Nicolai Mallet advises on general commercial law with main emphasis on commercial contracts, project management, M&A, company law and employment law. He is a member of a number of company boards and serves as strategic advisor for various Danish and German commercial undertakings and organisations. Since 2000, Nicolai has had special focus on development, sale and financing of wind turbine and solar energy projects within the EU.

Nicolai is an experienced litigator having conducted a wide range of cases before the courts. He has been appointed legal counsel for Prime Minister Lars Løkke Rasmussen and the former Minister of Tax Peter Christensen in the investigation commissions set up by the government (the Farum Commission, the Stateless Commission and the Tax Commission). Nicolai also advises companies within professional sports, in which connection he has conducted various national and international arbitration proceedings.

Nicolai is mentioned in the following international directories:
Chambers - Banking & Finance - Foreign expert for Germany