
ONTIER's dispute resolution practice is well-versed in handling high-value, high-profile litigation and arbitration proceedings at both domestic and international levels. The team has considerable experience advising on a wide range of disputes, including those arising from greenwashing, corporate transactions, and antitrust issues, as well as energy and infrastructure projects, construction, and agency contracts. With broad capabilities, the group has amassed an extensive and impressive client roster comprising notable blue-chip companies from the financial services, energy, and infrastructure sectors, to name a few. Pedro Rodero Rodríguez co-heads the department alongside Cristina Camarero Espinosa and Mercedes Romero Iglesias, and stands out for his expertise in international litigation and arbitration. Espinosa has strengths in directors’ liability-related conflicts, while Iglesias specialises in contractual, construction, and engineering disputes.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘What makes them unique is their ability to anticipate scenarios and design tailored solutions, always with a strong client focus and transparent, fluid communication.’
- ‘I would highlight their extensive experience in similar cases, which allowed them to advise us in the best possible way on all aspects: selection of arbitrators, experts, and the strengths and weaknesses of our position.’
- ‘I would highlight their commitment, availability, and the preparation they provided to those of us unfamiliar with the legal environment in this type of proceeding. In short, great professionals.’
- ‘The litigation and arbitration department distinguishes itself by combining in-depth legal knowledge with a strategic and practical approach that provides clear added value in resolving complex disputes.’
Key clients
- Quantum Capital Partners
- Másmóvil Telecom
- Yoigo
- Moeve
- BP Power & Gas
- Axpo Energy
- Solaric Solar Renovable
- Valfortec
- Prosegur
- European Bulk Handling Installation EBHI, S.A.
- Siemens
- General Motors
Work highlights
Advising General Motors on its global defence strategy against the claims for damages filed by those affected by the ‘Automobile Cartel’ in Spain.
Advising Iberdrola on the first greenwashing lawsuit against Repsol for “unfair competition” and “misleading advertising.”
Advising Vodafone España on more than 100 claims filed by its agents and distributors.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
Pedro Rodero Rodríguez; Cristina Camarero Espinosa; Mercedes Romero Iglesias
Other key lawyers
Raúl Da Veiga Mejía; Ana Arroyo Marín; Miguel Fernández Benavides; Pablo Muñoz Rodríguez; Lucía Puente Rodríguez; Paula Fernández Huertas
