Fleur Onrust > ENVIR Advocaten > Amsterdam, Netherlands > Lawyer Profile

ENVIR Advocaten
Jan van Goyenkade 10 III
1075 HP Amsterdam

Work Department

Administrative law, environmental law, nature conservation law and environmental due diligence


Fleur Onrust is partner and co-founder of Envir Advocaten. Fleur Onrust represents clients in matters before municipalities, provincial authorities, district courts and the Dutch Administrative High Court and acts as a legal advisor for corporations, large foundations and governmental bodies. Fleur is a deputy judge at the Overijssel District Court for the department of environmental law.

Fleur has 16 years of experience practicing administrative law with specific expertise on administrative enforcement, regulations and subsidies. A recent example is the successful representation of a large corporation in order to safeguard the functioning of their business in the vital sector servicing 20,000 households against the backdrop of COVID-19.

Fleur Onrust is a well-known expert on protected species regulations. Fleur advises corporations and governments where the presence of protected species jeopardizes the advancement of large development projects. Fleur Onrust also regularly partners with corporate lawyers in M&A and real estate transactions, conducting environmental and administrative law due diligence and advising on environmental and administrative law matters including soil and groundwater contamination.


2014-today Co-founder and partner at ENVIR Advocaten
2004-2014 Lawyer at Stibbe


Dutch, English


Dutch Environmental Lawyers Association


2008 Post-graduate Grotius specialization course in environmental law
2007 Mini MBA at INSEAD 
1998-2003 Master of Laws in Dutch and Notarial Law, University of Amsterdam
1998-2003 Master of Science in Political Science, University of Amsterdam

Lawyer Rankings

Netherlands > Environment and planning

(Next Generation Partners)

Fleur OnrustENVIR Advocaten

Boutique environmental specialist ENVIR Advocaten focuses entirely on public law. As an advisor to the government, the firm is well-positioned to advise on issues such as how to deal with nitrogen deposits in protected areas. Conservation law, zoning and planning are also key areas of focus. Marieke Kaajan  handles relevant permits for large industrial and sustainable energy projects. Fleur Onrust advises and litigates on spatial planning matters for businesses, developers and municipalities. Since publication, Iris Kieft left the firm.