
Construction boutique Duet advocaten B.V. advises public-sector bodies on the full lifecycle of construction projects, focusing particularly on the rail, energy and infrastructure sectors. Daniel Santurio González specialises in contracting strategies, while Nienke Keus-Goldberg often litigates before civil courts and handles arbitration proceedings. Giulia van den Beuken is noted for her work drafting tender documents, contracts and terms and conditions. Sanne Groenwold focuses on construction and procurement disputes and also handles tender procedures. Eveline Snijders advises on rail and public transport projects. Christina Muntinghe joined the firm.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Billing & efficiency
Client satisfaction: Sector knowledge
Testimonials
Collated independently by Legal 500 research team.
- ‘The team of Duet Advocaten is ambitious, professional, involved and fun with a real passion for the job they do and the projects they are working on.’
- ‘Martijn Claassen is a great lawyer and hugely knowledgeable in construction law and procurement law. Daniel Santurio González and Sanne Groenwold are very involved and professional partners that immediately help once there is a potential issue.’
- ‘The people of Duet really think along with the client. They think in possibilities and really consider the underlying interests of the client.’
- ‘Daniel Santurio González, Eveline Snijders, Sanne Groenwold and Zara Gulikers are experts in their field, friendly, and reliable.'
- ‘We appreciate the dedicated expert Dutch construction law advice. We especially value the practical no nonsense legal advice from their lawyers who are also engineers, which makes discussing technical construction disputes more natural and easier.’
- ‘Daniel Santurio González and Misha Leppers distinguish themselves by being expert Dutch construction law lawyers with a technical engineering degrees, which makes them really understand the technical scope/issues that is very beneficial for their legal advice.’
Key clients
- The State of the Netherlands
- Ministry of Infrastructure and Water Management
- Directorate-General for Public Works and Water Management (Rijkswaterstaat)
- Ministry of Housing and Spatial Planning
- Central Government Real Estate Agency (Rijksvastgoedbedrijf)
- Ministry of Justice and Security
- Dutch Custodial Institutions Agency (Dienst Justitiële Inrichtingen)
- Province of Utrecht
- Province of Friesland
- Province of South Holland
- Municipality of Amsterdam
- Municipality of The Hague
Work highlights
Advised the State of the Netherlands, Ministry of Housing and Spatial Planning, Central Government Real Estate Agency on the contracting process regarding the major renovation of the eight-century-old monumental Binnenhof complex.
Advised NRG Pallas B.V. on the tender and contracting process regarding the construction of the Pallas Reactor.
Advised the Municipality of Amsterdam, Department of Infrastructure and Energy, on the new public transport connection between the city and Schiphol airport.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Practice head
Daniel Santurio González; Nienke Keus-Goldberg; Giulia van den Beuken; Sanne Groenwold; Eveline Snijders
Other key lawyers
Martijn Claassen; Zara Gulikers; Christina Muntinghe



