The Swedish withholding tax on dividends is 30% for non-residents.
Investors living in countries with which Sweden has signed a treaty for the avoidance of double taxation are generally entitled to relief at source.
If the withholding tax is not reduced at source, a claim for refund can be filed with the National Swedish Tax Agency (Skatteverket, SKV) within five years after the year in which the dividend was paid. Standard forms must be used.
Claims for refunds should be sent to Danske Bank or directly to the SKV.
Either your client or you must fill in the proper tax reclaim forms according to the instructions given therein. The forms may be obtained from the SKV or Danske Bank.