Pot Jonker Advocaten > Haarlem, Netherlands > Firm Profile

Pot Jonker Advocaten
Nieuwe Gracht 124
2011 NM Haarlem

Netherlands > Employment Tier 4

Haarlem-based firm Pot Jonker Advocaten advises multinationals on employment issues related to their Dutch operations and is skilled at handling both advisory and litigation work. In addition to domestic employment advice, the team also advises on cross-border matters, and has handled several notable whistleblower and dismissal cases. Practice head Muriel Middeldorp is a key name for transfer of undertaking issues, as well as matters involving dual positions of managing directors. Hester Tonino combines her expertise in healthcare, privacy, and employment to advise healthcare institutions on issues such as discrimination or negotiations with works councils. Martyn Top focuses on reorganisations, the termination of employment agreements, and employee participation.

Practice head(s):

Muriel Middeldorp

Other key lawyers:


‘I am very happy with the way Pot Jonker supported us. They worked quickly, with clear advice and solid actions for us to follow. We got concise, step-by-step labour law support, which was much appreciated by our team.’

‘We have come to fully trust and rely on Martyn Top’s advice, which is timely and solid. We’re so very happy to work with Martyn.’

‘Very approachable and able to convey complex material in a simple manner. Honest about the chances of success. In addition, they are always aware of the latest changes and proactively share this with their clients.’

‘Pragmatic and very strong in terms of content. They are also aware of their own limitations and, if necessary, can call in a colleague who is more specialised in a certain area of law. The client is the central focus and it is all about how they can best be represented.’

‘Fast and very understandable communication, pragmatism and great personalities to work with.’

‘I very much enjoy working with Muriel Middeldorp. Her knowledge, pragmatism and personality form a unique combination and make her stand out from competitors. It is a true pleasure having her and her colleagues as our lawyers.’

‘Muriel Middeldorp has very extensive knowledge and the ability to make difficult structures easy to understand.’

‘Martyn Top’s practical approach, problem-solving prowess, and commitment to effective communication makes him a great lawyer to work with. We look forward to continued collaboration with him in the future.’

Key clients

Amadeus Hospitality Netherlands BV

Apotheek der Haarlemse Ziekenhuizen


Belangenvereniging ‘Het Gilde van examinatoren bij het CBR’

Congregratie van OLV van Liefde van De Goede Herder in Nederland

Danish Crown Netherlands

Dutch Flower Group

European Cultural Foundation

Filippa K

Google Netherlands works council

Township Haarlemmermeer


De Hartekampgroep

Hoyng Rokh Monegier

HDI Global SE


Royal Kampert en Helm Rotaform

Levensmiddelenhuis NL

LiteBit (2525 Ventures)


Société des Produits Nestlé


Nieuw Unicum

Oldenburg Bonsel

Orthoclinics (the Knee Clinic)


PPG Coatings

Prologis Management

RedWave (formerly USG Energy)


Royal Ahold Delhaize (Albert Heijn)

Simon Levelt

Streeklaboratorium voor de Volksgezondheid Kennemerland

Stichting Het Raamwerk

Super Micro

TRS Staffing Solutions

Vibe Group

Viva! Zorggroep

Warner Music Benelux


Work highlights

  • Represented Congregratie van OLV van de Goede Herder in a court case where several women started proceedings against the Congregation claiming to have been the victims of forced labour/slavery.

Netherlands > Dispute resolution: Commercial litigation Tier 5

Haarlem-based firm Pot Jonker Advocaten‘s commercial litigation team is led by litigation expert Floris Diepraam and public procurement specialist Babette Blaisse-Verkooijen. The team mainly handles civil proceedings and is well versed in directors’ and officers’ liability cases. Oscar van der Pol aids clients in cases related to civil and administrative law, including public procurement disputes. Robbert Boesveld is an expert in government liability law and is a Supreme Court litigator.

Practice head(s):

Floris Diepraam; Babette Blaisse-Verkooijen

Other key lawyers:


‘They are very approachable and know how to quickly get to the main point and make it very clear. Through experience, they often know how to estimate the outcome, but also how to sketch out possible scenarios.’

‘Pragmatic and very strong in terms of content. The client is central and it is all about how they can best be represented.’

‘Hands-on lawyers with good knowledge of the business and excellent litigation skills in the commercial legal field, particularly Floris Diepraam.’

‘Legally very sound and good in litigation. Open to finding the best possible practical solutions. Good communicators.’

