Recognised for its ‘deep knowledge of the sector', 'practical solutions', and 'goal-orientation’, the public law practice at Clifford Chance boasts a robust offering which includes litigation, regulatory, transactional, and advisory services. The team has particular strength in the energy sector, although it is also active in mandates concerning the technology, aviation, and transport spaces. Jaime Almenar, who heads up the department, has extensive experience in public procurement, regulatory filings, and investments, particularly focusing on the energy and telecoms sectors. The firm also benefits from the expertise of José Luis Zamarro, who is proficient in public-private partnerships (PPPs), concessions, and privatisations, as well as financial sector regulations. Other key practitioners include infrastructure specialist Carme Briera, public procurement expert Marc Casas, Octavio Canseco, a reference for administrative law litigation, and Mónica Romero, who concentrates on green refinancing and investments.

Bringing together expertise in town planning, and environmental and constitutional law, Cuatrecasas‘ public law department is capable of handling contentious and non-contentious issues, including public procurement, PPPs and administrative litigation. The group is also often called upon to assist with regulatory issues of corporate and finance transactions. Spearheading the group is Luis Pérez de Ayala, who specialises in regulatory and administrative law mandates related to energy and renewables. Félix Plasencia focuses on public contracts and administrative litigation; Jorge Botella excels in public procurement and transactional work; and Nicolás González-Deleito is the name to note for administrative concessions, regulatory law and town planning mandates.

The ‘highly experienced’ public law team at Garrigues stands out for its expertise in public procurement, PPPs, and administrative litigation. The team provides counsel on public law matters related to a wide range of infrastructure projects—both domestic and cross-border—including hospitals, highways, ports, and waste treatment facilities. Practice head Alfredo Fernández Rancaño focuses on administrative law mandates applicable to a range of industries, notably transport, energy, telecoms and healthcare; his key areas of activity include public infrastructure financing, administrative contracts, and PPP models. On the administrative-contentious front, Miguel Loya Del Río stands out for his aptitude in litigation and sanctioning proceedings, while Javier Manchado is especially active in the energy, healthcare and life sciences sectors. Javier Fernández Rivaya is another key practitioner devoted to administrative litigation and sanctioning proceedings.

Drawing on its in-depth knowledge of environmental, regulatory and infrastructure matters, Gómez-Acebo & Pombo‘s team is well versed in a wide range of public law mandates, including public procurement and contentious-administrative proceedings. Practice head Carlos Vázquez has a wealth of experience in contracts, concessions and public law issues concerning the waste, water and energy sectors. The department also features Irene Fernández Puyol, who is singled out for her expertise in regulatory issues concerning the healthcare and life sciences segments. Other notable practitioners include Santiago Garrido de las Heras, a name to note for matters involving regulated sectors, most notably energy, and Borja Carvajal, who is especially active in energy and infrastructure-related mandates.

Linklaters‘ public law practice in Spain is noted for its ‘technical and legal capabilities’ in both contentious and non-contentious matters. The team is skilled at handling transactional and regulatory work, as well as administrative litigation across sectors such as energy, telecoms, and oil and gas. The ‘exceptional’ José Giménez heads up the department, bringing extensive expertise in contentious, advisory, and regulatory matters, including judicial challenges, regulatory disputes, and concessions. Jorge Toral, who was promoted to counsel in May 2024, specialises in renewable energy project agreements and is highly skilled in public procurement and transactions involving regulated sectors. The team also benefits from the expertise of Rocío Beotas, who focuses on regulated sectors. Mario García is no longer at the firm.

The public law team at Pérez-Llorca 'stands out for its in-depth technical knowledge in complex regulatory areas'. Public contracts, concessions and transactions in regulated sectors are all core areas of activity for the team, which has a strong track record in matters before an array of judicial and administrative bodies, including the Supreme Court. The department is led by Juan Rodríguez Cárcamo, recognised for his expertise in regulatory matters, particularly in relation to the European Union, and public procurement. Elena Veleiro is highly adept at handling public works contracts, public service concessions as well as related litigation. Natalia Olmos acts for public and private entities in contentious-administrative proceedings, with a keen focus on matters concerning infrastructure and construction.

The public law department at Uría Menéndez has a breadth of expertise which covers banking regulations, energy, infrastructure, transport, telecoms, healthcare and consumer protection regulations, among others. The team excels in administrative and judicial proceedings before Spanish and European courts, and also stands out for its wealth of experience in public procurement and contracting matters. Leading the practice is Mariano Magide, who specialises in public contracts, public infrastructure, and administrative litigation. Manuel Vélez stands out for his deep knowledge of regulated sectors, public procurement and public authority liability. Other notable practitioners include Miguel Martínez Gimeno, who draws on his former role as General Director of the Legal Service of the Spanish Securities and Exchange Commission; and administrative law experts José Alberto Navarro, José Miguel Fatás and Xavier Codina García-Andrade.

Baker McKenzie's public law practice is noted for its robust offering, which covers regulatory, administrative, litigation, and advisory services, and 'top-level legal advice in a wide range of regulated sectors, such as infrastructure, telecoms, energy, and more'. Demonstrating significant expertise in administrative contracts, public bids and tenders, the team is also active in administrative law disputes and foreign investment projects. Jointly leading the department are energy, natural resources and infrastructure specialist Antonio Morales, noted for his 'ability to navigate the complexity of public-private sector relationships', and public procurement and litigation expert Elisabet Cots. Xavier Junquera  is no longer at the firm.

