Business and Technology · Business organisational structure

Mintzberg's Organisational Structure Model: Five Parts and Configurations

Updated 11 October 2026 · Fact-checked

Mintzberg says every organisation is built from five parts: the strategic apex, middle line, operating core, technostructure and support staff. Different mixes of these parts, and different ways of coordinating work, produce configurations such as the simple structure and machine bureaucracy. In the exam, identify the part or match the configuration to the clues.

Understand Mintzberg's Organisational Structure Model

Henry Mintzberg studied how organisations are put together. He did not give one best structure. He said every organisation has the same five building blocks, and the structure you see depends on which block is strongest.

The five blocks are:
- Strategic apex: top management, such as directors and the chief executive. They set direction and take overall responsibility.
- Middle line: the managers between the apex and the operating core. They pass down instructions, pass up information and supervise.
- Operating core: the people who do the basic work that produces the product or service, such as machine operators, teachers or auditors.
- Technostructure: analysts who design and control how work is done, but do not do the work themselves. Examples are work study, planning, quality control and accounting standards staff. They standardise processes, outputs or skills.
- Support staff: people who provide services to the organisation outside the main work flow, such as catering, legal, payroll, mail room and IT helpdesk.

The technostructure and support staff are the pair students confuse. The technostructure controls and standardises the work. Support staff serve the organisation. Ask: does this role shape how others work (technostructure), or does it just provide a service (support)?

Mintzberg also described how work is coordinated: direct supervision, standardisation of work processes, standardisation of outputs, standardisation of skills, and mutual adjustment. Each dominant block and coordinating method leads to a configuration.

The main configurations are:
- Simple structure: the strategic apex dominates, with direct supervision. It suits small, young, entrepreneurial firms.
- Machine bureaucracy: the technostructure dominates, with standardised work processes. It suits stable, mass-production settings.
- Professional bureaucracy: the operating core dominates, with standardised skills. Hospitals and universities are typical.
- Divisionalised form: the middle line dominates, with standardised outputs. Divisions run with their own targets.
- Adhocracy: support staff are often important, and mutual adjustment is the coordinating method. It suits innovative project work in changing conditions.

Key formulas to remember

Strategic apex: Top management → sets strategy and overall direction; Dominates the simple structure.
Middle line: Middle managers → link apex to operating core; Dominates the divisionalised form.
Operating core: Operators → do the basic work; Dominates the professional bureaucracy.
Technostructure: Analysts → design and standardise work; Dominates the machine bureaucracy. Controls work, does not do it.
Support staff: Support staff → provide indirect services; Outside the main work flow. Often important in an adhocracy.
Configuration match: Simple = direct supervision | Machine = standard processes | Professional = standard skills | Divisionalised = standard outputs | Adhocracy = mutual adjustment; Learn these pairs. They are the quickest way to answer.

How to solve Mintzberg's Organisational Structure Model questions

Use this method for any question on Mintzberg's model, whether it asks about a building block or a configuration.

1Read the scenario and underline what each person or group actually does.
2Ask whether the role does the core work, supervises it, controls how it is done, or serves the organisation.
3Label each role with its building block.
4If a configuration is asked for, find the dominant block and the main coordinating method.
5Check the environment clues: small or large, stable or changing, simple or complex.
6Match to the configuration using the pairs you have learnt.
7Check your choice against the options. Reject any option that contradicts a clue.
8For multiple response, select exactly the stated number of answers.

Quickest way: Role test and pair match

When to use it: Use for single-answer objective test questions where time is short.

Apply the role test: does it do the work, manage it, design it, serve it, or direct the whole organisation?
For technostructure versus support staff, ask: does it set standards for others, or just provide a service?
For configurations, spot the key word: owner-manager means simple structure; standard procedures means machine bureaucracy; skilled professionals means professional bureaucracy; semi-autonomous divisions means divisionalised; innovation and project teams means adhocracy.
Choose the option that fits all clues and move on.

Common mistakes in Mintzberg's Organisational Structure Model

Treating technostructure and support staff as the same thing.
Both sit outside the line of command and are called staff functions.
Fix: Technostructure standardises and controls work. Support staff provide services such as catering or legal advice.
Putting accountants in the operating core.
Students link the core with the finance topic being studied.
Fix: Classify by role in the organisation. In a manufacturer, accounting analysts are technostructure. In an audit firm, auditors are the operating core.
Thinking the middle line is any manager.
Everyone below the board seems like middle management.
Fix: The middle line links the apex to the operating core. A first-line supervisor of operators is part of it. A head of work study is not.
Mixing up the configuration and coordinating method pairs.
Five names and five methods are learnt as a list, not as pairs.
Fix: Learn each as a pair: machine bureaucracy with standard processes, professional bureaucracy with standard skills, divisionalised with standard outputs.
Saying one configuration is best.
Students expect a ranking.
Fix: Mintzberg's point is fit. The right structure depends on size, age, environment and the work done.

Worked examples

Example 1

A manufacturer employs a team who set time standards for each task, design quality checks and write work procedures. They do not take part in production. Which of Mintzberg's building blocks do they form? A) Operating core B) Technostructure C) Support staff D) Middle line

Show the solution

The team does not do the production work, so it is not the operating core.
They design and standardise how the work is done and checked.
That is the role of the technostructure, not a service function like catering or legal advice.
They do not supervise operators or link the apex to the core, so they are not the middle line.

Answer: B) Technostructure

Example 2

A hospital relies on highly trained doctors who work with a high degree of independence. Their skills are standardised through long professional training. Which configuration is it? A) Simple structure B) Machine bureaucracy C) Professional bureaucracy D) Divisionalised form

Show the solution

The key clues are highly trained specialists and standardised skills.
The operating core is the dominant block, because the professionals do the main work and have autonomy.
Standardisation of skills is the coordinating method for the professional bureaucracy.
A simple structure is a small firm with direct supervision. A machine bureaucracy relies on standard processes. A divisionalised form uses semi-autonomous divisions and standard outputs.

Answer: C) Professional bureaucracy

Exam tips

Learn the five blocks and five configurations as a table in your head: block, role, configuration, coordinating method.
In scenario questions, classify people by what they do, not by job title.
For technostructure versus support staff, use the control-versus-service test every time.
In multiple response questions, count the required answers before you select.
Do not spend long on this topic in the exam. Most questions can be answered by spotting one or two clue words.

Practice questions from Business organisational structure

Mintzberg's Organisational Structure Model in other exams

The same ground in other exams, if you are preparing for more than one or want another angle on it.

Mintzberg's Organisational Structure Model: frequently asked questions

What are Mintzberg's five parts of an organisation?

They are the strategic apex, middle line, operating core, technostructure and support staff. Each has a different role, from setting strategy to doing the work or providing services.

What is the difference between technostructure and support staff?

The technostructure designs and standardises how work is done, for example work study or quality control analysts. Support staff provide services that sit outside the main work flow, such as catering, legal advice or payroll.

Which configuration goes with standardised skills?

The professional bureaucracy uses standardised skills. The operating core dominates, as in hospitals and universities.

Do I need to learn every configuration for BT?

Learn the main ones: simple structure, machine bureaucracy, professional bureaucracy, divisionalised form and adhocracy. Know the dominant block, the coordinating method and a typical example for each.