‘With Oscar van der Pol, we are dealing with a very knowledgeable and skilled person. He is very pleasant to deal with, easy to approach and well informed about what is going on in the industry. It is very clear what Oscar is going to do for us and what the outcome will be.’

‘The team are very pleasant to work with – they are quick in responding, provide up-to-date, quality advice, they know their client and billing is competitive.’

Key clients


Ballast Nedam

BEL Combination (organisational combination of the Blaricum, Eemnes and Laren municipalities)

Centraal Beheer

Dutch Flower Group

Municipality of Haarlem

Municipality of Haarlemmermeer

Klooster Euphrasia/Zusters van O.L.V. van Liefde van de Goede Herder




Royal Ahold Delhaize (Albert Heijn, Etos, Gall & Gall)

Royal BAM Group

Royal PostNL Group

Selmers Group

Snap-on Tools


VBM Ontwikkeling

Municipality of Zandvoort

Work highlights

  • Represented the Congegratie van OLV van de Goede Herder in multiple cases in the Netherlands related to several women who started proceedings against the Congregate claiming to have been the victims of forced labour during the time in their youth the Congregate took care of them.
  • Assisted the Royal PostNL group with a wide range of civil proceedings.
  • Assisted a client in the infrastructure sector with a large European public tender, with respect to possible litigation.

Partner in ambitions: Pot Jonker Advocaten is a law firm with around 25 highly competent lawyers specialising in a range of disciplines. Since 1930, from our office in Haarlem (Greater Amsterdam area), we have worked on complex matters for (listed) companies, institutions and branches of government. We distinguish ourselves by providing top quality legal services at competitive rates while using a practical “hands on” methodology. Our lawyers are approachable, flexible and can quickly identify the root of any problem.

We believe in partnership. This means that we work closely with our clients, think proactively with them and invest in sustainable relationships. In this way, we deliver a substantial contribution to the ambitions of our clients.

Full range of legal services: Pot Jonker Advocaten provides a full range of top-quality legal services. The firm is characterized by its highly specialized broad Dutch practice, which includes:

    • commercial litigation
    • corporate, commercial and M&A
    • restructuring and insolvency
    • employment law
    • real estate, public law and public procurement
    • privacy, IT and IP

Additional information
Network: To promote structural, legal and organisational knowledge sharing, we are affiliated with Netlaw. This is the largest national partnership of selected independent law firms in the Netherlands.

Corporate social responsibility: We see our role as a lawyer as a broader role than just providing legal advice. Our wide-ranging social perspective enables us to serve our clients even better. We give concrete expression to our social commitment in various ways. As a partner for social and cultural goals we make an active contribution to cultural and social causes. And to make our work as environmentally friendly as possible we invest in various sustainability measures.

Email firm and cc middeldorp@potjonker.nl and vanderpol@potjonker.nl

Department Name Email Telephone
Commercial Litigation | Corporate, commercial and M&A Floris Diepraam diepraam@potjonker.nl +31(0)23 5530234
Oscar van der Pol vanderpol@potjonker.nl +31(0)23 5530235
Commercial litigation | Real estate, public law and public procurement Babette Blaisse blaisse@potjonker.nl +31(0)23 5530225
Corporate, commercial and M&A Maarten ten Kate tenkate@potjonker.nl +31(0)23 5530269
Restructuring and Insolvency Rocco Mulder mulder@potjonker.nl +31(0)23 5530249
Employment law Muriel Middeldorp middeldorp@potjonker.nl +31(0)23 5530235
Employment law Hester Tonino tonino@potjonker.nl +31(0)23 5530228
Photo Name Position Profile
Babette Blaisse photo Mrs Babette Blaisse Partner, Head of the Real estate, public law and public procurement
Floris Diepraam photo Mr Floris Diepraam Partner, head of the Commercial and Corporate Litigation Department
Peter Ingwersen photo Mr Peter Ingwersen Peter is co- head of the Insolvency and Restructuring team. He is…
Muriel Middeldorp photo Ms Muriel Middeldorp Managing Partner Pot Jonker Advocaten/Senior Partner Employment Team
Rocco Mulder photo Mr Rocco Mulder Rocco is co- head of the Insolvency and Restructuring team. He is…
Hester Tonino photo Ms Hester Tonino Partner, Head of the Employment Team
Maarten ten Kate photo Mr Maarten ten Kate Lead partner of the Corporate, commercial and M&A department
Oscar van der Pol photo Mr Oscar van der Pol Partner at the Real Estate department and specialised in Commercial Litigation and…
Attorneys : 25
Support staff : 15
English (fluent)