ONTIER fields a ‘very close, multidisciplinary team with high levels of training’ who readily advises clients on matters relating to tax fraud, cyber crime, bribery and money laundering. The ’magnificent professional’ Berta Aguinaga Barrilero has extensive experience representing clients before various courts and tribunals. She oversees the team which is also home to seasoned criminal law practitioner Javier Cuairán García and Enrique Muñoz Blanco, who has a strong focus on socio-economic crimes and compliance programmes.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘Lawyers with experience in criminal matters, perfectly coordinated by the partner. Collaborations with people outside the firm are carried out magnificently under the direction of the partner. ’

  • ‘Berta Aguinaga Barrilero is a magnificent professional. She studies the issues in depth, giving, without a doubt, confidence to her clients. Apart from her professional qualities, we must highlight her personal values: friendliness, perseverance and serenity.’

  • ‘It is truly a team effort between the members of the firm.’

  • ‘Professionalism. They have studied and prepared the matter well in advance of our arrival. They know how to handle the topic and ask the right questions to obtain the necessary information without the client feeling pressured. Berta Aguinaga Barrilero and Enrique Muñoz  Blanco were excellent at their work. They listened to the client and oriented the matter appropriately.’

  • ‘Excellent in every way, both on a professional and human level.’

  • ‘A very close multidisciplinary team - always available and with high levels of training.'

  • ‘Ontier is an outstanding boutique law firm in Spain. They are very knowledge and can assist even in very complicated legal matters. They work as a team and they employ staff with different areas of expertise.’

  • ‘Juan Casanueva Pérez-Llanta: A seasoned very experienced lawyer who reads between the lines and thinks out of the box. He can come up with defense strategies that normal lawyers would not think about. Juan is available 24/7.'

Key clients

  • Antonio del Valle Ruiz (former member of the Board of Directors, BANCO POPULAR)
  • Ángel y Mr Álvaro Pérez-Maura García
  • Jesús Díaz Gómez (former Mayor of Noja, Cantabria) & Mr José Luis Sainz Messia-Jiménez (former Secretary of Noja, Cantabria)
  • Pablo Balbín Seco (Delegate of the General Directorate of Media in the Ministry of Education of the Community of Madrid)
  • Florencio Campos (former Mayor of Alcalá de Henares, Madrid)
  • NAVIERA F. TAPIAS GALICIA
  • FEDERACIÓN DE TENIS DE MADRID

Work highlights

  • Defending Antonio del Valle Ruiz, former member of the Board of Directors of Banco Popular, in criminal proceedings brought by Central Examining Court number 4 of the Audiencia Nacional against former directors of Banco Popular.

Practice head

The lawyer(s) leading their teams.

Berta Aguinaga Barrilero

Other key lawyers

Javier Cuairán García, Enrique Muñoz Blanco