Berlin Sports Law is a boutique law firm specialized in sports law. With offices in Berlin and Lisbon, we provide tailored legal solutions to athletes, clubs, agents, federations, and organizations operating in the fast-moving world of sports.

Join the BSL Summer School in Lisbon and gain real-world insights into sports law, football management & media. Enjoy an unforgettable week in one of Europe’s most vibrant cities!

International Sports Law in Practice

Berlin Sports Law is a boutique law firm specialized in sports law. With offices in Berlin and Lisbon, we provide tailored legal solutions to athletes, clubs, agents, federations, and organizations operating in the fast-moving world of sports.

Having successfully enforced over 3,000 cases for clients over the past ten years, we have expertise in all areas of international sports law.

With our extensive network and highly experienced personnel, we can provide legal advice and support, whatever your need may be.

Our international, multilingual team works in English, French, German, Italian, Portuguese and Spanish, meaning we are perfectly suited to represent you no matter where the dispute.

Our clients range from football players and coaches to clubs, agencies, sponsors, investors and federations.

Working With the Best

Our clients range from football players and coaches to clubs, agencies, sponsors, investors and federations.

GD Estoril Praia

Hagmayr Sport

Wolfsberger AC

Wolfsberger AC

Valerenga IF

Sydney fc australia

Sydney FC

Empoli fc italy 2020

Empoli FC

Blackburn Rovers FC

Blackburn Rovers FC

Sepahan SC

Real de Banjul FC

Medeama sc

Medeama SC

Nk maribor slovenia

NK Maribor

Sc covilhã

SC Covilhã

Coton Sport FC de Garoua

Coton Sport FC de Garoua

Caracas fcvenezuela

Caracas FC

América FC

Djurgården fotboll

Djurgardens IF

UD Las Palmas

UD Las Palmas

AC Ajaccio

AC Ajaccio

SK Rapid

SK Rapid

SD Huesca

Getafe CF

Berlin Sports Law is your expert for all sports law related matters

We provide specialized legal services to ensure compliance, resolve conflicts, and maximize opportunities within the sports industry.

We provide specialized legal services to ensure compliance, resolve conflicts, and maximize opportunities within the sports industry.

Consultancy
  • Contracts & Transfers
  • Solidarity & Training Compensation
  • Integrity & Ethics in Sports
  • Regulatory Compliance
  • Economic & Image Rights
  • Broadcast & Commercial Rights
  • Immigration & Work Permits
Who We Represent
  • Athletes & Players – Contract disputes transfers, disciplinary cases
  • Clubs & Federations – Compliance governance, dispute resolution
  • Agents & Agencies – Licensing negotiations, regulatory issues
  • Sports Brands & Media – Sponsorship broadcast and commercial rights
Where We Represent You
  • FIFA Tribunal
  • FIFA Disciplinary Committee
  • Court of Arbitration for Sport (CAS)
  • UEFA Disciplinary & Appeals Bodies
  • Ordinary Courts & Arbitration Tribunals

Our network consists of players, clubs, federations, coaches and agents from all over the world.

our network in green

Join the BSL Summer School in Lisbon and gain real-world insights into sports law, football management & media. Enjoy an unforgettable week in one of Europe’s most vibrant cities!

When?
21 – 26 July 2025

Where?
Lisbon, Portugal

Application Deadline:
May 31, 2025

Join the BSL Summer School in Lisbon and gain real-world insights into sports law, football management & media.

Enjoy an unforgettable week in one of Europe’s most vibrant cities!

When?
21 – 26 July 2025

Where?
Lisbon, Portugal

Application Deadline
31 May 2025

When?
21 – 26 July 2025

Where?
Lisbon, Portugal

Application Deadline
May 31, 2025

Berlin Sports Law

by numbers

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clubs

0

players / coaches / agents

0

cases

0

countries

What our clients say about us

David John-Williams

President

W Connection F.C.

“Over the past years we have developed a trusting relationship with BSL and we are very thankful for their expertise. BSL is a breath of fresh air for smaller clubs to get their just rewards for their investment in football.”

Gustavo Adolfo Núñez López

President

Real Santander

“Muy generosos y que orgullo tener el apoyo de tan prestigiosa empresa.”

