Brønnøysundregistrene is a Norwegian government agency that is responsible for the management of numerous public registers for Norway, as well as governmental systems for digital exchange of information. The agency is responsible for the development and operation of Altinn, a national portal for digital communication between state, business, and inhabitants. The agency also maintains the Norwegian metadata repository SERES, as well as ELMER, a standard for the design of web forms.
Most of the registers are related to commerce, but personal registers are also conducted by Brønnøysund. The register is part of the European Business Register and a subsidiary of the Norwegian Ministry of Trade and Industry.