Firm Profile > Van der Feltz Advocaten > The Hague, Netherlands

Van der Feltz Advocaten

Environment and planning Tier 1

Hague-based boutique Van der Feltz Advocaten advises and litigates on both private and public law matters in the construction, real estate, government and energy sectors. It is noted for its deep expertise in expropriation law, including both land expropriation and financial expropriation. Willem Bosma advises real estate developers and municipalities on planning and environmental, and real estate law. Jacques Sluysmans handles civil, administrative and economic criminal law. Willem van der Werf focuses on urban and spatial planning.

Practice head(s):

Willem Bosma; Jacques Sluysmans; Willem van der Werf


‘The team is very well attuned to each other’.

‘The people at van der Feltz are very accessible, of course they are very able, but also there advice is very usable’.

‘They understand what needs to be looked in to’.

‘My absolute favourite is Jacques Sluymans because I have worked with him for 10 years and he has never let us down’.

‘Collaboration between us and the lawyers is very good’.

‘Van der Feltz is efficient, and provides short explanations with a clear answer’.

‘Employees are of a high level with a large network’.

Key clients

Tata Steel IJmuiden B.V.

Heijmans group

Vattenfall N.V.

Eastman Chemical Middelburg B.V.

ENGIE Services Nederland B.V.

Vermilion Energy Netherlands B.V.


Municipalities of Delft, Zoetermeer, Rijswijk, Gorinchem, Soest, Pijnacker-Nootdorp, Midden-Delfland, Voorschoten and Wassenaar

Volker Wessels

Koninklijke BAM group

Kennemerland Beheer B.V.

Vabo Ontwikkeling B.V.

Natuurmonumenten  (Dutch Society for Nature Conservation)

Industrieschap Plaspoelpolder (a governmental cooperation between the municipalities of Rijswijk and The Hague, in charge of acquiring, selling and the development of large tracts of land in between both municipalities)

Bedrijvenschap Harnaschpolder

Enviem Holding B.V. (BP, Gulf & Tinq petrol stations)

N.V. Nederlandse Gasunie

Province of South Holland (DCMR/OZHZ)

Neptune Energy Netherlands B.V.

VGM Bink 36

Energy: regulatory Tier 2

Van der Feltz Advocaten's team, which has ‘excellent knowledge of energy law’, is sought out for advice on planning, permitting, tariff regulation, CO₂ emissions and the environmental issues of energy projects. It is at the cutting edge of public affairs and regulatory issues, and often cooperates with large international law firms. Jacques Sluysmans is knowledgeable about the market of cables and pipelines. He co-heads the practice with Michelle de Rijke, who has a strong focus on energy transition matters.

Practice head(s):

Jacques Sluysmans; Michelle de Rijke

Other key lawyers:

Willem Bosma


‘Excellent knowledge of energy law, they give good advice’.

‘Personal relationship, very customer-oriented, not only advice on demand, but also providing new information’.

‘A high-level of knowledge combined with a good and practical service’.

‘Michelle de Rijke not only has a very good knowledge of the subject matters at stake, but also has a widespread network of people within the regulatory scope that helps to solve matters’.

‘Michelle de Rijke is very knowledgeable, pleasant to work with and has a lot of experience’.

‘Michelle de Rijke is always very pleasant to work with, respectful and patient’.

Key clients

N.V. Nederlandse Gasunie

Stedin Netbeheer B.V.

ONE-Dyas B.V.


Enexis Netbeheer B.V.

Nederlandse Aardolie Maatschappij B.V.

NOGEPA (Netherlands Oil and Gas Exploration and Production Association)

Vermilion Energy Netherlands

Water companies: Brabant Water, Dunea, Evides, Waterbedrijf Groningen

Vewin (the national association of water companies in the Netherlands)

Vattenfall N.V.

Air Products (global producer of industrial gases and chemical products)

ENGIE Group (global energy production and supply company)

Uniper (German energy company with coal and gas fired plants and heat supply)

Ørsted (global renewable energy company)


Neptune Energy

Netbeheer Nederland (industry organisation of grid companies)

Cogas (network company)

Chint Solar Nederland Projecten (part of global solar company Chint Group)

Rendant (private grid company)

Province of South Holland

Construction Tier 3

The Hague-based boutique Van der Feltz Advocaten handles a broad range of construction and real estate matters, including public procurement law, leasing, zoning and planning, and transactions. Its client base includes project developers, investors, construction companies and regional authorities. Marc Houweling heads the practice. Senior associate Susanne van der Pest is also noted.