Luís Fàbregas Mateu

General Manager

Gimnàstic de Tarragona

Gimnastic tarragona spain

“We rely on BSL for all our legal needs and queries, whether it’s related to players, agents or other football clubs. We can count on receiving professional and personalised advice on all issues, whenever we need it.”

David John-Williams

Former President

The Trinidad and Tobago Football Association

“Thank you for the visit and the successful workshop on solidarity contribution and training compensation. Our associated clubs benefited hugely from it.”

Miller Lizarazo

International Business Soccer

“BSL nos ha ayudado considerablemente a mejorar la calidad de nuestros documentos legales, y de esta manera, ofrecer a nuestros jugadores un mayor nivel de seguridad jurídica.”

Karim Assafo

President

Sports Consulting International

“Como resultado de nuestra cooperación con BSL, hemos ganado un partner muy serio, no sólo para la revisión de contratos legales, sino también para ampliar nuestra red de contactos en el fútbol profesional a nivel internacional.”

Julio Vásquez

President

Cusco FC

“La colaboración con BSL nos ha dado inmensos frutos con respecto a los derechos de formación y también nos ha permitido defendernos de la forma más firme ante reclamaciones levantadas por clubes del exterior.”

Dr. Ernesto Dehl

President

Cerro Largo FC

“Recomendamos a clubes formadores contratar los servicios de BSL para poder alcanzar el máximo benificio de su propia formación y, al mismo tiempo, profesionalizar el ámbito del derecho internacional deportivo en la institución.

Fernando Ocampo

President

Liga Deportiva Alajuelense

“La profunda investigación por parte de BSL nos ha ayudado a imponer y cobrar casos de formación, para luego poder hacer inversiones en nuestro fútbol juvenil.”

Stade Malien

“Agradecemos a BSL por su fiable colaboración y su dedicación profesional para defender firmemente los derechos de formación de nuestra institución, no solo ante la FIFA y sino tambien ante el TAS.”

David Sinton

Director

Raith Rovers

“Raith Rovers have used BSL on several occasions. We have found them to be proactive,  helpful and successful in claiming and enforcing payment of training compensation and solidarity contribution due to us.”

Wilbert Sibanda

CEO

Bantu Rovers

“BSL are professional and reliable in their work. We know we can count on their transparency and integrity.”

Tim Davies

Financial Director

Oxford United

“BSL have been of great help to us in securing a number of unspotted entitlements.”

Kingsley Owusu-Achau

President

Bechem United F.C.

“Since we first started to work with BSL, they have reliably enforced many claims for our club and worked for us in a range of legal areas.”

Dario Pali

General Manager

KF Laçi

“BSL have reliably worked for us on a number of international sports law issues and we’re delighted with the results.”

Marko Peroš

International Relations

NK Maribor

“BSL is a reliable partner when it comes to enforcing claims amicably but also when processing is necessary.”

Happie Munkondya

CEO

Power Dynamos FC

“We trust BSL’s judgment and professionalism.”

Moses Etu

Chairman

Warri Wolves FC

“BSL have proved a strong and reliable partner when it comes to protecting our due rights.”

Guilherme Muller

General Director

G.D. Estoril Praia SAD

“We recently started working with BSL and it has been a very sucessful relationship so far. With their vast network and legal expertise, we can confirm their effectiveness in helping our club to retrieve amounts we are entitled to.”

André Geraldes

CEO

CF Estrela da Amadora SAD

“Untouchable professionalism and efficiency.”

Afonso Miranda

President

SC Beira-Mar

“Working with BSL has been immensely helpful to guarantee our rights. The proximity, clarity and transparency shown bring us the needed comfort to any operation. Thank you to Dra. Maria Alves for the sensible way she treats us.”

Andrea Papadia

CEO

SC Olhanense

“We have created a strategic partnership with BSL that has provided with value and revenues for our business.”

Diogo Pignataro

L. Bezerra and Legal Vice President

América Futebol Clube RN

“BSL is our go to team of experts whenever we have international matters involving our former players.”

Constantino Novais da Silva Barbosa Jr.

President

Santa Cruz Futebol Clube PE

“One of the most beloved teams of Brazil deserves high quality legal representation. We have that with BSL, a group of lawyers capable of securing our entitlements quickly and effectively.”

Max Hagmayr

CEO

Hagmayr Sport International

“We had great difficulties transferring a young talent to Austria and are very grateful for the legal support from BSL that made this transfer possible.”

