Aldo Mariani

Started practicing in 1994, joined the partnership in 2004. Currently leading the tax controversy & litigation practice in the Netherlands and also head of KPMG internationals tax controversy & dispute resolution services. Focus on representing clients in tax disputes both domestic and international, in structuring defense files, supporting clients through tax audits, settlements, MAP and tax litigations. Attorney at law (advocaat) admitted to the Dutch Bar.

• Representing client in large tax litigation involving both tax and criminal issues
• Representing client in complex dispute involving international tax aspects
• Succesful MAP case conclusion involving tax treaty interpretation matters and transfer pricing

Dispute resolution: 

• Arbitration
• Audit defence
• Audit support
• Controversy management
• Dispute resolution
• Litigation
• MAPs/ADRs
• Pre-litigation
• State aid

• Automotive
• Construction and materials
• Food and beverage
• Gaming
• Healthcare
• Industrials
• Insurance
• Natural resources
• Pharmaceutical and life sciences

• LLM Tax law, Rijksuniversiteit Groningen, 1994
• LLM Notarial Law, Rijksuniversiteit Groningen, 1994

• Dutch Association of Tax Advisors (NOB), 1994
• Member of the disciplinary board NOB, 2025

• Dutch Bar (NOVA), 2015