Practice head(s):

Marc Houweling

Other key lawyers:

Willem van der Werf; Susanne van de Pest


‘Approachable law firm with high expertise in contracting’.

‘Dedicated to getting the job done within the boundaries of the assignment’.

‘I am impressed by the decisiveness, speed and accuracy in dealing with the contract matters’.

‘Van der Feltz is very committed to our practice’.

‘Their legal expertise on contract management is strong’.

‘Experienced and knowledgeable in Dutch construction law’.

‘Susanne van de Pest guided us reliably and skilfully in all our dealings on Dutch construction contracts’.

‘Susanne van de Pest had thorough knowledge of the contractual provisions and guided us astutely in our dealings with construction firms and professionals’.

Key clients

Heijmans group

Koninklijke BAM group


VolkerWessels group

Van Wanrooij Bouw en Ontwikkeling

Van Arnhem Bouwgroep

Municipalities of: • Delft • Rijswijk • Gorinchem • Pijnacker-Nootdorp • Voorschoten • Wassenaar • Soest • Waddinxveen • Zoetermeer

Industrieschap Plaspoelpolder

Bedrijvenschap Harnaschpolder

Boele & van Eesteren B.V.

Gebr. Van Kessel Speciale Technieken en Producten B.V.

Real estate Tier 4

The Hague-based boutique Van der Feltz Advocaten acts for public sector organisations, such as local and regional authorities, and private businesses, on a range of real estate issues. It has expertise in ancillary areas, including planning and zoning, energy and infrastructure, and also handles tax matters and litigation. Willem Bosma, Marc Houweling and Willem van der Werf are the practice heads.

Practice head(s):

Willem Bosma; Marc Houweling; Willem Van der Werf


‘Knowledgeable, reliable and efficient’.

‘Van der Feltz is a good business partner’.

‘Their service is more than adequate and always in time’.

‘A good sparring partner, they think strategically and in terms of solutions’.             

‘Willem Bosma knows our business and understands our point of view’.

‘Willem Bosma is always available and offers clever solutions’.

Key clients

Heijmans group

Koninklijke BAM group


VolkerWessels group

Van Wanrooij Bouw en Ontwikkeling

Van Arnhem Bouwgroep

Municipalities of:










Industrieschap Plaspoelpolder

Bedrijvenschap Harnaschpolder

Boele & van Eesteren B.V.

Baker McKenzie Amsterdam

About the firm: Van der Feltz advocaten is an independent boutique law firm based in The  Hague, with a strong focus on the markets of construction and real estate, government, industry and energy. The firm’s lawyers advise and litigate on both private law and public law matters often operating at the interface of the two. They have a deep understanding of how local and central government operates and of the relevant interests of the governmental bodies involved.

Areas of expertise: public law, including zoning and planning law, energy law, construction and leasing law, governmental liability, environmental (criminal) law, expropriation, procurement law and state aid, tax law and Supreme Court litigation.

Clients range from the public sector (utility, water companies, local and regional authorities, (municipalities, provinces, environment agencies), to businesses active in:

  • (sustainable) energy projects;
  • Construction, project development, infrastructure projects
  • the industrial sector (oil and gas, petrochemical, pharmaceutical, food, heavy industries)

The firm has a strong scientific profile. Jacques Sluysmans, partner, has been a professor of expropriation law at Radboud University Nijmegen since 2013. Almost all of the firm’s lawyers teach at universities and commercial institutes and publish articles in academic law journals on a frequent basis.

All of the firm’s partners originate from (construction and real estate departments of) major top-tier law firms in The Netherlands (eg AKD, De Brauw Blackstone Westbroek and Lexence);

The firm acts as co-counsel to several international law firms in construction- and/or real estate (M&A) transactions.

 Best known for:

