agentic media buying indicate practical governance challenges and potential future growth in programmatic spend; relevant to agencies and programmatic practitioners but not an industry-wide platform or policy shift.
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Key Takeaways & Evidence Grounding
- Butler/Till has been testing programmatic media-buying agents for months and completed at least half a dozen new tests since May.
- Experiments started with CTV and have expanded to online video, display and streaming audio.
- Butler/Till’s client roster includes pharmaceutical and medical device companies, financial services, agriculture and alcohol clients, each with different risk tolerances.
- Ad spend through agentic media buying is currently low (described as "low, single-digital"), with expectations it could grow to double digits in time.
- Scott Ensign, chief strategy officer at Butler/Till, said governance/guardrails must be controlled on a client-by-client basis.
Connected Companies & Entities
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Ontology Mapping & Concepts
Related Market Signals & Shifts
Recent verified developments and strategic activity across this market segment.
Agencies Push Agentic Media, Address Client Rogue Fears
At Advertising Week, media agencies are advancing agentic advertising initiatives while addressing client concerns about rogue AI activity. Dentsu's Carat partnered with NBCUniversal, Freewheel, and Newton to launch a planning, buying, and optimization agent for upfront investments, with a luxury retail client already using it. Tinuiti launched a 'Bliss Point Model Context Protocol (MCP) Server' to integrate measurement with AI agents. Stagwell relaunched Assembly as Stagwell Media with its agentic system Machine OS. Executives emphasize human oversight, governance, and approval thresholds to build trust. Additionally, the article discusses the importance of 'moments' in commerce media, with examples from ExxonMobil, Dollar General, and Pepsi's Nordic campaign with Wolt.
Programmatic Gets an Agentic Brain
AdExchanger publishes a podcast interview with Scott Ensign, chief strategy officer at independent agency Butler/Till, about using agentic AI to change programmatic buying. Butler/Till ran an experiment with PubMatic to execute a fully autonomous, end-to-end agentic CTV campaign for Geloso Beverage Group using PubMatic’s Agentic OS and a generative AI environment. The agency reported cutting supply chain and tech costs by roughly 80%, achieving 40% more impressions on the same budget, a 98% video completion rate and under 1% waste. Ensign argues buyers must redefine efficiency and take a more active role policing supply chains; he expects human buyers will remain but be heavily augmented by agentic technologies. The piece also references a dispute between AgenticAdvertising.org and the IAB Tech Lab over agentic protocols.
Pros and Cons of Agentic Media Buying
This Digiday analysis (May 11, 2026) examines the debate around agentic media buying — AI-driven, agent-to-agent approaches that autonomously negotiate media buys. Proponents (including some agencies and publisher technologists) argue agents can cut ad‑tech intermediaries, push more budget to publishers, optimize performance at machine speed, and accelerate a flight-to-quality toward premium, first‑party inventory. Critics, including voices at The Trade Desk and publisher and agency leaders, warn agentic trading could add new layers of opacity, replicate ad‑network fragmentation, harm the open exchange, and be misused to prioritize outcomes without human oversight. The practice remains nascent with very little money transacted; several holding companies and agencies (Omnicom, Stagwell, Butler/Till) are testing agentic workflows while industry observers stress governance, transparency and broader platform-driven traffic declines mean agents are unlikely to be a standalone fix for publisher monetization.
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