Nobody sets out to build a broken system. The multi-agency model is the product of entirely reasonable decisions: hire the best creative shop, hire specialists who negotiate media all day, keep them honest by keeping them separate. Each decision defensible. The combination is where the money goes.
The failure is structural, not a competence problem
This is the part that makes it hard to see. Every supplier in a fragmented set-up can be excellent, deliver exactly what was briefed, and hit every deadline, and the campaign can still underperform. Because each is accountable for their deliverable, and no one is accountable for the result.
Which means the problem never surfaces in a performance review. It surfaces as a quarter that was fine, from a campaign everyone was happy with, that did not move the business.
A taxonomy of the waste
Format waste
Creative developed without knowledge of the media plan arrives in the wrong ratios and lengths for the inventory that was actually bought. It gets cropped, trimmed and reversioned, which costs money and degrades work that was good before it was compressed into a shape it was not designed for.
Attention waste
A message built for six seconds of attention running in a placement that reliably gets two. The media is delivering exactly what was bought. The creative is exactly what was approved. The combination communicates nothing, and both reports will look acceptable.
Sequencing waste
Media planned around available inventory rather than around the idea, because by the time the media agency was briefed the idea was already locked. The plan optimises what it can still control, which is where the money goes rather than what the money is for.
Duplication waste
Four suppliers each doing enough strategy to write their own scope. Four audience definitions, none identical. The brand pays for the same thinking repeatedly and then pays again in the incoherence it produces downstream.
Reconciliation waste
Three reports that cannot be added together because they count different things over different windows with different attribution. The client's team spends its most senior time doing arithmetic that should have arrived done, and the arithmetic is never quite conclusive enough to act on.
Latency waste
Perhaps the most expensive. Performance drops in week two. The fix requires a creative change, a media change and a landing page change. In a fragmented model that is three conversations, three approvals and three timelines, so it lands in week six. The campaign spent a month underperforming because of the org chart.
Why splitting suppliers feels safer than it is
The argument for separation is real and worth stating fairly: independent media buying reduces conflict of interest, specialists go deeper, and multiple suppliers protect against being captive to one relationship. Those are genuine benefits and they are the reason the model persists.
What the argument understates is the coordination cost, because the coordination cost is borne by the client's own team rather than billed. A brand running four agencies has quietly hired itself as the integrator, usually without allocating anyone to the job.
What to do short of firing everyone
Consolidation is one answer and not the only one. Most of the value can be recovered structurally.
- 01Write one brief, once, with every supplier in the room. One audience definition that everyone works from. This single change removes most duplication and sequencing waste.
- 02Get the media planner into the creative development, before the work is approved. Not to critique the idea, to say what it has to survive.
- 03Agree one measurement frame before anything is made, defining what counts, over what window, attributed how. Have the suppliers agree to it in writing while they still want the business.
- 04Name an integrator explicitly and fund the role. If it is going to be your marketing manager, that is a decision, not an accident.
- 05Agree in advance what a mid-flight change looks like and who can authorise it, so the response to underperformance takes days rather than a month.
The honest case for integration
An integrated agency does not remove the need for any of that discipline. It removes the coordination cost, and it makes the accountability unambiguous, because the same team that wrote the strategy made the work and bought the media has nowhere to point when it does not perform.
That is the actual trade. You give up the ability to blame someone else, and you get the ability to change three things in the same week.