  • Young and dedicated team of experts, capable of inventing fresh and innovative legal structures. Our team stands out for its 24/7 availability and possesses deep commercial acumen, allowing us to provide clients with business and legal guidance and solutions in order to make client’s projects a success;
  • Partner presence and availability in all cases;
  • Expertise in both private  law and public law matters;
  • Highly ranked practice in expropriation law, covering both land expropriation and financial expropriation;
  • Very active litigation practice, including arbitration and supreme court litigation.
Department Name Email Telephone
Constitutional and administrative law Willem van der Werf +31703131050
Expropriation and ownership restrictions Jacques Sluysmans +31703131050
Supreme court litigation and procedural guidance at lower courts Jacques Sluysmans +31703131050
Zoning and Planning Law Willem van der Werf +31703131050
Environmental law and enforcement Willem Bosma +31703131050
Energy Regulatory Michelle de Rijke +31703131050
Renewable Energy Michelle de Rijke +31703131050
Nature conservation Willem Bosma +31703131050
Property development Marc Houweling +31703131050
Property development Willem van der Werf +31703131050
Purchase of real estate Marc Houweling +31703131050
Rent, lease and ground lease Marc Houweling +31703131050
State aid Marc Houweling +31703131050
State aid Ruben Wiegerink +31703131050
Public procurement Marc Houweling +31703131050
Torts including liabilities of the state or lower governments Jacques Sluysmans +31703131050
Transport especially railway transport Jacques Sluysmans +31703131050
Good governance and integrity Jacques Sluysmans +31703131050
Public utilities Marc Houweling +31703131050
Contractor agreements Marc Houweling +31703131050
Tax law Ruben Wiegerink +31703131050
Energy and mining Jacques Sluysmans +31703131050
Photo Name Position Profile
Mr Willem Bosma  photo Mr Willem Bosma Willem’s practice includes advising and litigating for various parties within the areas…
Mr Marc Houweling  photo Mr Marc Houweling Marc Houweling is a highly knowledgeable lawyer in Real Estate and Construction…
Mr Jacques Sluysmans  photo Mr Jacques Sluysmans Jacques Sluysmans’ expertise encompasses civil law, administrative law and (economic) criminal law.…
Mr Ruben Wiegerink  photo Mr Ruben Wiegerink Ruben combines many areas of expertise in his practice: he is both…
Ms Michelle de Rijke  photo Ms Michelle de Rijke Michelle has been active in the energy industry since the liberalization of…
Mr Willem van der Werf  photo Mr Willem van der Werf Willem Van der Werf has significant expertise in the areas of construction,…
Number of lawyers : 21

Van der Feltz advocaten is an independent boutique law firm based in The Hague, The Netherlands, with a strong focus on the Construction, Real EstateEnergy, Industrials, Government and Public sector  

Its internationally oriented legal practice is expanding. The firm frequently advises foreign parties engaged in energy-, construction and real estate projects on (cross-border) issues in the field of energy, environmental, construction and rental law (e.g. sale and lease back transactions).  

The clients 

The firm has worked with a diverse range of clients, including international investorsinternational governmental organisations and multinationals in the renewable energy, oil & gas(petro)chemical, pharmaceutical, food and heavy industries sector. 

The team 

All lawyers at Van der Feltz advocaten are fluent in English. Together the team speaks a range of languages, including German, French and Italian. Furthermore its lawyers have experience studying and working abroad in different countries, including the United States, Canada, Indonesia, Germany and the United Kingdom.   

The work highlights 

  • Advising a specialist investor in European sale and lease back transactions with regard to a particular sale and lease back transaction, which included the acquisition of a global automotive parts manufacturer’s European production facility in Oss, The Netherlands, and a new 20-years triple net lease with the global automotive parts manufacturer as tenant; 
  • Advising a German utility company on the structuring options for its onshore and nearshore wind farm in the Netherlands; 
  • Advising new entrants to the Dutch energy market;  
  • Advising an international organisation on the development of its new 80.000 m2 headquarters in The Netherlands, including advice relating to tenders regarding maintenance- and consultancy contracts; 
  • Representing client in a million-euro claim regarding the expansion of a Caribbean oil refinery in the International Chamber of Commerce; 
  • Advising international investors on flexible terms with regard to existing retail lease agreements in the Netherlands. 


Van der Feltz advocaten is an independent boutique law firm, based in The Hague, the Netherlands. The firm focuses on the Construction, Real Estate, Energy, Industrials, Government and Public sector.  The firm’s lawyers advise and litigate on both public and private law matters, often operating at the interface of the two. They focus on matters of i.a. administrative law, zoning and planning law, energy law, construction and leasing law, governmental liability, environmental (criminal) law, expropriation, procurement law and state aid, tax law and Supreme Court litigation.

Clients range from the public sector: utility, water companies, local and regional authorities, (municipalities, provinces, environment agencies), to real estate investors, contractors, project developers to businesses active in (sustainable) energy projects and companies in the industrials sector: oil & gas, (petro)chemical, pharmaceutical, food and heavy industries.

Van der Feltz advocaten combines its expertise with regard to real estate, construction, energy,  environment and planning to meet a wide range of project-related needs. In particular with regard to projects related to renewable energy.