Gerencia Deportiva

Caracas FC

“Estamos felices de haber encomendado la revisión de nuestros derechos de formación a BSL y después de varios años de exitosa colaboración podemos recomendarlo a cualquier club que cuente con cantera significativa.”

James Essilfie

CEO

Medeama SC

“We can rely on BSL to deal with all kinds of transfer entitlements. Their expert knowledge has helped us to secure many entitlements, including unexpected bonus amounts.”

Hamed Asfa

Int'l Manager

Sepahan S.C.

“Our burgeoning relationship with BSL is a relatively new but intensive cooperation which showed us how fast, effective and professional a legal firm can be.”

Adam Santo

COO

Sydney FC

“BSL provides expert assistance when it comes to advising regarding international player transfers.”

José de Oliveira Mendes

President

SC Covilhã

Sc covilhã

“People who are easy-going, dedicated and always available to collaborate.”

Christian Puff

Vice-President

Wolfsberger AC

Wolfsberger AC

“We’ve had a trusting relationship with Mr. Jan Schweele for years and work together on all international sports law issues. We came to BSL for their legal support to accompany us during our latest record-breaking transfer.”

Alf Johansson

General Manager

Djurgården Fotboll

Djurgården fotboll

“We can rely on BSL to deal with all kinds of transfer entitlements.”

Ian Silvester

Club Secretary

Blackburn Rovers F.C.

Blackburn Rovers FC

“Our partnership with BSL has been very beneficial. Communication is always clear and we can trust them to deliver on promises.”

Mag. Klaus-Peter Aumayr

Head of Legal, Human Resources & Security

SK Rapid

SK Rapid

“We are grateful for the quick, uncomplicated and personal communication. We can always rely on BSL’s legal expertise.”

Manuel Lindberg

Club Director

A.I.K. Solna

A.I.K. Solna

“A highly professional service in all sports law issues.”

Pierre Locht

Executive Board Member

Royal Standard de Liège

Royal Standard de Liège

“Many thanks for working together with us in the past years. We look forward to continuing cooperating with you in the future.”

D. Antonio Sánchez

General Director

Getafe C.F.

“Getafe CF has been working with BSL for over 8 years, relying fully on its advice in all matters related to international sports law. We have built a very close relationship which goes beyond the professional environment and collaborated widely with extremely satisfactory results. It’s a pleasure to work with such fantastic professionals.”

David John-Williams

President

- W Connection F.C. -

“Over the past years we have developed a trusting relationship with BSL and we are very thankful for their expertise. BSL is a breath of fresh air for smaller clubs to get their just rewards for their investment in football.”

Gustavo Adolfo Núñez López

President

- Real Santander -

“Muy generosos y que orgullo tener el apoyo de tan prestigiosa empresa.”

Luís Fàbregas Mateu

General Manager

- Gimnàstic de Tarragona -

Gimnastic tarragona spain

“We rely on BSL for all our legal needs and queries, whether it’s related to players, agents or other football clubs. We can count on receiving professional and personalised advice on all issues, whenever we need it.”

David John-Williams

Former President

- The Trinidad and Tobago Football Association -

“Thank you for the visit and the successful workshop on solidarity contribution and training compensation. Our associated clubs benefited hugely from it.”

Miller Lizarazo

- International Business Soccer -

“BSL nos ha ayudado considerablemente a mejorar la calidad de nuestros documentos legales, y de esta manera, ofrecer a nuestros jugadores un mayor nivel de seguridad jurídica.”

Karim Assafo

President

- Sports Consulting International -

“Como resultado de nuestra cooperación con BSL, hemos ganado un partner muy serio, no sólo para la revisión de contratos legales, sino también para ampliar nuestra red de contactos en el fútbol profesional a nivel internacional.”

Julio Vásquez

President

- Cusco FC -

“La colaboración con BSL nos ha dado inmensos frutos con respecto a los derechos de formación y también nos ha permitido defendernos de la forma más firme ante reclamaciones levantadas por clubes del exterior.”

Dr. Ernesto Dehl

President

- Cerro Largo FC -

“Recomendamos a clubes formadores contratar los servicios de BSL para poder alcanzar el máximo benificio de su propia formación y, al mismo tiempo, profesionalizar el ámbito del derecho internacional deportivo en la institución.

