The Business Single Window (FUE) is a service that the AOC makes available to the Catalan public administrations with the aim of being the virtual space and the single point of reference for entrepreneurs, entrepreneurs and intermediaries in their relationship with the 'Administration.

The Local Single Business Window (FUE) makes it easier for councils to comply with the simplification law. The electronic procedures available in the FUE Local are easy to activate and make it easier for companies to save time and money.