Firm Profile > Maverick Advocaten N.V. > Amsterdam, Netherlands

Maverick Advocaten N.V.

Netherlands > EU and competition Tier 3

With ‘a fantastic niche competition practice’, boutique competition firm Maverick Advocaten N.V. regularly handles large cartel investigations and anti-competitive issues, transactions in regulated markets including merger control proceedings, and competition and regulatory litigation. Key names at partner level include Martijn van de Hel, who acts in cartel investigations and follow-on damages claims; and Diederik Schrijvershof, who is experienced in the agriculture and healthcare sectors.


‘Super flexible and professional legal experts. They understand exactly what their client needs. I consider them to be a true strategic partner and value driver for our business. Because of these reasons, we prefer dealing with Maverick over others where it comes to competition law.’

‘Specific stand-out partner: Diederik Schrijvershof. Diederik is proactive, approachable, very responsive, he provides practical advice, always employs a broad perspective based on his knowledge of our business and proactively considers potential future legal risks and opportunities (and sends valuable updates in that respect).’

‘Martijn van de Hel is an excellent lawyer. He has excellent analytical skills which have benefitted our firm immensely. He is able to process large volumes of information quickly and formulate an effective strategy.’

‘Unique proposition solely aiming at competition law. Very experienced partners. Result oriented, well established and connected within regulatory community.’

‘Both Martijn van de Hel and Diederik Schrijvershof are an excellent choice if you require competition law advice.’

‘Very knowledgeable lawyers with an enormous amount of experience. Knowledge of the team members is continuously up-to-date.’

‘Enormous experiential expertise and enthusiasm. Great endurance during a gruelling matter. Partners are driven and compliment each other very well as people.’

‘Martijn van de Hel is an absolute rockstar in his field. He always keeps an eye on the business side of things; he genuinely understands entrepreneurial risk taking versus real competition law risks businesses want to stay away from. He is accessible and fun to work with.’

Key clients




Cooperatie DOOR

Cooperatie ZON

Dental Clinics

De Nederlandse GGZ

Equipe Zorgbedrijven

Erasmus MC

Federatie van Mobiliteitsbedrijven




GroenteFruit Huis/DPA

H&S Group

IJsselland Hospital


Mentha Capital


Parnassia Groep


Tony’s Chocolonely

Van Loon Group


Netherlands > Industry focus: healthcare and life sciences Tier 3

Maverick Advocaten N.V. focuses on competition and regulation in the healthcare sector. The firm handles high-end merger proceedings, litigation for healthcare providers in administrative proceedings, and also litigation relating to civil and arbitration proceedings against health purchasers, such as insurers and government bodies. Diederik Schrijvershof and Martijn van de Hel are key names to note.

Practice head(s):

Diederik Schrijvershof; Martijn van de Hel


‘The team proved to have a very good understanding and knowledge of the subject at hand’.

‘They helped us in focussing on the relevant issues at hand, and helped to select relevant evidence’.

‘Working together we were able to put together a thorough and thoughtful plea’.

‘Martijn van de Hel is an inspiring person to work with.

‘Martijn van de Hel has a good ear for what might be relevant, and is a quick thinker’.

‘The lawyers of Maverick are competent and very involved with their client and the case’.

‘They work as if they are your colleagues’.

‘Maverick showed they are capable of a quick assessment of the situation, they know which questions to ask and adjust to the wishes of the client’.

Key clients


Zorg van de Zaak


Alliance Healthcare

Erasmus MC

IJsselland Hospital



Radboud MC



European Dental Group

Equipe Zorgbedrijven

Regiozorg Holding

Stichting Omring

Stichting Vrijwaard

De Nederlandse GGZ

Parnassia Groep

ADG Dienstengroep



Nederlandse Tandartsen Coöperatie



Netherlands > Industry focus: telecoms Tier 3

Boutique firm Maverick Advocaten N.V. handles a broad scope of work in the telecoms sector, including investigations initiated by competition authorities. It also advises on regulatory frameworks and data protection and handles administrative proceedings in the telecoms space. Diederik Schrijvershof is of note for competition and merger control matters. Martijn van de Hel handles competition and compliance issues.


‘Martijn van de Hel is pragmatic and results-oriented’.

Key clients



Kofschip group




Omnia Retail

Maverick Advocaten is the independent and leading competition law firm in the Netherlands, founded in 2013 and led by Diederik Schrijvershof and Martijn van de Hel. The team has vast experience at the top of the Dutch legal profession. By restricting its practice to competition law, Maverick Advocaten is able to provide the commitment and solid expertise required by its clients. The lawyers provide advice on Dutch and EU competition law, including cartels, abuse of dominance, (second phase) merger control, public procurement and cartel damage claims. They also frequently advise clients on economic regulation, consumer law and EU law (including state aid and unfair competition). The team regularly represents clients in proceedings before the Dutch and EU courts, the Netherlands Authority for Consumers & Markets, the European Commission and the Dutch Healthcare Authority. Maverick Advocaten represents clients in a wide variety of sectors, including healthcare, pharmaceuticals, agri and food, FMCG, energy, transport, retail, fintech, media and communications.

Department Name Email Telephone
Dutch and European competition law (including advising on all aspects of horizontal and vertical agreements, merger control, cartel investigations and abuse of dominance cases) Martijn van de Hel +31 20 238 2002
Regulated markets (such as telecoms, healthcare, energy, post and transport) Diederik Schrijvershof +31 20 238 2003
Antitrust and regulatory litigation (proceeding on behalf of a wide range of clients on general competition law issues as well as on sector-specific regulation) Diederik Schrijvershof +31 20 238 2003
Dutch and European procurement law Leyla Bozkurt +31 20 238 2001
Photo Name Position Profile
Ms Leyla Bozkurt  photo Ms Leyla Bozkurt Leyla is specialised in European and Dutch procurement law. Leyla assists contracting…
Mr Adriaan Craita  photo Mr Adriaan Craita Adriaan Craita specialises in Dutch and EU competition law. In addition, he…
Mr Wouter Jans  photo Mr Wouter Jans Wouter joined Maverick in September 2018. During his double bachelor and master…
Mr Ramesh Kaushik  photo Mr Ramesh Kaushik Ramesh obtained a bachelor’s degree in law in 2015. During his studies…
Ms Annabel Kingma  photo Ms Annabel Kingma
Ms Jeanne Plettenburg  photo Ms Jeanne Plettenburg Jeanne Plettenburg advises on (European) competition law and on regulated markets. Jeanne…
Ms Reshmi Rampersad  photo Ms Reshmi Rampersad Réshmi has been working as associate at Maverick Advocaten since August 2019.…
Mr Diederik Schrijvershof  photo Mr Diederik Schrijvershof Diederik has experience in all areas of European and Dutch competition law.…
Mr Martijn van de Hel  photo Mr Martijn van de Hel Martijn van de Hel has comprehensive experience of European and Dutch competition…
Partners : 2
Counsels : 1
Associates : 6
Junior associates : 3
Paralegals : 4
Business support : 3