Kontrolleren

Kontrolleren is a Danish noun meaning "the controller." It can refer to a person who exercises control or supervision, or to a device that controls data, movement, or processes. Etymology: from the verb kontrollere to control, with the definite suffix -en forming the noun. The term is used across several domains.

In technology, kontrolleren designates hardware or software that manages a subsystem—such as a disk controller, network controller, or input-output controller. These controllers mediate communication between devices and the rest of the system, handle timing, buffering, and data integrity, and may be integrated on a motherboard or provided as an expansion card.

In business and public administration, a financial or internal controller is a role responsible for accounting, financial reporting, budgeting, and internal controls. The controller monitors compliance, assets, and risk, and often reports to finance leadership.

In governance and auditing, the term may describe an official or department tasked with oversight and verification of processes, ensuring adherence to policies and laws.

The usage of kontrolleren varies by field, but the core idea is a mechanism or person that exercises oversight, supervision, or command within a system.