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Ainhoa Veiga


Languages: Spanish, English, French

Assistant: María Martínez (martinez@araozyrueda.com)

Professional career

Ainhoa Veiga, Partner of Araoz & Rueda since 2005, joined the firm as an associate in 1998. She is specialized in Competition/EU Competition, advising clients before the Spanish/EU competition authorities.

Ainhoa has also extensive experience in mergers and acquisitions, intellectual property matters and unfair competition.

A regular contributor to articles and publications on competition, intellectual property and commercial law, she regularly participates as a speaker at seminars and conferences related to her areas of expertise at universities and prestigious institutions.

Recommended Individual” in Competition/Antitrust in Chambers & Partners and The Legal 500 EMEA in all editions since 2006 up to the latest in 2024.

Included in the InspiraLAW Top 50 Women List 2018 by Iberian Lawyer Magazine (in recognition of women lawyers standing out for their technical excellence, knowledge of the sector and leadership, among others).


“Extremely knowledgeable and practical, she is able to adapt to the client’s requests”

– Chambers Europe Guide – 

“Really intelligent, she captures the essence of the problem in a second and quickly provides solutions”

– The EMEA Legal 500 – 



  • J.D. from the Universidad Autónoma de Madrid (Spain).
  • Certificat des Hautes Études Européennes from the Université Robert Schuman, Estrasbourg (France).
  • LL.M. from the Vrije Universiteit Brussel, Brussels (Belgium).
  • LL.M. from the University of Georgia School of Law, Athens, Georgia (USA).

Relevant Operations



Chambers Europe Guide 2024

Ainhoa Veiga of Araoz & Rueda regularly advises clients on damages claims, appeals against CNMC decisions and merger control proceedings. She also assists with related compliance matters. “She went above and beyond.” “Ainhoa Veiga had a good practical approach to the situation.” “Ainhoa Veiga has been very friendly and available. She was very helpful and there from day one.” “She is very well experienced and she knows competition and European laws excellently.”

Chambers Europe Guide 2023

Ainhoa Veiga of Araoz & Rueda regularly advises clients on damages claims, appeals against CNMC decisions and merger control proceedings. She also assists with related compliance matters.

Chambers Europe Guide 2022

Ainhoa Veiga regularly advises clients on cartel investigations and merger control proceedings. She also assists with related compliance matters.

Chambers Europe Guide 2021

Ainhoa Veiga of Araoz & Rueda regularly advises clients on cartel investigations and merger control proceedings. She also assists with related compliance matters.

Chambers Europe Guide 2020

The “practical and knowledgeable” Ainhoa Veiga routinely assists with day-to-day competition mandates, as well as advising on merger control proceedings and distribution agreements. She represents clients in cartel and infringement investigations, in addition to appealing CNMC decisions.

Chambers Europe Guide 2019

Clients appreciate Ainhoa Veiga of Araoz & Rueda’s “transparent and realistic” approach. She has considerable experience in dealing with distribution agreements, representing clients before the CNMC due to complaints and cartel cases. Veiga also advises on merger control procedures.

Chambers Europe Guide 2018

Ainhoa Veiga of Araoz & Rueda has experience in merger control, compliance and private enforcement matters. Her additional experience in unfair competition mandates was demonstrated in advice to Pompadour Ibérica on European competition and food law concerning the comparative advertising of food supplements. Sources say she is “very keen to achieve success for the client,” with one client adding: “She is extremely knowledgeable and practical, and is able to adapt to the client’s requests.”

Chambers Europe Guide 2017

Araoz & Rueda’s Ainhoa Veiga “was effective when dealing with the competition authorities and was very good all round”. She commonly assists companies with merger proceedings, distribution contracts and CNMC investigations. She has recently been instructed by IBA Molecular to advise on public procurement proceedings in hospitals.