Fernando Ocampo

President

- Liga Deportiva Alajuelense -

“La profunda investigación por parte de BSL nos ha ayudado a imponer y cobrar casos de formación, para luego poder hacer inversiones en nuestro fútbol juvenil.”

Stade Malien

- -

“Agradecemos a BSL por su fiable colaboración y su dedicación profesional para defender firmemente los derechos de formación de nuestra institución, no solo ante la FIFA y sino tambien ante el TAS.”

David Sinton

Director

- Raith Rovers -

“Raith Rovers have used BSL on several occasions. We have found them to be proactive,  helpful and successful in claiming and enforcing payment of training compensation and solidarity contribution due to us.”

Wilbert Sibanda

CEO

- Bantu Rovers -

“BSL are professional and reliable in their work. We know we can count on their transparency and integrity.”

Tim Davies

Financial Director

- Oxford United -

“BSL have been of great help to us in securing a number of unspotted entitlements.”

Kingsley Owusu-Achau

President

- Bechem United F.C. -

“Since we first started to work with BSL, they have reliably enforced many claims for our club and worked for us in a range of legal areas.”

Dario Pali

General Manager

- KF Laçi -

“BSL have reliably worked for us on a number of international sports law issues and we’re delighted with the results.”

Marko Peroš

International Relations

- NK Maribor -

“BSL is a reliable partner when it comes to enforcing claims amicably but also when processing is necessary.”

Happie Munkondya

CEO

- Power Dynamos FC -

“We trust BSL’s judgment and professionalism.”

Moses Etu

Chairman

- Warri Wolves FC -

“BSL have proved a strong and reliable partner when it comes to protecting our due rights.”

Guilherme Muller

General Director

- G.D. Estoril Praia SAD -

“We recently started working with BSL and it has been a very sucessful relationship so far. With their vast network and legal expertise, we can confirm their effectiveness in helping our club to retrieve amounts we are entitled to.”

André Geraldes

CEO

- CF Estrela da Amadora SAD -

“Untouchable professionalism and efficiency.”

Afonso Miranda

President

- SC Beira-Mar -

“Working with BSL has been immensely helpful to guarantee our rights. The proximity, clarity and transparency shown bring us the needed comfort to any operation. Thank you to Dra. Maria Alves for the sensible way she treats us.”

Andrea Papadia

CEO

- SC Olhanense -

“We have created a strategic partnership with BSL that has provided with value and revenues for our business.”

Diogo Pignataro

L. Bezerra and Legal Vice President

- América Futebol Clube RN -

“BSL is our go to team of experts whenever we have international matters involving our former players.”

Constantino Novais da Silva Barbosa Jr.

President

- Santa Cruz Futebol Clube PE -

“One of the most beloved teams of Brazil deserves high quality legal representation. We have that with BSL, a group of lawyers capable of securing our entitlements quickly and effectively.”

Max Hagmayr

CEO

- Hagmayr Sport International -

“We had great difficulties transferring a young talent to Austria and are very grateful for the legal support from BSL that made this transfer possible.”

Gerencia Deportiva

- Caracas FC -

“Estamos felices de haber encomendado la revisión de nuestros derechos de formación a BSL y después de varios años de exitosa colaboración podemos recomendarlo a cualquier club que cuente con cantera significativa.”

James Essilfie

CEO

- Medeama SC -

“We can rely on BSL to deal with all kinds of transfer entitlements. Their expert knowledge has helped us to secure many entitlements, including unexpected bonus amounts.”

Hamed Asfa

Int'l Manager

- Sepahan S.C. -

“Our burgeoning relationship with BSL is a relatively new but intensive cooperation which showed us how fast, effective and professional a legal firm can be.”

Adam Santo

COO

- Sydney FC -

“BSL provides expert assistance when it comes to advising regarding international player transfers.”

José de Oliveira Mendes

President

- SC Covilhã -

Sc covilhã

“People who are easy-going, dedicated and always available to collaborate.”

Christian Puff

Vice-President

- Wolfsberger AC -

Wolfsberger AC

“We’ve had a trusting relationship with Mr. Jan Schweele for years and work together on all international sports law issues. We came to BSL for their legal support to accompany us during our latest record-breaking transfer.”

Alf Johansson

General Manager

- Djurgården Fotboll -

Djurgården fotboll

“We can rely on BSL to deal with all kinds of transfer entitlements.”

