Understanding an organisation’s structure is key to ensuring smooth operations, effective communication, and goal achievement. The right structure defines authority, responsibilities, and workflow, impacting productivity and decision-making. From line, functional, and matrix models to divisional and network setups, each has unique strengths and challenges. Factors like size, objectives, technology, and market dynamics influence the choice. This detailed guide explains various organisational types, their features, pros, and cons, helping businesses design structures that align with strategy and growth.