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 tan 150 cases in venues across Europe, the Americas and Africa. He regularly participates in proceedings administered by the major arbitral institutions (ICC, PCA, ICSID, LCIA, ICDR or SCC, among others). He also has extensive experience as a counsel in complex commercial litigation.

He is regularly recognized as a Tier 1 litigation and arbitration lawyer and as a most-in-demand arbitrator in leading legal publications and directories, such as Chambers and Partners, Legal 500 and Latin Lawyer 250. He is also recognized by Who’s Who Legal as a “Thought Leader” in arbitration.

David was chair of the IBA Arbitration Committee between 2016 and 2017. Previously, he chaired its Subcommittee on Conflicts of Interest, which issued 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 Litigation and Arbitration. He received his law degree with Honors and his PhD, also with Honors, 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 board of the Spanish Arbitration Club and deputy director of its journal, the 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 is a partner at Arias SLP. He has 10 years of experience in the practice of arbitration.

Oliver has acted as counsel, as arbitrator and as tribunal assistant in more than 50 cases in venues across Europe, the Americas and the Middle East. He also has experience in court proceedings related to arbitration.

He is recognized in the “Arbitration Future Leaders” section of Who’s Who Legal.

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 an associate professor 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.

María Paula is a Trainee in Arias SLP.

She has a degree in Law and International Relations from IE University with a scholarship for academic excellence. She has also completed a master’s degree in access to the legal profession at Universidad Pontificia Comillas.

Before joining Arias SLP, María Paula completed an internship at the Arbitration Court of Madrid and at a boutique firm specialized in arbitration. She also participated in competitions such as the Madrid Moot and the Jessup International Law Moot Court.

She speaks Spanish and English.

Contact

Gurtubay 4, 3D
28001 Madrid
Spain

admin@ariasslp.com

T. +34 918 138 630