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Antoni Companys i Alet
Antoni Companys i Alet

Contact

acompanys@perezllorca.com
T: +34 93 255 88 89
M: +34 638 371 590
Av. Diagonal, 640 8
08017 Barcelona
Spain

Practices and Sectors

  • Administrative Law
  • Environment
  • ESG Criteria and Climate Change Regulation
  • Telecom

Profile

Antoni joined the firm as Counsel in 2023, and has more than 15 years of experience in the field of public and environmental law.

Between 2010 and 2022 he worked in a well-known Spanish law firm, and between 2022 and 2023 he worked in a Big Four firm as the director for the environmental law area in Spain.

Studies:

  • 2017 — Master of Laws (LL.M), King’s College London.
  • 2010 — Degree in Law, Universitat Pompeu Fabra.
  • 2008 — Degree in Economy, Universitat Pompeu Fabra.

He speaks Spanish, English and Catalan.

Experience

Antoni regularly advises companies and public entities operating in regulated sectors on all kinds of administrative and environmental law matters.

He has extensive experience in public procurement and public-private partnerships, authorisations and licences, public concessions (water, mines, coasts and ports), sanctioning procedures and administrative liability, among others. Antoni advises in a variety of sectors, including public services, industry, infrastructure, telecommunications, tourism, food and tobacco.

In terms of his environmental practice, Antoni advises industrial activities subject to high administrative intervention, in particular in relation to the promotion and modification of industrial facilities and compliance with applicable environmental and sectorial regulations. He also intervenes in the context of disputes relating to the environmental liability of companies (restoration of contaminated land and mining operations, waste management, etc.), industrial safety regulations and environmental taxes.

Antoni also advises companies from different sectors on extended producer responsibility and projects linked to the circular economy, on matters related to waste as well as water.

His practice covers regulatory advice in the context of M&A transactions as well as project finance.

In the litigation field, he participates in contentious-administrative proceedings, civil lawsuits with a regulatory or environmental component, as well as in accounting liability proceedings before the Court of Auditors.

Academic and publishing collaborations

He has lectured in the following courses:

  • Expert Diploma in Management of Concession Contracts, Universitat de Barcelona (2025 academic year)
  • Course on Public Sector Contracting, Barcelona Bar Association (2024-2025 academic years).
  • Master’s degree for Access to the Legal Profession, Universitat Pompeu Fabra (academic year 2021).
  • Master’s degree in Advanced Public Procurement, Universitat de Barcelona (academic years 2021 and 2022).

In addition, he has published the following articles:

  • Novedades del régimen jurídico de la reutilización de aguas residuales. Aspectos controvertidos y principales aportaciones del Real Decreto 1085/2024, de 22 de octubre, por el que se aprueba el Reglamento de reutilización del agua”, Pérez-Llorca Legal Journal, no. 12, December 2024.
  • Consideraciones sobre el Proyecto de reglamento de reutilización de las aguas y el nuevo modelo legal de fomento de la economía circular del agua”, Revista Técnica de Medio Ambiente, no. 252, January/February 2024, (pp. 158-164)
  • El nuevo protagonismo de los SCRAP y su difícil encaje con el régimen de los servicios públicos de gestión de residuos”, Expansión, 3 November 2023.
  • “Contribución al nuevo régimen de suelos y aguas subterráneas contaminadas. Problemática derivada de la aplicación conjunta del régimen de suelos contaminados y de residuos” (co-authored with Juan Antonio Loste), La Ley, no. 9699, 2020.
  • “Principales novedades introducidas por las Leyes 39/2015 y 40/2015 en materia de procedimiento administrativo y régimen jurídico de las Administraciones públicas”, Actualidad jurídica Uría Menéndez no. 41, October-December 2015, pp. 85-95.
  • “Construyendo un modelo colombiano de infraestructuras”, Notimérica, 5 March 2015.

Professional organisations

The Barcelona Bar Association (ICAB).

Member of the Board of the Administrative Law Section of the Barcelona Bar Association (ICAB).

