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Key contacts
International tax partner: Michiel Maas
Quick facts
Partners

16+ (tax and legal)

Other qualified practitioners

140+

Total number of practitioners

800+

Practitioners (worldwide)

80,000

Key practice areas
General corporate tax
Indirect tax
Tax
Tax controversy
Transactional tax
Transfer pricing
Firm overview

Grant Thornton is a global professional services network founded in 1924 in the United States, now operating in over 150 markets with more than 80,000 professionals. The organization has experienced strong international growth, supported by a global network generating $8.5 billion in revenue for the year ending September 30, 2025.

In 2025, Grant Thornton Netherlands joined a multinational platform alongside Grant Thornton US and Ireland, supported by New Mountain Capital. This platform, with nearly 13,000 professionals across 60 offices, strengthens cross-border service delivery and enables enhanced quality, innovation, and client-centric solutions. Within the Netherlands, the firm employs around 800 professionals across eight offices, including over 140 tax and legal specialists. Legal services are now fully integrated into the tax practice, enabling a multidisciplinary service offering.

The firm focuses on key industries such as financial services, healthcare, real estate, transport and logistics, and private wealth. A notable initiative is the Financial Services sector focus launched in 2025, combining expertise in compliance, ESG reporting, risk advisory, and governance. Additionally, the Asian Desk, led by Tax Director Yulai Xu, supports cross-border business between Europe and Asia.

Grant Thornton Netherlands offers a broad range of tax services, including international corporate tax, M&A, transfer pricing, VAT, and sustainability tax. The firm actively collaborates with Dutch tax authorities, particularly in DAC6 policy development.

Sustainability tax has become a core focus, helping clients balance financial performance with regulatory compliance. Services include securing tax incentives, managing ESG reporting (CSRD), and addressing complex regulatory frameworks such as CBAM and EUDR.

The firm also has a strong transaction advisory practice, ranking in M&A league tables for both financial due diligence and tax advisory. Its transfer pricing team continues to grow, supported by international collaboration and strong demand for consulting and controversy services.

Overall, Grant Thornton Netherlands combines global reach with local expertise to deliver integrated, high-quality advisory services across industries.

Practice Areas & Sector Specialisations

Sector expertise: 

  • Accounting
  • Agriculture
  • Automotive
  • Construction and materials
  • Consumer goods and services
  • Energy
  • Financial services
  • Food and beverage
  • Gaming
  • Healthcare
  • Industrials
  • Insurance
  • Investment management
  • Media
  • Natural resources
  • Pharmaceutical and life sciences
  • Real estate
  • Shipping
  • Transport
Connect with us
Key practice areas

Compliance management

  • Business model optimisation
  • Economic modelling
  • Policy design
  • IP management
  • Technology services

Corporate tax matters

  • Cross-border project management
  • Restructuring
  • Cost-sharing arrangements
  • APAs
  • Transactions
  • M&A
  • Environmental
  • Financial services
  • Corporate taxes
  • Technology
  • Value chains

Dispute resolution

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

Tax advisory

  • Tax consulting
  • International tax advisory
  • US Inbound
  • US Outbound

Indirect tax

  • VAT
  • GST
  • Customs
  • Supply chains
Key practice contacts

International Tax Services
Jurgen van Hattum
Partner
jurgen.van.hattum@nl.gt.com

Monique Pisters
Head of Tax
monique.pisters@nl.gt.com

Global mobility services
Sander Agterhof
Tax partner
sander.agterhof@nl.gt.com

Value Added Tax
Robert-Jan Brethouwer
Partner
robert-jan.brethouwer@nl.gt.com

Ronald Bergenhenegouwen
Senior Advisor
ronald.bergenhenegouwen@nl.gt.com

Transfer Pricing
Charles Marais
Head of TP
charles.marais@nl.gt.com

Transaction Services
Wilfred van der Lee
Partner
wilfred.vander.lee@nl.gt.com

Other offices

Amsterdam Office
De Passage 150
1101 AX Amsterdam

Alphen aan den Rijn Office
Flemingweg 10
2408 AV Alphen aan den Rijn

Arnhem Office
Building 026, 4e etage, Koningstraat 30-2
6811 DG Arnhem

Gouda Office
Burgemeester Jamesplein 1, 10e etage
2803 PG Gouda

Hague Office
Koninginnegracht 19, unit 0.19
2514 AB Den Haag

Leiden Office
Vondellaan 47
2332 AA Leiden

Rotterdam Office
Gedempte Zalmhaven 4 E
3011 BT Rotterdam

Address:
De Passage 150 Amsterdam
South-Holland, 1101 AX
Tel:+31 (0) 88 676 9000 Email:Contact Us Web Address:https://www.grantthornton.nl/en/
2027 Edition
General corporate tax
36 firms ranked
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Indirect tax
20 firms ranked
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Tax controversy
18 firms ranked
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Transactional tax
29 firms ranked
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Transfer pricing
29 firms ranked
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Overview

Grant Thornton assists its clients with tax advice in international taxation, restructuring, cross border transactions and indirect taxation. For its Dutch clients, the firm also assists in general corporate tax as well as estate planning and private client services. The firm’s transactional tax team head is Jurgen van Hattum and the international tax specialist is Michiel Maas. Partner Monique Pisters is the head of taxation. Partner Sander Agterhof and director Jochem Calis are the global mobility specialists.  

During the research cycle the practice prepared detailed VAT transaction mapping and obtained an import VAT refund from the Dutch tax authorities for Chiaro. It also developed OECD-compliant transfer pricing documentation for multiple divisions of a large multinational corporation.  

Partner Stefanie Thonhauser arrived from PKF Wallast on January 1st, 2025, and director Tim Kok joined the firm from PwC in June 2024.  

Client feedback  

‘’They assist us professionally with second opinion on certain tax matters and also with tax controversy.’’

Linked Reviews
Tax

Grant Thornton assists its clients with tax advice in international taxation, restructuring, cross border transactions and indirect taxation. For its Dutch clients, the firm also assists in general corporate tax as well as estate planning and private client services. The firm is led by partner Monique Pisters, who is assisted by transactional tax team head Jurgen van Hattum and international tax specialist Onno Backx.

During the research cycle, the tax practice handled a Dutch dividend withholding tax mandate and provided a risk assessment for an international group pertaining to OECD Pillar Two rules.

Awards
It was another banner year for Deloitte, which picked up more awards than any other firm at a gala ceremony held at The Londoner in Leicester Square
Grant Thornton Advisors’ latest acquisition has produced the fifth-largest US advisory firm by revenue, but there’s still a clear gulf between it and the big four
The private equity-backed deal hands Grant Thornton immediate and impressive US scale, but World Tax data suggests the firm still has work to do to gain recognition
While rarely the sole driver of a combination, tax is becoming an increasingly important part of firms' efforts to keep up with client expectations
Grant Thornton advanced plans to integrate its Australian firm into its US arm, as tax developments spanned law firm hires, aviation levies and digital services taxes
Booming APA statistics reflect the growing credibility of India’s TP framework and the country’s shift toward a tax certainty approach, ITR has heard
New reforms represent the most seismic shift in Canadian TP legislation since its enactment and a clear inflection point for MNEs, ITR has heard
Partners are divided on Italy vs PDM D’s analytical depth, evidentiary standards, and what the judgment signals for future intra-group financing cases
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