A target operating model is the to-be model, and it is a statement of intent rather than a description of how the organisation will actually run.
Why it matters when the plan changes
A target operating model is defined as the desired future state of how an organisation runs, produced against a description of the current one. That definition covers formal design, one of five layers an organisation runs on. The other four, real ownership, dependencies, operating patterns and what people experience, are not specified by it and do not automatically follow it. The document can be excellent and the organisation can still run on the old logic underneath it.
The tension is between completeness and adoption. A model detailed enough to answer every question takes long enough to produce that the strategy behind it moves. A model light enough to land quickly leaves the contested decisions unspecified, and those are exactly the ones that settle themselves informally in the gap. Harvard Business Review found that only nine per cent of managers could rely on colleagues in other functions and units all the time, which is the gap a model's silence widens.
In practice
A target model defines a product-led structure with clear accountabilities on a page. It does not say who settles a pricing conflict between a product line and a market, because under the old structure that question could not arise. Within a quarter the question arises weekly and is settled differently each time.
Evidence
A target operating model is defined as the desired future state of how an organisation runs, produced against a description of the current one.
Target operating model, Wikipedia (2026)Commitments across units remain the least reliable part of execution regardless of how the structure is drawn.
Donald Sull, Rebecca Homkes and Charles Sull, Why Strategy Execution Unravels and What to Do About It, Harvard Business Review (2015)
What it cannot tell you
A target operating model describes intended structure and process; it says nothing about whether people will actually work that way. It is silent on real ownership, dependencies, operating patterns and lived experience, the four layers that determine whether the design takes hold. A model can be approved and detailed while the organisation continues to run on its previous logic underneath it.
Questions
Structure, processes, governance, technology and the people arrangements intended to support them, described as a future state against the current one. The Wikipedia entry on target operating models (2026) defines it as a description of an organisation's desired future state. Most frameworks specify design rather than the behaviour that design is meant to produce.
Because formal design is one of five layers an organisation runs on. Real ownership, dependencies, operating patterns and lived experience are not specified by a design document. Harvard Business Review reported that only nine per cent of managers can rely on colleagues in other functions and units all the time, and no model changes that on its own.
The decisions that only become possible under the new structure. Questions that could not arise before are not in anyone's mental model when the document is written, so they are unspecified, and the first time each one arises somebody settles it locally.
Detailed enough to name who settles the decisions the plan depends on, and no more. Completeness beyond that point costs time the strategy does not have. The test is not whether every process is documented but whether the contested calls have an owner.
When the decisions it implies are being made by the people it assigns them to, which is observable and is a later milestone than the structure going live. A model can be fully implemented on paper while the organisation still routes its real decisions the old way.