How to start a business in Norway ( Oslo or Viken ) ?

If you are an entrepreneur living in Oslo and the part of Viken County that previously was called Akershus who want to start a business there are several places where you can get business startup assistance:

Startup assistance in Viken (formerly Akershus) (Asker , Bærum, Lillestrøm , Jessheim etc.) 

Startup in Oslo

Other sources for startup help: 
Altinn Starte og drive bedrift ( Start and run a business) – Lot of good online information, including free telephone service. – (free courses for new enterprises)