If you are about to start up a business in Sweden, make sure you register your business on verksamt.se
You can start a business in Sweden as:
Most businesses active in Sweden apply for approval for Swedish F-tax. When your business is approved for F-tax, your customers do not have to deduct taxes on payments made to you for work performed in Sweden.
Once you have registered your business with the Swedish Companies Registration Office (Bolagsverket), you need to register with the Swedish Tax Agency for taxation purposes.
Depending on the nature of your business, you may need to register for VAT (Value added tax, Swedish: Mervärdesskatt, Moms) and/or as an employer for PAYE.
If your business is liable for VAT, you are required to register for VAT. If you have employees (including yourself if you are working for a limited liability company) you need to register as an employer for Pay As You Earn (PAYE).
"Starting a business in Sweden part 1-3” are three individual online seminars, free of charge. The seminars provide you with basic information that you need to know about taxes and fees and how to report and pay them. Learn how to register your business, how to manage incomes and costs, how to use Skatteverket’s online services and how to submit returns. The seminars are broadcasted live, so you will have the opportunity to ask questions in our live chat. All business forms are welcome to join, but focus will be on tax rules for Limited companies and Sole traders. You do not need to follow the seminars in an order, but it is advisable to start with part 1 if you are less experienced in running a business.