28046 MADRID
Display phone number +34914313000
Bernardo Gutiérrez De La Rosa
Ignacio Ojanguren
Pedro Rodero


You probably already know us.

We bring half a century´s experience working in the front line of legal practice in Spain, and in this time we have worked in many of the most pertinent legal issues.

Our commitment to service allows us to always be counted upon with confidence, fidelity and our clients´support.

In Madrid, Oviedo, Santander and Seville, ONTIER SPAIN boasts a multidisciplinary team of talented professionals whose motivation, capacity, excellence and drive will convert the first opportunity that you offer us into a continuing advisory relationship in every aspect of your activity.

Corporate and M&A

The Corporate and M&A practice area provides two types of services to both domestic and international clients. The first service is categorised as advice in all types of corporate operations and acquisitions of companies, as we have participated in numerous transactions in various sectors, being mainly those of energy, industrial, services, telecommunications, property and distribution.

Litigation and Arbitration

The Litigation team comprises highly qualified and extremely renowned professionals with an extensive background in the resolution of high-profile and complex civil and corporate conflicts.

New Technology and Intellectual Property

The hallmark of ONTIER’s New Technology and Intellectual Property team is its extensive sector expertise and legal specialisation. This enables it to bring in-depth knowledge of all branches of technology and IP law to the advice it provides high-potential technology companies and start-ups. It provides end-to-end advisory and consultancy services and handles administrative and judicial proceedings before Spanish and international companies. The team is based in the Madrid office but provides services in all of the firm’s offices across Europe, Latin America, the US and Asia.

Offices in Spain

  • Madrid
  • Oviedo
  • Santander
  • Sevilla


  • Corporate and M&A

  • Litigation and Arbitration

  • Insolvency and Restructuring

  • Finance and Capital Markets

  • Public Law and Urban Planning

  • Labor & Employment

  • Tax

  • White Collar Crimes

  • Real Estate

  • Inheritance and Family Law

  • Maritime

  • New Technology and Intellectual Property

  • Competition Law

  • Mediation

  • Environmental Law

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