He specialises in administrative (procedural) law in general and, in particular, zoning and environmental law. He is regularly active in the overlapping area of public and private law. He focuses on infrastructure development, (urban) redevelopment, office building transformation, land exploitation, loss arising from government planning decisions, environment quality requirements and subsidies.
He advises both public authorities and private companies, including property developers, investors and housing corporations.
Guido is a lecturer at the Dutch Real Estate Institute and the Law Firm School. He also publishes regularly in legal journals, such as the Rechtspraak Vastgoedrecht. 
Guido is co-author of the book 'Building in the Netherlands’. This publication is intended to be a handy overview of the most important legal and tax facets of and for Dutch building and development practice. The publication is the result of a joint effort made by various Loyens & Loeff attorneys-at-law, tax advisers and civil law notaries in different disciplines, who pooled together their expertise and experience.

Contributions

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Memberships

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Post-doctoral specialisation in Zoning and Environmental Law, Grotius Academy, 2006 (with honours)
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Dutch law, University of Amsterdam, 2001
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Qualifications

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Post-doctoral specialisation in Zoning and Environmental Law, Grotius Academy, 2006 (with honours)
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Dutch law, University of Amsterdam, 2001

What others say

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"Guido Koop is an exceptionally skilled lawyer who not only quickly understands the core of the matter but is also able to translate that into actionable advice for the business. Guido is hands-on, always ready to support, and a great team player. He is a strong strategic thinker, sees the bigger picture, and always delivers his legal advice in a clear and concise manner. Laurien Knorringa is an excellent lawyer with a promising future."
Legal 500 - EMEA (2026)
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"Guido Koop is an all-round specialist in the field of environmental and planning"
Legal 500 - EMEA (2026)
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"Working with Jan de Heer and Guido Koop has been a consistently positive experience."
Legal 500 - EMEA (2026)
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"(especially Guido Koop) is effortless, they really go the extra mile and you can count on them"
Legal 500 - EMEA (2026)
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"Guido Koop - you can rely on him."
Legal 500 - EMEA (2026)
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"Guido Koop, Nanne Kusters, and Jan de Heer embody professionalism, legal excellence, and a collaborative, approachable mindset."
Legal 500 - EMEA (2026)
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"I work mostly with Guido Koop, who is always quick and willing to think outside the box."
Legal 500 - EMEA (2025)
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"Guido Koop is a dedicated and highly knowledgeable lawyer, and he is very pleasant to work with."
Chambers & Partners - Europe (2024)
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"He has a good grasp on spatial planning and is able to offer practical advice on the current regulations."
Chambers & Partners - Europe (2024)
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"Guido Koop and Jan de Heer are great sparring partners for us."
Legal 500 - EMEA (2024)
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"Guido Koop proved to be of great value to the project. Guido demonstrated immense in-depth knowledge on both local and national cases and was able to translate these insights to practical solutions that were beneficial to all parties involved."
Legal 500 - EMEA (2024)
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Guido Koop named "Practice head" in Environment and Planning
Legal 500 - EMEA (2024)
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"Involved, dedicated and able to combine knowledge with commercial tact."
Chambers & Partners - Europe (2023)
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Guido Koop named "Practice head" in Industry Focus: Food
Legal 500 - EMEA (2023)
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‘Guido Koop and Jan de Heer stand out. Of course there is a team of legal experts behind them.’
Legal 500 - EMEA (2023)
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Guido Koop named "Practice head" in Environment and Planning
Legal 500 - EMEA (2023)
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‘My contact Guido Koop has, besides knowledge and legal skills, a keen sense of what help is needed and how to navigate complex political situations.‘
Legal 500 - EMEA (2022)
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Guido Koop is recognised as Recommended in Environment
Who's Who Legal - (2022)
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Guido Koop

Partner - Attorney at Law

guido.koop@loyensloeff.com

Amsterdam

Dutch, English

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<p>Guido Koop, attorney at law, is a member of the Competition & Regulatory practice group.</p>

He specialises in administrative (procedural) law in general and, in particular, zoning and environmental law. He is regularly active in the overlapping area of public and private law. He focuses on infrastructure development, (urban) redevelopment, office building transformation, land exploitation, loss arising from government planning decisions, environment quality requirements and subsidies.
He advises both public authorities and private companies, including property developers, investors and housing corporations.
Guido is a lecturer at the Dutch Real Estate Institute and the Law Firm School. He also publishes regularly in legal journals, such as the Rechtspraak Vastgoedrecht. 
Guido is co-author of the book 'Building in the Netherlands’. This publication is intended to be a handy overview of the most important legal and tax facets of and for Dutch building and development practice. The publication is the result of a joint effort made by various Loyens & Loeff attorneys-at-law, tax advisers and civil law notaries in different disciplines, who pooled together their expertise and experience.