Originally Posted by jacob_m
Yes they have a frequent traveller program called Commeo, they also sell cards allowing 6 or 12 months of unlimited travels which also include other benefits such as free coffee and free tickets to the cinema cars on the nighttrains.
Did you know SJ has lounge as well? Yes there is one at Stockholm C, on the balcony in the central hall.
There is another one in Gothenburg.
Well, Commeo is not a frequent traveler program open to the general public. To become a member your company must have a corporate agreement with SJ.