The theory of constraints (TOC) is a management paradigm that views any manageable system as being limited in achieving more of its goals by a very small number of constraints. There is always at least one constraint, and TOC uses a focusing process to identify the constraint and restructure the rest of the organization around it. TOC adopts the common idiom "a chain is no stronger than its weakest link."

This means that processes, organizations, etc., are vulnerable because the weakest person or part can always damage or break them or at least adversely affect the outcome.


Theory of Constraints (TOC) provides a set of holistic processes and rules, all based on a systems approach that exploits the inherent simplicity within complex systems through focusing on the few "leverage points” as a way to synchronize the parts to achieve ongoing improvement in the performance of the system as a whole.


• Operations managenent
• Project management
• Strategic management


• Marcela Haluskova is a certified TOC-ICO consultant
• Peter Kmec and Juraj Haluska are TOC practicioners