Arlanda Airport is about 20 minutes from Stockholm city. The easiest way to travel is by airport buses and the first stop is Stockholm Central Station, which is just outside the Stockholm Waterfront Congress Center.
We can recommend:
Taxi Stockholm: +46 (0)8-15 00 00
Taxi Kurir: +46 (0)8-30 00 00
Sverige Taxi: +46 (0)20-20 20 20
MTR Express: www.mtrexpress.se
Stockholm has a well-developed public transportation network. For more information, see: https://sl.se/en/