BREXIT: British cross-border commuters in the Öresund region
British citizens who live and work in the Öresund region before the 1st January 2021 will retain their rights to live and work in Sweden and Denmark on the same terms as before Brexit. However, starting in 2021, new documentation will be required.
Paying tax - what to do when you get a job in Sweden
When you work in Sweden, you must pay tax in Sweden. You must have a “coordination number” (Samordningsnummer) from Skatteverket, which is the Swedish Tax Authority, in the municipality of your place of work, and you must also decide whether you want to pay "SINK tax" or ordinary Swedish tax.