Construction

Duet advocaten B.V.

Duet advocaten B.V. is specialised in representing clients in cases regarding construction and procurement law. The firm is one of the two new law firms resulting from the demerger of Croon advocaten N.V. in January 2024, with former practice heads Daniel Santurio González and Nienke Keus-Goldberg setting up a new construction specialised firm. The practice largely works for public and semi-public entities, assisting municipalities with their construction projects across the Netherlands. The firm has also has expertise in nuclear projects which is led by Santurio González alongside his work advising clients on complex construction projects and tender procedures. Keus-Goldberg is a seasoned litigator before civil courts and specialises in construction and procurement law and oversees complex infrastructural projects. Giulia van den Beuken is also noted for her all-round expertise.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

‘I worked mostly with Giulia van den Beuken. She is a highly intelligent lawyer, dedicated and easily accessible. It was a pleasure working with her due to her diverse skill set and capabilities to quickly master the situation at hand.'
‘What strikes me is the genuine interest in the (scientific) background of legal issues. Together with Sanne Groenwold, I have lectured several times on the doctrine of unforeseen and cost-increasing circumstances in construction contract law. Sanne has not only an excellent understanding of the theoretical side of the doctrine of unforeseen and cost-increasing circumstances, but can also advise her clients pragmatically and very solution-oriented. I am convinced that Duet Advocaten is able to do this because it really understands how construction practice works.’
‘Nienke Keus thinks proactively with the client and has high knowledge of the full spectrum of procurement and construction law. She is easily accessible and has a very efficient way of working. Giulia van den Beuken and Sanne Groenwold are very pleasant to work with. On large construction projects they work in in close collaboration with their clients on the construction sight. They are also known specialists in the design and execution of healthcare tendering processes and have high knowledge of jurisprudence in that field. Daniel Santurio González is easily accessible, and thinks along well in scenarios and possibilities.’
‘Daniel Santurio González possesses a rare combination of having a tremendous amount of expertise and experience while being candid and respectful. A pleasure to work with and great to learn from. Sanne Groenwold is very reliable, proficient and professional. She is a great addition to any team.’
‘The individuals are approachable, fast in response with a well balanced work allocation between partner and associate. Especially Nienke Keus-Goldberg can empathize with the case and give the accurate legal advice.’
‘Duet has very strong and dedicated legal knowledge on construction and procurement law. As Duet is involved in nearly all major infrastructure projects in the Netherlands, it has wide experience in applying their legal knowledge in practice. Duet has the knowledge and experience to represent their clients in court cases (conflict solving), but also to take part in project organisations and advise on legal aspects in contract preparation (conflict prevention). Duet perfectly manages to balance between monitoring legal possibilities and boundaries on one hand with practical applicability on the other hand. As such, Duet can provide high added value for their clients. ’
‘Individuals of Duet have strong legal knowledge and show strong commitment to the client. Additionally, employees have strong knowledge on how project organisations in public environments work and know how legal advise can serve rather than obstruct projects. Most employees even have knowledge on engineering aspects of infrastructure projects, for instance Daniel Santurio Gonzalez. Lawyers show high flexibility which serves the demanding and continuously changing environments of large infrastructure projects.’
‘The person I've worked with the most is Giulia van den Beuken. Her knowledge on EU procurement law is very comprehensive. She stands out by substantiating her advise and legal documents in a very clear and understandable way. She also knows how to approach matters very hands-on and always finds a pragmatic way to satisfy your needs. ’

Key clients

Directorate-General for Public Works and Water Management (Rijkswaterstaat)
Central Government Real Estate Agency (Rijksvastgoedbedrijf)
Ministry of Infrastructure and Water Management
Foundation for the Preparation of the PALLAS-reactor (Stichting Voorbereiding Pallas-reactor)
Province of Utrecht
Municipality of Amsterdam
Municipality of The Hague
Municipality of Leeuwarden
Corporate Tender Board
Hospital “Wilhelmina Ziekenhuis Assen"

Work highlights

Advising the Central Government Real Estate Agency on the contracting process regarding the major renovation of the eight-century-old monumental “Binnenhof” complex in the centre of The Hague.
Advising PALLAS on the tender and contracting process regarding the construction of the PALLAS Reactor, the new medical isotopes reactor that will replace the 60-year-old High Flux Reactor in Petten.
Advising the municipality of Amsterdam regarding the “Energie voor de Stad” (Energy for the City) project, aimed to transition the Municipality of Amsterdam towards a climate (CO2) neutral city by 2050.