About us

Arias SLP is a law firm founded in 2013.

Our practice focuses on arbitration, litigation, and providing strategic advice in complex international matters.

We are independent and free of conflicts of interest. Our team adapts to our clients’ needs and works on each matter with utmost dedication.

"David Arias is probably the best arbitrator in Spain and also has extensive experience in international arbitration"

(Legal 500, 2021)

"The best counsel for arbitration in Spain: he can plan and deliver excellent work"

(Chambers Global, 2022)

Team

David Arias is a partner at Arias SLP. He has more than 30 years of experience in dispute resolution.

He has acted as counsel and as arbitrator in more than 150 cases in venues across Europe, America, Asia and Africa, and he regularly participates in proceedings administered by the main arbitral institutions (ICC, PCA, ICSID, LCIA, ICDR and SCC, among others). He also has extensive experience as counsel in complex commercial litigation.

He is regularly recognised as a Tier 1 litigation and arbitration lawyer and most-in-demand arbitrator in leading international legal publications and directories including the Chambers and Partners publications, Chambers Global and Chambers Europe, Legal 500 and Latin Lawyer 250. He is also ranked in the “Thought Leaders – Arbitration” section published by Who’s Who Legal.

David was Chair of the IBA Arbitration Committee between 2016 and 2017. Previously, he also chaired its Subcommittee on Conflicts of Interest, which published the 2014 IBA Guidelines on Conflicts of Interest in International Arbitration. Additionally, he helped draft the 2010 IBA Rules on the Taking of Evidence in International Arbitration. From 2013 to 2017, he was President of the Spanish Arbitration Club, of which he is currently Honorary President.

He is a Professor of Procedural Law and Arbitration. He obtained his BA in Law, with Honours, and his PhD, also with Honours, from Universidad Complutense de Madrid. He was admitted to the Madrid Bar in 1991.

He speaks Spanish, English and French. He also reads and understands Italian and Portuguese.

Luis Capiel is a partner at Arias SLP. He has over 15 years’ experience practicing international arbitration with international law firms in Europe and Latin America.

He has acted as counsel and as arbitrator in international arbitrations under a variety of applicable domestic laws, administered by the major arbitral institutions in Europe and the Americas (ICC, PCA, ICSID, ICDR and Swiss Arbitration Centre, among others). He has focused his practice on complex commercial and construction disputes in the engineering and construction, banking and finance, insurance, private equity, electricity, and oil & gas sectors.

He is ranked as a dispute resolution lawyer in leading international legal publications and directories including Chambers and Partners and Who’s Who Legal.

Luis is a member of the Arbitration Court of the Swiss Arbitration Centre. He is also a member of the board of the Spanish Arbitration Club and deputy director of its journal, Spain Arbitration Review.

He has been an honorary professor at the Universidad Autónoma de Madrid and guest lecturer and speaker at universities and conferences. He holds a law degree from the Humboldt Universität zu Berlin and LL.M. (First Class Honours) from The University of Auckland. He was admitted to the Munich Bar in 2007 and to the Madrid Bar in 2008.

He speaks Spanish, English and German.

Oliver Cojo is a partner at Arias SLP. He has 10 years of experience in the practice of arbitration.

Oliver has acted as arbitrator, as counsel and as tribunal assistant in more than 50 cases in venues across Europe, the Americas and the Middle East, administered by the main arbitral institutions (ICC, LCIA, ICSID and SCC, among others). He also has experience in court proceedings related to arbitration.

He is ranked as an arbitration lawyer in leading international legal publications and directories including Who’s Who Legal and Legal 500.

Oliver was co-chair of the young practitioners group of the Spanish Arbitration Club (CEA-40) between 2019 and 2020. He was also an assistant to the Subcommittee on Conflicts of Interest that published the 2014 IBA Guidelines on Conflicts of Interest in International Arbitration.

He is a professor of arbitration at IE University. He holds a degree in Law and Business Management from University of Valladolid. He also holds an LL.M. from Maastricht University. Oliver was admitted to the Madrid Bar Association in 2013.

He speaks Spanish and English.

Aida Rodríguez is an associate at Arias SLP. She has four years of experience gained at international law firms in London, Düsseldorf and Barcelona.

Aida has acted as counsel and as tribunal assistant in several cases in venues across Europe, the Americas, Africa and the Middle East, administered by the main arbitral institutions (ICC, PCA, ICSID and SCC, among others). She also has experience in court proceedings related to arbitration.

She holds a degree in Law from ESADE Law School, where she also obtained her master to access the legal profession. In addition, she holds an LL.M. in comparative and international dispute resolution from Queen Mary University of London. Aida was admitted to the Barcelona Bar Association in 2017 and to the Roll of Solicitors of England and Wales in 2022.

She speaks Spanish, English, French and Catalan.

Daniela Johnson is an associate at Arias SLP. Before joining the firm, she worked at the Permanent Court of Arbitration and interned with law firms in New York and Bogota.  

Daniela holds a Juris Doctor from the University of Notre Dame. While pursuing her Juris Doctor, she was an executive articles editor for the Notre Dame Journal of International & Comparative Law. She also holds a Bachelor of Arts in Government from Harvard University.  

Daniela is admitted to the New York Bar. She speaks Spanish and English.

Florencia Mc Gough is office manager at Arias SLP. She has a degree in Public Relations and Event Organization.

She speaks Spanish and English.

Contact

Gurtubay 4, 3D
28001 Madrid
Spain

admin@ariasslp.com

T. +34 918 138 630