Do your flight training

An ATO is a “Approved Training Organization”. You will need the services of an ATO in order to receive training for the issue, revalidation or renewal of an instrument rating.

Not all flight schools offer this kind of training and course, but here are some:

Norway

Flygeteori.com (coming 2021)

Sweden

Linköpings Flygklubb – Linköping – http://www.lfk.se/

South Sweden Flight Academy – Malmö/Sturup – https://www.southsweden.se/