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Counsel

Antoni Companys i Alet

Licence no. 35243

The Barcelona Bar Association

Team

Lawyers

Practices and Sectors
Position
Office

Counsel Antoni Companys i Alet

Licence no. 35243

The Barcelona Bar Association

Office

Barcelona

Contact

acompanys@perezllorca.com
T: +34 93 255 88 89
M: +34 638 371 590
Av. Diagonal, 640 8
08017 Barcelona
Spain

Profile

Antoni joined the firm as Counsel in 2023, and has more than 15 years of experience in the field of public and environmental law.

Between 2010 and 2022 he worked in a well-known Spanish law firm, and between 2022 and 2023 he worked in a Big Four firm as the director for the environmental law area in Spain.

Studies:

  • 2017 — Master of Laws (LL.M), King’s College London.
  • 2010 — Degree in Law, Universitat Pompeu Fabra.
  • 2008 — Degree in Economy, Universitat Pompeu Fabra.

He speaks Spanish, English and Catalan.

Experience

Antoni regularly advises companies and public entities operating in regulated sectors on all kinds of administrative and environmental law matters.

He has extensive experience in public procurement and public-private partnerships, authorisations and licences, public concessions (water, mines, coasts and ports), sanctioning procedures and administrative liability, among others. Antoni advises in a variety of sectors, including public services, industry, infrastructure, telecommunications, tourism, food and tobacco.

In terms of his environmental practice, Antoni advises industrial activities subject to high administrative intervention, in particular in relation to the promotion and modification of industrial facilities and compliance with applicable environmental and sectorial regulations. He also intervenes in the context of disputes relating to the environmental liability of companies (restoration of contaminated land and mining operations, waste management, etc.), industrial safety regulations and environmental taxes.

Antoni also advises companies from different sectors on extended producer responsibility and projects linked to the circular economy, on matters related to waste as well as water.

His practice covers regulatory advice in the context of M&A transactions as well as project finance.

In the litigation field, he participates in contentious-administrative proceedings, civil lawsuits with a regulatory or environmental component, as well as in accounting liability proceedings before the Court of Auditors.

Academic and publishing collaborations

He has lectured in the following courses:

  • Expert Diploma in Management of Concession Contracts, Universitat de Barcelona (2025 academic year)
  • Course on Public Sector Contracting, Barcelona Bar Association (2024-2025 academic years).
  • Master’s degree for Access to the Legal Profession, Universitat Pompeu Fabra (academic year 2021).
  • Master’s degree in Advanced Public Procurement, Universitat de Barcelona (academic years 2021 and 2022).

In addition, he has published the following articles:

  • Novedades del régimen jurídico de la reutilización de aguas residuales. Aspectos controvertidos y principales aportaciones del Real Decreto 1085/2024, de 22 de octubre, por el que se aprueba el Reglamento de reutilización del agua”, Pérez-Llorca Legal Journal, no. 12, December 2024.
  • Consideraciones sobre el Proyecto de reglamento de reutilización de las aguas y el nuevo modelo legal de fomento de la economía circular del agua”, Revista Técnica de Medio Ambiente, no. 252, January/February 2024, (pp. 158-164)
  • El nuevo protagonismo de los SCRAP y su difícil encaje con el régimen de los servicios públicos de gestión de residuos”, Expansión, 3 November 2023.
  • “Contribución al nuevo régimen de suelos y aguas subterráneas contaminadas. Problemática derivada de la aplicación conjunta del régimen de suelos contaminados y de residuos” (co-authored with Juan Antonio Loste), La Ley, no. 9699, 2020.
  • “Principales novedades introducidas por las Leyes 39/2015 y 40/2015 en materia de procedimiento administrativo y régimen jurídico de las Administraciones públicas”, Actualidad jurídica Uría Menéndez no. 41, October-December 2015, pp. 85-95.
  • “Construyendo un modelo colombiano de infraestructuras”, Notimérica, 5 March 2015.

Professional organisations

The Barcelona Bar Association (ICAB).

Member of the Board of the Administrative Law Section of the Barcelona Bar Association (ICAB).

Office

Barcelona

Contact

acompanys@perezllorca.com
T: +34 93 255 88 89
M: +34 638 371 590

Av. Diagonal, 640 8
08017 Barcelona
Spain