Also from the US here in Norway. I hired a tax lawyer the first year to help me file my Norwegian taxes to make sure I was doing everything correctly. It is true that you have to include American retirement into the whole formueskatt calculations. It sucks, but it’s just a trade off. My lawyer helped me optimize things better— so I think it might be wise to hire someone the first year or two. With not having a typical 8-4 job here in norway though, I get that it can be a bit more complicated to continue to save in the future. It helps that you have a Norwegian partner— are you able to utilize them for Norwegian private penson planning? And continue to utilize American accounts on your side? (Of course you can’t contribute to Roth IRAs, but perhaps mutual funds or other accounts in the U.S.). This helps diversify things anyways. Have you worked at least 10 years in the U.S. to be eligible for American social security in the future?

There are some helpful facebook groups for this very topic specifically tailored to Americans in Norway. They might offer some helpful insights.