Duet advocaten B.V.

Construction and public procurement

Nienke has specific expertise in the field of forms of cooperation in complex construction and renovation projects. For such projects, she drafts the tender documents and contracts and supervises the tendering procedures.

Examples of projects in which Nienke has been involved include the strengthening of the Markermeer dykes for Hoogheemraadschap Hollands Noorderkwartier, the dismantling and decontamination of the phosphorus factory Thermphos, the renovation of the Dom tower, the renovation of Lelylaan railway station and various tenders for the Programme Approach to Road Tunnels Amsterdam, such as the new Amsterdam Traffic Control Centre and the framework agreement on technical consultancy services for road tunnels.

Nienke also has particular affinity and years of experience in the procurement of care in the social domain (youth care and Wmo) and realistic rates. She has been a member of the Corporate Tender Board of Rijkswaterstaat since 2019, advising on the tenders and contract forms of the largest construction projects in the Netherlands.

Nienke has been ranked as "Leading Individual Construction 2023" in The Legal 500.

Nienke is partner at Duet advocaten since 2024. She is one of the three founders of Croon advocaten and was partner and construction and procurement law lawyer at Croon advocaten from 2009-2023. Croon advocaten has ceased to exist as a result of a demerger. Duet advocaten is one of the two new law firms as a result of this demerger. Nienke also was construction and procurement law lawyer at Pels Rijcken & Droogleever Fortuijn (2003-2009).

Dutch and English

Nienke is member of the  Dutch Association for Procurement Law (Nederlandse Vereniging voor Aanbestedingsrecht) and the Association of Construction Lawyers (Vereniging voor Bouwrecht Advocaten).

Nienke has a Dutch Law degree.