Ian Silvester

Club Secretary

- Blackburn Rovers F.C. -

Blackburn Rovers FC

“Our partnership with BSL has been very beneficial. Communication is always clear and we can trust them to deliver on promises.”

Mag. Klaus-Peter Aumayr

Head of Legal, Human Resources & Security

- SK Rapid -

SK Rapid

“We are grateful for the quick, uncomplicated and personal communication. We can always rely on BSL’s legal expertise.”

Manuel Lindberg

Club Director

- A.I.K. Solna -

A.I.K. Solna

“A highly professional service in all sports law issues.”

Pierre Locht

Executive Board Member

- Royal Standard de Liège -

Royal Standard de Liège

“Many thanks for working together with us in the past years. We look forward to continuing cooperating with you in the future.”

D. Antonio Sánchez

General Director

- Getafe C.F. -

“Getafe CF has been working with BSL for over 8 years, relying fully on its advice in all matters related to international sports law. We have built a very close relationship which goes beyond the professional environment and collaborated widely with extremely satisfactory results. It’s a pleasure to work with such fantastic professionals.”

Experts in Sports Law

We are a team of international sports law specialists, bringing together global perspectives and deep industry knowledge to serve clients worldwide

Jan Schweele

Founding Partner of BSL with over 10 years’ experience in International Sports Law.
Jan holds a LL.M. in International Commercial Law and a specialisation in Sports Law.
He is a registered and admitted Attorney-at-law in Germany and Honduras, representing clients in Germany, as well as before FIFA, CAS and other sports arbitration institutions.
Jan has lived and worked in Germany, Portugal, Honduras, Mozambique and South Africa and is fluent in German, English, Spanish and Portuguese.

Jan Schweele

LL.M., Managing Partner

Guilherme Von Cupper

Co-Head of BSL office with experience in corporate law, M&A and corporate governance and in international sports law. Guilherme holds a Masters of Law in Legal Sciences (Academic Part) and a post-graduation in Sports Law. He is a specialist in all aspects of international sports law and particularly in the world of international football transfers. Guilherme is fluent in Portuguese, English and Spanish and proficient in French.

Guilherme Von Cupper

Head of Office

Maria Alves

Co-Head of BSL office with experience in criminal, civil and labour law and in international sports law. Maria holds a Masters in Business Legal Science and a post-graduation in Sports Law. A registered and admitted Attorney-at-law in Portugal, Maria has advised clients before Portuguese courts and other sports arbitration bodies. Maria is fluent in Portuguese, English and Italian.

Maria Alves

LL.M., Head of Office

Thomás Bosak

Associate at BSL, Thomás is a qualified lawyer in Brazil. He holds a Master in International Sports Law (ISDE Madrid) and has experience in civil and labour law. Thomás has represented clients before Brazilian courts, as well as before FIFA, CAS and other sports institutions. He has lived, worked and studied in Brazil, Canada, Portugal and Spain and is fluent in Portuguese, English and Spanish.

Thomás Bosak

Associate

Lourenço Arendt

Consultant at BSL. Lourenço has a Bachelor in International Business and is currently a Master’s student in Management at Católica Lisbon School of Business and Economics. With a strong background in international sports consultancy, Lourenço is fluent in French, English, Portuguese, Spanish and Dutch.

Lourenço Arendt

Consultant

Michelle Acierno

Michelle is an associate at BSL with expertise in criminal and sports law. She holds a law degree from the University of Rijeka, Croatia, and a Master’s in International Sports Law from Madrid. Fluent in Italian, Croatian, English, and Spanish, Michelle assists clients globally, specializing in legal matters within the football industry.

Michelle Acierno

Associate

João Canola

Associate at BSL. João is a Brazilian qualified lawyer with experience in different areas of law. He also holds a degree in International Relations, with post-graduate studies in criminal law (Damásio Educacional) and sports law (FGV). He earned his Master’s in International Sports Law from ISDE Madrid. With experience in Brazil, Portugal, Spain, and New Zealand, João is fluent in Portuguese, English, Spanish, and French.

João Canola

Associate

Vanessa Ferreira

Office Manager at BSL. Vanessa has a degree and master in Psychomotor Therapy (Faculty of Human Kinetics- University of Lisbon). With two years of administrative work experience, Vanessa is fluent in Portuguese and English and proficient in Spanish.

Vanessa Ferreira

Office Manager

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