I sold my last agency for £10 million, and I would never, ever build it again.
It was a great business, by the standards of the last decade. A hundred people, glass-fronted offices, the usual roster of impressive clients. But it was built on a fallacy: the idea that growth means adding more people. To double our revenue, we had to almost double our headcount. This is the dirty secret of the agency world. It’s a services business that scales with the grace of a brick. The model is fundamentally broken, inefficient, and about to be rendered obsolete.
The future of marketing services isn't about scaling headcount. It's about radical efficiency and superior output through a fundamentally different structure. The agency of the near future has 12 people. And 200 autonomous AI agents.
Most agencies are trapped in a cycle of linear growth. To win a £500k contract, you calculate how many 'heads' you need to service it. The pitch deck even frames it as a benefit: