Who We Are
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.
Clients
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
Valerenga IF

Sydney FC

Empoli FC

Blackburn Rovers FC
Sepahan SC
Real de Banjul FC

Medeama SC

NK Maribor

SC Covilhã
Coton Sport FC de Garoua

Caracas FC

América FC

Djurgardens IF
UD Las Palmas

AC Ajaccio
SK Rapid
SD Huesca
Getafe CF
Our Services
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
Network
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
Statistics
Berlin Sports Law
by numbers
clubs
players / coaches / agents
cases
countries
Testimonials
What our clients say about us
Our Team
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

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.

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.

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.

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.

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.

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.

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.

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.