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. Read publications by Derek Sietses »

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

‘At ENVIR they combine the quality services of a top tier firm with the personal attention of the partners of a boutique firm’.

Legal 500 – EMEA 2020

‘Iris Kieft is very knowledgeable on sustainability; speaks the language of the client and understands the client’s business’.

Legal 500 – EMEA 2020

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

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

Chambers, 2020

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

‘The team is very experienced, hands on and understands the business needs of the client and translate that into practical advice’.

Legal 500 – EMEA 2020