ENVIR ADVOCATEN
Romkeslaan 59
8933 AR Leeuwarden
T +31 20 236 10 24
F +31 20 796 92 22

ENVIR ADVOCATEN
Jan van Goyenkade 10 III
1075 HP Amsterdam
T +31 20 737 20 66
F +31 20 796 92 22

ENVIR Advocaten is the specialist in the fields of administrative law and environmental and planning law. Together, ENVIR’s lawyer have over 30 years of experience working in these legal fields at the highest level.

We know that the best legal solution need not always be the best solution for you. That is why we also have a keen eye for other interests. In addition to resolving problems and conducting litigation, we are also able to identify opportunities and risks at an early stage. What this means for you is that ENVIR can be an important sparring partner and adviser that actively and proactively helps you find solutions. Read more »

ENVIR Advocaten is the specialist in the fields of administrative law and environmental law.

Marieke Kaajan

Marieke Kaajan is a lawyer, partner and one of the founders of ENVIR Advocaten. Read publications by Marieke Kajaan »

Fleur Onrust

Fleur Onrust is a lawyer, partner and one of the founders of ENVIR AdvocatenRead publications by Fleur Onrust »

Iris Kieft

Iris Kieft is a lawyer and partner of ENVIR Advocaten. Read publications by Iris Kieft »

Erwin Noordover

Erwin Noordover is a lawyer and partner of ENVIR Advocaten. Read publications by Erwin Noordover »

Derek Sietses Home

Derek Sietses is a lawyer and partner of ENVIR Advocaten.

The ENVIR Advocaten team is appreciated for its ‘highly qualified specialists who are very easy to work with’.

Legal 500 – EMEA 2019

What the team is known for: Broad industry knowledge representing private sector clients from the energy field, as well as public sector clients such as municipalities and provinces. Noted for its extensive expertise of nature protection and conservation matters. Also represents clients in sensitive disputes concerning permits and developments. Has expanded the team with several new hires during 2019.

Chambers, 2020

Iris Kieft is ‘knowledgeable and balanced’ and she ‘is very good at dealing with authorities’.

Legal 500 – EMEA 2019

Fleur Onrust is skilled at handling administrative law issues and environmental matters. Additionally she represents clients in sensitive litigation and advises on nature conservation.

Chambers, 2020

The ENVIR Advocaten team provides ‘truly high standards and more than value for money’.

Legal 500 – EMEA 2019

Marieke Kaajan represents clients in compensation disputes arising from construction projects, and also advises on environmental and pollution matters. Interviewees also report: ‘She is very well respected when it comes to nature conservation law.’

Chambers, 2020

One client appreciates the team’s ‘good tactical approach,’ further adding: ‘The lawyers were very pragmatic and helped us find solutions.’

Chambers, 2020

ENVIR Advocaten has a new visiting address!

As per 19 March 2020, the Amsterdam office of ENVIR Advocaten is located at Jan van Goyenkade 10 III, 1075 HP Amsterdam. Our email addresses, phone numbers and P.O. box remain unchanged. In Leeuwarden, our visiting address continues to be Romkeslaan 59, 8933 AR Leeuwarden.