The EMEA Legal 500 2017

Ainhoa Veiga is the main contact at Araoz & Rueda, which is especially active on the transactional and merger-control side. The team recently advised Eni on antitrust issues related to its Union Fenosa Gas joint venture with Gas Natural Fenosa.

chambers partners

Chambers Europe Guide 2016

Ainhoa Veiga of Araoz & Rueda is the head of department and is well regarded in the market. Her practice includes advising on merger control and IP related matters. Market commentators describe her as “very good, straightforward and practical.”

The EMEA Legal 500 2016

At Araoz & Rueda, practice head Ainhoa Veiga advised Eastman Chemical on the notification to the CNMC of the acquisition by its wholly owned subsidiary Taminco of Cepsa Química.

The EMEA Legal 500 2015

Ainhoa Veiga heads Araoz & Rueda’s “very competent team”, which has “a practical approach” and “knowledge of the domestic authority”. Highlights included advising Apollo on merger control matters concerning its acquisition of Evo Banco.

Chambers Europe Guide 2015

Ainhoa Veiga heads Araoz & Rueda’s competition practice and is highlighted for her proactivity and noted presence on the competition market.

Chambers Europe Guide 2014

Ainhoa Veiga of Araoz & Rueda heads the firm’s competition department. Clients highlight her efficiency and commitment.

The EMEA Legal 500 2014

At Araoz & Rueda Ainhoa Veiga heads the competition team and is recommended.

Chambers Europe Guide 2013

Ainhoa Veiga at Araoz & Rueda is “pragmatic and well rounded”.

The EMEA Legal 500 2013

Araoz & Rueda’s ‘excellent’ team advised waste management company Daorje on antitrust issues in the recycling market, and provided merger control advice to clients such as SK Capital Partners and Ferroatlántica. Practice head Ainhoa Veiga is ‘tough and energetic”.

The EMEA Legal 500 2012

Araoz & Rueda’s team is “always available, with a high level of commitment”. Practice head Ainhoa Veiga is “really intelligent; she captures the essence of the problem in a second and quickly provides solutions”.

Chambers Europe Guide 2012

Ainhoa Veiga at Araoz & Rueda receives praise for her “direct, clear and analytical style”.

Chambers Europe Guide 2011

High-calibre team led by partner Ainhoa Veiga: “She receives widespread recognition as a competition specialist with experience in M&A and IP”.

The EMEA Legal 500 2010

At Araoz & Rueda, Ainhoa Veiga´s team was praised for its “excellent service, prompt response time, in-depth subject knowledge and ability to explain issues in context”.

Chambers Europe Guide 2010

“This Spanish boutique has a compact but strong competition team. The firm aims to deliver a tailored service and happy clients comment that “compared to the big multinational firms it seems to dedicate a lot more time to the clients.” Leading the team, and at the forefront of each case, is partner Ainhoa Veiga, a skilled competition lawyer specialising also in IP.

Chambers Global Guide 2009

“They provide a real personal treatment within a speedy and flexible framework”.

The EMEA Legal 500 2009

Araoz & Rueda boasts sound expertise in competition issues.

Chambers Europe Guide 2008

Clients are delighted with Ainhoa Veiga at Araoz & Rueda, noting her “solid, well-constructed arguments” as well as her “diligent and flexible service”.

Chambers Global Guide 2007

Interviewees describe department head Ainhoa Veiga as “a smart lawyer who really knows what she is doing”.

Chambers Global Guide 2006

This widely admired corporate firm has a small but highly efficient competition practice that offers splendid transactional and litigation services. Ainhoa Veiga is seen as an energectic and rising star on the team.


“Overview of class/collective actions and current trends”

Publication: Country Q&A - Class/collective actions in Spain
Authors: Ainhoa Veiga
December 2020

“¿Qué pasa con Uber?”

Publication: Expansión.com
Authors: Ainhoa Veiga
May 2017

“Impugnación de acuerdos sociales y medidas cautelares: apuntes a dos autos del TS”

Publication: Litigation Year Book 2011 (Anuario Contencioso 2011). Wolters Kluwer
Authors: Ainhoa Veiga
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