ENVIR Advocaten

Public Law

2 ranked lawyersNetherlandsEurope 2021 View ranking table

ENVIR Advocaten

Public Law

2 ranked lawyersNetherlandsEurope 2021 View ranking table
chambers review
department information
ranked lawyers
chambers review
department information
ranked lawyers

Chambers Review

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What the team is known for

Respected team covering a broad array of planning and environmental law, with a strong focus on nitrogen emissions legislation and EU regulations concerning nature conservation and habitat protection. Represents clients from the energy and construction sectors, as well as municipalities, in contentious and non-contentious zoning and permitting matters. Also assists clients with soil and groundwater pollution mandates.


One client praises the team's "outstanding knowledge, especially of nature conservation law," and goes on to add that the team "will not rest until they has achieved their clients' preferred results."

Another client appreciates the team's business-focused approach: "What I really like about ENVIR Advocaten is that we know each other and we know how to efficiently spend time."

Work highlights

Advised EEW Energy from Waste on the applications for nature and environment permits as part of the development of incineration lines, including representing the client in litigation against nature organisations.

Notable practitioners

Fleur Onrust is experienced in handling environmental permitting matters, as well as nature conservation and soil contamination mandates. She is particularly well respected for representing clients from the private and public sectors in contentious proceedings. One client comments: "She is pragmatic, acts fast and is very understanding of the needs of her clients."

Marieke Kaajan advises on contentious and non-contentious permitting and zoning matters. She offers additional experience in nitrogen emissions matters and EU environmental directives. One client enjoys working with her because she is "very well connected, nice, direct and very approachable."

Department Information

This content is provided by ENVIR Advocaten .


Public law boutique ENVIR Advocaten exclusively focuses on providing its clients with public law advice and support. 

Based in Amsterdam, ENVIR was founded in 2014 by partners Marieke Kaajan and Fleur Onrust. The firm continues to grow and has added Iris Kieft as a partner in 2018, Derek Sietses in 2019 and Marcel Soppe in 2021. ENVIR also opened its Leeuwarden office in 2019. Almelo based public law boutique Soppe Gundelach advocaten, headed by Marcel Soppe, joined ENVIR in 2021 and operates as ENVIR’s Almelo office.

ENVIR is recognised in the field as the specialist in environmental law, including nature conservation, (sustainable) energy, and zoning and planning. ENVIR is active in the renewable energy sector, including wind and solar. In addition, ENVIR advises on general administrative law issues and procedures (eg administrative enforcement and subsidies) and assists several corporate law firms in large M&A deals on administrative law, environmental and zoning aspects, such soil and groundwater contamination.

Clients are mainly companies and the (semi-)public sector, operating or involved in various sectors, such as energy (including renewable energy generation and wind energy), climate change, (chemical) industry, aviation, real estate, infrastructure, hospitality and health care.

The lawyers of ENVIR publish and teach frequently on several environmental and administrative law issues in legal periodicals and with renowned legal knowledge institutions.


Kaajan, Marieke

Kieft, Iris

Onrust, Fleur

Sietses, Derek

Soppe, Marcel



Climate Change

Energy & Natural Resources

EU Law

Health Care



Leisure & Hospitality

Public Law

Public Law – Planning & Environment

Public Law – Transactional

Real Estate

Public Law Department

ENVIR Advocaten

Department location

Jan van Goyenkade 10 III


North Holland


1075 HP

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Ranked Lawyers

This content is provided by Chambers based on our research. Learn more about our methodology.


Public Law: Planning and Environment

Fleur Onrust
Band 3
Marieke Kaajan
Band 2