Ignacio Aparicio > Andersen > Madrid, Spain > Lawyer Profile

Calle de Velázquez, 110

Work Department

Corporate / Cuban desk


Partner and head of the Corporate and M&A department in Spain. Ignacio is also a coordinator in the Corporat/M&A service line of Andersen in Europe.


With more than 20 years experience, Ignacio worked in Olleros Abogados since 1999. Previously, he was an Associate at another domestic law firm focused on Litigation in different jurisdictions. In 2000, he was an associate lawyer at the New York law firm Whitman, Breed, Abbot & Morgan, LLP, which later merged with Winston & Strawn, LLP.

As part of his work in the Corporate Practice, he has been involved in a large number of cross border transactions which took place in different countries in Latin America, Europe, US, Asia and the Middle East.

In the area of Litigation and Alternative Dispute Resolution, he has advised in multiple judicial and arbitration proceedings, on a domestic and international level. He is also an arbitrator and qualified mediator on civil and corporate matters.


Spanish, English


    • Valencia BAR Association, ICAV.

    • Arbitrator at the Arbitration Court for the Valencia BAR Association, TAV.

    • Arbitrator at the Madrid Court of Arbitration.

    • Permanent Arbitrator at the European Association of Arbitration. 

    • Spanish Arbitration Club.

    • Board member of the Chamber of Commerce and Industry Spain-Israel.

    • Associate Lecturer of Corporate Law. Universidad Católica de Valencia.


Degree in Law, Universidad de Valencia.

Lawyer Rankings

Spain > Commercial, corporate and M&A

(Leading individuals)

Ignacio AparicioAndersen

Highlighted for its ‘global business vision, commitment, pragmatism and ease of teamwork‘, Andersen focuses on mid-market transactions and has a broad client base. Valencia-based practice head Ignacio Aparicio also manages the firm’s Cuban Desk and is highly regarded. Of counsel and member of the Cuban Desk Adargelio Garrido also receives praise, as do Jaime Olleros and senior associates José Trujillo and José DeusaJavier Bustillo Guzmán  joined in January 2021.

Spain > Industry focus: Food

The agrifood group at Andersen acts for food companies and associations in a range of matters, with an emphasis on corporate, commercial, tax and customs. Tomás Rivero leads the team, which includes Ignacio Aparicio, ‘an outstanding business lawyer with superb knowledge and knows how to support large corporations‘. Belén Palao left the firm in April 2021.