I don't know for sure. But not something very aggressive. I thought IKEA should be a Wonder (Cottages, Hamlets and Villages gets +100% growth) (Could also be a Corp, which subsitutes Creative Constructions).
Systembolaget" is already though of, but what is so unique with that? I'm not a swede, but as a norwegian I wouldn't know a suitable UU or UB for Norway either.
Most Important thing is the game balance.
A Scandinavian Warrior with strength 4 move 2 as though of before would be broken for certain.