LAWYER PROFILE
Marius Ionescu

Marius Ionescu

Europe 2026

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Ranked in 1 practice area

Contributions and articles

2 Articles, Press releases, highlights

About

Provided by Nestor Nestor Diculescu Kingston Petersen

Practice Areas

Tax Advisory Services

Career

Marius Ionescu is Co-Head of NNDKP Tax Advisory Services and has 28 years of professional experience in tax consultancy.

He has been a Tax Partner at the firm since 2008.

Over the course of his professional career, Marius has led numerous projects that focused on providing strategic advice to clients across a wide range of industries on assessing structuring options to enhance tax efficiency. His practice also includes advising clients on Romanian tax aspects of domestic and cross-border M&A and corporate restructurings, as well as assisting them in navigating the complexities of tax audits and resolving various contentious matters. Additionally, Marius regularly supports clients in tax compliance initiatives and in implementing efficient and sustainable tax functions.

His experience in the tax field is reflected in a strong portfolio of high-calibre clients across various industries, including energy, manufacturing, real estate, distribution, retail, mining, automotive, investments funds.

He is a member of the working groups advising the Ministry of Finance on the amendment of the Romanian Tax Code.

Also, he is one of the coordinators of NNDKP’s Center of Excellence in Fiscal Disputes (CELF).

Prior to joining the firm, his career included collaborations with Big Four companies.

Professional Memberships

Romanian Chamber of Tax Advisors

Chambers Review

Provided by Chambers

Chambers European Guide

Tax: Consultants - Romania

Band 2
Band 2

Individual Editorial

Marius Ionescu assists with a range of tax matters, often handling criminal investigations and tax audits. He co-heads the law firm's advisory tax offering.

Strengths

Provided by Chambers

  • Marius Ionescu is a well-known professional with very good technical skills.

    Tax: ConsultantsChambers European Guide

Ranked Individuals at Nestor Nestor Diculescu Kingston Petersen (22)

Romania

Articles, Highlights and Press Releases

2 items provided by Nestor Nestor Diculescu Kingston Petersen

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