When you’re going to work abroad or taking on foreign employees it is important to put a number of affairs in order. Zirkzee & Den Os auditors and international tax lawyers in Leiden can assist you in applying for the attractive 30% ruling, employment permits and residence permits. Zirkzee & Den Os auditors and international tax lawyers in Leiden is part of the Expat Benefits Group. Furthermore Zirkzee & Den Os auditors and international tax lawyers in Leiden can take care of your entire business administration, including pay-roll, payments and invoicing and if necessary certification of your annual accounts.