Functional organizational structure

It is a type of organization where people are grouped according to their area of professional competence and specialization. Typically this kind of organization is very bureaucratic and has a top-down approach.
This implies that each department will have his manager or director. This kind of organization allows employees to specialize at best in specific functions. However, it will also limit their flexibility.
While most traditional companies run this kind of organizational structure, many startups that need to make sure its small teams remain flexible and adaptable might opt for a different structure, where people are incentivized to form cross-functional teams.
Divisional organizational structure

It is a type of organization where groups are organized according to the projects or products the company focuses on.
This structure is more flexible to the hierarchical organization, as each division will run almost as an independent business, that has independent control over resources and money spent. Each division working as an independent organization can be grouped by product line but also geography.
Matrix organizational structure

It is a type of organization that blends elements of a functional and divisional structure. While it sounds appealing in theory, it might be hard to implement.
As it might make people report to several bosses within the same organization and the communication flow might become too challenging as this might also generate confusion in the executive and management.
Flat organizational structure

It is a type of organization born from the startup way of acknowledging more independence and autonomy to employees, where they are closer to the chain of command, and the decision-making process.
This type of organization still benefits from hierarchies, but it flattens them by generating an adaptable model for organizations. While this kind of approach might work well with small and medium-size organizations, it might be difficult to implement for quite large organizations.
Read Next: Organizational Structure.
Types of Organizational Structures

Siloed Organizational Structures
Functional

Divisional

Open Organizational Structures
Matrix

Flat

Connected Business Frameworks


Nadler-Tushman Congruence Model

McKinsey’s Seven Degrees of Freedom





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