When the machine buys the media, the brand has to earn it
2nd Apr 2026
Growth
Its a brave new world in Performance Marketing
Something structural is happening in performance marketing. Advertising platforms are automating the decisions that used to define the job: agentic tools now handle targeting and optimisation, shifting the work from manual buying to a system that combines machine-led targeting, trust signals, creative and first-party data.
The implication is uncomfortable and clarifying in equal measure. As the platforms do more of the thinking, the brand has to do more of the proving. That moves competitive advantage upstream, to the quality of the proposition, the creative and the data you feed the system. It is precisely the territory where brand strategy earns its keep. Automation is not a reason to spend less thought on marketing. It is a reason to spend more on the parts the machine cannot do for you, because a weak signal amplified is still weak.
Creator Marketing metrics are changing
The same discipline is arriving in creator marketing. The share of influencer deals paid on performance, tied to clicks, conversions and sales, has roughly doubled from 23 percent in 2024 to 53 percent in 2026, as creator advertising approaches 44 billion dollars globally.
Micro-influencers are delivering an average engagement rate of 3.86 percent against 1.21 percent for the largest accounts, a 3.2 times advantage that is pulling budget towards smaller, better-matched partners. Reach is no longer the preserve of the biggest cheque.Sitting above all of it, the ratio of lifetime value to acquisition cost has become a board-level metric, capturing both sides of the equation at once. When the board watches that ratio, marketing stops being a cost centre and becomes a lever on enterprise value.
For Investors
The ratio of lifetime value to acquisition cost is the language that connects a portfolio company's marketing plan to the investment thesis.
As agentic buying commoditises media execution, the durable advantage sits in the proposition and the first-party data estate, both controllable, both under-examined in diligence. The gap is between teams optimising isolated campaigns and teams managing the whole economic relationship with a customer.
For Founders
The encouraging read is that a sharp proposition matched to the right micro-creators can now outperform a far bigger budget. You do not need the largest spend in your category, you need the clearest reason to be chosen, fed into systems that reward exactly that. Get the proposition right and the machine works for you rather than against you.
When everyone can buy the same media, the business with the sharpest story is the one that wins the auction. Sources: Admetrics, GA Connector, Eciks, Mean.ceo, M+C Saatchi Performance, b2the7
