Søren Lehmann Nielsen

Søren Lehmann Nielsen

Attorney-at-Law (H)
Partner
Søren is a partner in Plesner's Tax team, the market-leading law firm in Denmark for litigation concerning taxes and duties. The team handles the most complex and largest cases, drawing on creativity, experience and multidisciplinary teamwork.

Søren heads the teams involved in some of the firm's most complex cases. He argued his first case in the Danish Supreme Court more than 25 years ago and has a long track record across all areas of tax litigation, including transfer pricing, VAT, withholding tax and fundamental principles of tax law.

He is a trusted adviser who communicates clearly and maintains focus on clients' needs in litigation involving large teams, often in an international setting. Clients include listed companies, major enterprises, foundations, public authorities, pension funds and private individuals.

As a member of the tax committee of the Danish Bar and Law Society, Søren comments on draft legislation and draft guidance from the tax authorities. He is also a member of the supervisory board of the Danish branch of the International Fiscal Association and a former chairman of the Copenhagen Bar Association.

As a team leader, Søren is responsible for anticipating and responding to clients' needs and for making the strategic decisions that are essential in litigation.

He provides all clients with a clear overview of each stage of their case while ensuring that every team member has well-defined objectives and tasks, improving the overall efficiency of the process.

Chambers Europe ranks Søren as a leading individual, and Legal 500 has inducted him into its Hall of Fame.

Søren is admitted to the Supreme Court of Denmark. He holds a master's degree in law from Aarhus University and has also studied at Durham University in the United Kingdom.

Selected cases 

  • Successfully represented a number of UN retirees in landmark cases before the High Court
  • Successfully claimed a tax deduction for directors' liability before the High Court
  • Represented taxpayers in "beneficial owner" cases before the Supreme Court
  • Negotiated a favorable settlement in a transfer pricing litigation before the High Court
  • Presently engaged in a Supreme Court case on interpretation of tax treaties
  • Involved in cases on debt restructuring and VAT classification of investment funds
Ratings
Søren Lehmann Nielsen is ranked as a leading individual as regards Tax.

"Søren Lehmann Nielsen is down-to-earth and thoughtful"

"Søren is very well informed and handles matters in the right way"
2026
Chambers Europe
Søren Lehmann Nielsen has been inducted into the Legal 500 Hall of Fame as regards Tax. He is recommended as regards Tax.
2023 - 2026
Legal 500 - Hall of Fame
Søren Lehmann Nielsen is ranked as a leading individual as regards Tax.

"Søren Lehmann Nielsen is an exceptional attorney" (2024)
2019 - 2025
Chambers Europe
Søren Lehmann Nielsen is listed as "Highly Regarded" with respect to Indirect tax and Tax controversy.
2021 - 2024
World Tax