Pieter Krop is specialised in enforcement issues and European labour migration. Pieter litigates with success for companies and private individuals that have been fined because of alleged violation of the Act on Employment of Foreigners. He also advises clients on compliance issues.

His clients are, amongst others, companies working in construction, hospitality services , small and medium enterprises and employment agencies. He also advises clients on cross border labor and all other aspects of labor immigration.

Pieter is included in the Who's Who Legal of Corporate Immigration Lawyers every year. The Who's Who Legal has approached Pieter's clients and they note the following about him: “His knowledge is very complete and up-to-date.” “We were very impressed by his flexibility and willingness to help investigate all possible options." "Pieter is quick to respond to questions and thorough with his answers and explanations". Read his biography in the Who's Who Legal of Corporate Immigration here.

He obtained his Ph.D. from the University of Amsterdam in 2014. The topic of his dissertation is the enforcement of illegal employment. He is a regular contributor for several academic magazines and teaches on labour migration at the University of Amsterdam. Pieter writes the comments on the Employer Sanctions Directive for the Sdu commentary on the Wet arbeid vreemdelingen (Alien Employment Act), and on the EU Blue Card Directive.

in: JV 2022, 178

in: JV 2020, 109

in: JV 2020, 102

in: JV 2020, 96

P.J. Krop en H. Verbaten in: JNVR 2019, 3

in: JV 2019, 185

in: JV2019, 13

in: JV 2018, 114.

in: JV 2018, 74.

in: Bouwrecht, nr. 1, 2018.
Scientific publication on penalties (Dutch): Cumulatie van strafsancties, verblijfsrechtelijke en nationaliteitssancties in Nederland’, in: Rozie, J., Rutten, S. & Van Oevelen, A. (eds), Samenloop van strafrechtelijke, privaatrechtelijke en bestuurlijke sancties, Intersentia, Antwerpen – Cambridge, 2017

in: JV 2017, 196.

in: JV 2016, 270.
Contribution to: Zwaan, Terlouw, Strik, Oosterom-Staples, de Lange, Krop, de Hart, Grütters, Fernhout, The Dutch migration law, Boom Juridische Uitgevers, Den Haag 2016

in: JV 2016, 173.

in: A&MR 2016, nr. 4.

in: JV 2015, 61.

Legal Journal on Employment Law, 2014, nr. 12.
Contribution to: M. Mazzeschi, Mobility of non-EU workers within EU. Implementing Vander Elst, LexisNexis, 2014.

in RV: 2013, nr. 50.

in: RV 2012, nr. 45.

in: RV 2010, nr. 47.

in: JV 2011, 401.

in: NJB, 2010, nr. 23.

in: SEW  2010, nr. 182.

in: JV 2010, 248.

Netherlands Labor Inspectorate: employers accept fines when using third-country nationals.

When assessing the application to become IND recognized sponsor, the IND has been guilty of ethnic profiling.

Brexit and the work permit requirement

Golden Visa. The trade in Dutch visas.

Minstry of Social Affairs unrightfully impose high penalties for illegally employing foreigners.

Secretary of State must amend height penalties.

Pieter Krop has registered the following principal legal practice areas in the Netherlands Bar's register of legal practice areas (rechtsgebiedenregister):

* Immigration law

Based on this registration, Pieter Krop is required to obtain ten training credits per calendar year in each registered principal legal practice area in accordance with the standards set by the Netherlands Bar.