About

Provided by Arpa Abogados Consultores

ARPA Abogados Consultores has over 30 years of experience providing top-tier corporate legal, economic, and tax advisory services. Our team of more than 90 professionals specializes in 16 practice areas and operates across 15 multidisciplinary teams, dedicated to delivering tailored, value-driven legal solutions that foster long-term, trust-based relationships with clients.

We offer a comprehensive range of services, including M&A, corporate governance, tax planning, dispute resolution, and compliance, with a strong focus on delivering practical and efficient solutions for businesses of all sizes. Our deep understanding of each client’s business enables us to provide practical, efficient solutions for companies of all sizes.

Market recognition underscores this position. ARPA has been ranked in General Business Law: Regions in Spain for the third consecutive year and has featured for 13 consecutive years among the Top 40 Spanish firms by global turnover, according to Expansión. In addition, 2 of our Heads of Department, Fernando Armendáriz and Laya Abós have been individually recognised by Chambers and Partners, while our Tax Department was included in the inaugural Best Lawyers Spain 2026 in the Regional Tax Law category.

We are based in Pamplona, Madrid, San Sebastián and Zaragoza and we are part of Eurojuris International, a global network with over 7,000 lawyers across more than 60 countries, which guarantees legal coverage wherever you need it.

Chambers Review

Provided by Chambers

General Business Law: Regions - Spain

1
Band 1

What the Team is Known For

ARPA Abogados Consultores is a law firm with offices in Pamplona, San Sebastián, Valladolid and Madrid. The team covers the full spectrum of business law including advice on commercial and M&A deals as well as tax, real estate and employment issues. The law firm is active across a wide variety of sectors ranging from finance to energy, mining and environmental law.

Strengths

Provided by Chambers

Notable Practitioners

Provided by Chambers

Fernando Armendariz
1
Fernando Armendariz
1
Band 1

Pamplona-based Fernando Armendariz enters the rankings on the back of strong market support. He is equipped to advise clients on a wide range of business law matters including M&A, commercial, tax and bankruptcy deals. He also has notable expertise on deals within the energy sector.

Fernando is very good technically and we rely on what he provides for us.

He has great negotiating skills and looks after the interests of his client. He is a great professional who brings security to each operation.

Laya Abos
2
Laya Abos
2
Band 2

Laya Abos is recognised for her ability to advise clients on deals within the M&A and commercial space. Based in the Pamplona office, she often represents a wide range of clients, including those within the financial and technology sectors.

She provides very good service and customer support. She responds to high levels of complexity and has good commercial vision.

Laya is an excellent professional in all aspects, dedicated and absolutely focused on supporting the transaction.

Ranked Lawyers at
Arpa Abogados Consultores

Provided by Chambers
Filter by
Band

Spain

General Business Law: Regions

Fernando Armendariz
1
Fernando Armendariz
1
Band 1
Laya Abos
2
Laya Abos
2
Band 2

Members

Provided by Arpa Abogados Consultores

Covadonga Lorente Gutiérrez

David Asín Martínez

Fermín J. Arméndariz Vicente

Fernando Arméndariz Carrascón

Head of Department

Fernando Badenes Garcia Caro

Francisco Javier Hijas Chacón

Javier Mendive Navarro

Jon Etexeandía Iparraguirre

José Antonio Arrieta Garnica

José Ignacio Pérez de Albéniz Andueza

Head of Department

Juan Torres Zalba

Laya Abós Aldanondo

Head of Department

Maria Obanos Muguiro

Teresa Floristán Puertas

Álvaro Abáigar Domínguez

Industries

Provided by Arpa Abogados Consultores

Agri-food

Agri-food sector

Bankruptcy

CCIs

Company Law

Competition Law

Corporate Compliance

Corporate groups

Family Business

Foundations

Intellectual Property

International Law

Labour Law

Mediation

Mergers & Acquisitions (M&A)

Mining

Pharma & Healthcare

Renewable Energy

Tax Law

Venture Capital