Marko Koski

Senior Advisor

Tax and Structuring​

Transport and Logistics

Marko Koski specialises in taxation law and assists our clients in the areas of indirect and direct taxation and customs legislation. Marko provides guidance in taxation questions related to M&A and structuring and he is experienced in assessing the tax risks in underwriting tax-specific policies and general W&I insurance policies for international insurers in relation to Finnish transactions and business.

Marko has also been involved in the drafting of tax and customs legislation and acted as the Finnish representative at the OECD and in several working groups of the European Commission.

HPP Attorneys (2016–)
Large Taxpayers’ Office (2010–2016)
National Board of Customs (1997–2010)
Helsinki District Court (1995–1997)

International Fiscal Association
Association of Finnish Tax Professionals
Greenlane – Trade and Customs Lawyers

University of Helsinki, LL.M. (1993)

Marko Koski

Senior Advisor

Tax and Structuring​

Transport and Logistics

2026