ENVIR Advocaten

Public Law Department

Current View:

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