Eirik is affiliated with the practice group for tax law at Kluge Advokatfirma. For many years, he has assisted companies by ongoing advisory services for tax questions related to transactions, appeals and litigation assignments. During the past 15 years, he has assisted oil companies with questions related to petroleum taxation. Eirik is also a well-known lecturer and author of articles on tax law topics.
Beyond this, he has also assisted Norwegian and foreign companies in the areas of tax law and general business law. From 2011, he has also litigated tax cases for Tax Region East, Central Tax Office for Large Enterprises and Central Tax Office for Foreign Tax Affairs in the following categories: transfer pricing, international taxation, large complex cases and general cases.