Noted for its ‘excellent customer service and outstanding technical knowledge,’ CMS Albiñana y Suárez de Lezo's team is capable of handling both contentious and non-contentious public law matters. Key areas of expertise include regulatory issues, transactions involving highly regulated sectors, public procurement, contentious-administrative cases, and PPPs. Practice head Ignacio Grangel has a wealth of experience in public procurement and mandates involving regulated sectors, most notably energy and telecoms. Telecoms and infrastructure expert Javier Torre de Silva stands out for his ability to find ‘solutions that are well suited to each situation’, while Alfonso Codes is recognised for his aptitude in contentious matters. Juan Moreno excels in complex regulatory matters, and José Luis Pérez-Campoamor is recommended for administrative law work involving the energy, infrastructure, transport, and telecoms segments.

PPPs, regulatory issues, and contentious-administrative proceedings are key areas of focus for the public law team at Ramón y Cajal Abogados, which is regularly instructed by clients operating in a wide range of sectors, including energy, social services, and agri-food, to name a few. Practice head Carlos Melón advises both private and public entities on administrative and governmental proceedings, public procurement, and PPPs, demonstrating particular strength in the gambling, pharmaceuticals, and insurance sectors. Pablo Silván is a name to note for administrative law mandates concerning the energy, natural resources, infrastructure, transport and telecoms segments. Jose Ignacio Vega is another key contact for advice on public procurement and concessions.

A&O Shearman‘s public law practice is well placed to assist with administrative and regulatory issues involving the infrastructure, utilities, and telecoms sectors, among others. Former practice head Pablo Mayor notably departed the firm in July 2024, leaving Victoria Martín Sanz as the primary point of contact in the team. Sanz specialises in public procurement and contentious-administrative proceedings, with a particular focus on the gambling, energy, and transport industries. The group also benefits from the expertise of Álvaro Sánchez-Bordona, who concentrates on domestic and cross-border transactions and administrative proceedings, with a special emphasis on the energy, telecoms and transport segments, and Leopoldo Reaño, who stands out for his aptitude in administrative appeals, sanctioning proceedings, and environmental law. Mario García joined from Linklaters in March 2025.

Andersen provides a comprehensive range of services, including support with public procurement and administrative proceedings, along with expertise in sustainable development, energy regulation, industrial environmental issues, and urban planning. The public law practice's broad expertise in the energy, natural resources, transport and mobility sectors continues to draw new clients. Infrastructure, construction, and urbanism specialist José Vicente Morote co-heads the department alongside Arancha Bengoechea, who advises both public and private entities on contentious-administrative matters, public tenders, and PPPs. The group also benefits from the aptitude of José Miguel López, who shines in administrative proceedings, public contracting and infrastructure matters.

With a strong presence in the energy, infrastructure and TMT sectors, Deloitte Legal’s public law practice is skilled in administrative appeals, urban planning matters, public procurement, and regulatory issues. The department is under the leadership of María Guinot Barona, who stands out for her expertise in the energy sector; regulatory matters, transactions, and contentious-administrative proceedings are key areas of focus for the practice head. Salvi Pagès is a reference for administrative procedures, public sector contracting and urban planning, while Carlos Tallón focuses on regulated sectors, most notably energy and infrastructure.

DLA Piper is regularly sought for advice on public procurement, administrative proceedings and regulatory issues, showcasing particular strength in the infrastructure, energy, healthcare and defence sectors. Practice head José María Barrios, noted for his 'enormous capacity for work, ability to motivate, and knowledge of regulated sectors', brings significant experience in public procurement, expropriation and town planning. José Manuel Sala is a name to note for judicial review proceedings, while Carlos Daza shines in matters concerning public law and regulated sectors.

Offering advisory, transactional and litigation services, Eversheds Sutherland's public law department is regularly instructed by clients from regulated sectors such as infrastructure, transport, and pharmaceuticals on matters related to government contracts, concessions, and urban planning. The team is jointly led by Alberto Dorrego, who specialises in public procurement, government contracts, and PPPs, and Andrés Jimenéz Diaz, who stands out for his expertise in administrative proceedings, infrastructure transactions, and public law litigation. Another notable name in the practice is Claudia García, who focuses on advising pharmaceutical companies on administrative and judicial proceedings.

A wide range of clients - including major companies, public authorities, and funders operating in the energy, telecoms, infrastructure and mining sectors - regularly turn to Herbert Smith Freehills LLP for for for advice on public procurement, contentious-administrative cases and sanctioning proceedings. Practice head Iria Calviño excels in administrative litigation, and has a wealth of experience in public law matters at the domestic and European level. José Ramón Mourenza is noted for his expertise in public procurement and contentious appeals, with a focus on the energy and mineral resources sectors. Esther Lumbreras is a key contact for major corporations, investment banks, and public entities.

Recognised in the Spanish market for its 'extensive national and international experience', Hogan Lovells Spain offers advice on the full range of public, administrative, and regulatory law matters, including concessions, public procurement, and PPPs. The team has particular expertise in the infrastructure, energy, TMT, and healthcare sectors. Fernando Calancha Marzana, a state lawyer on leave of absence noted for his regulatory know-how, has extensive experience advising on regulatory, contentious, and corporate matters involving public and administrative law components. Also part of the core team, Lucas Osorio is adept in PPPs and infrastructure mandates, and Borja Fernández Burgueño, who handles public procurement, regulatory matters and litigation.

With expertise in the life sciences, energy, and utilities sectors, Bird & Bird's public law department offers support on regulatory compliance, public contracts, and regulatory matters. The team is well placed to advise clients on a wide range of mandates, including administrative litigation proceedings, administrative infringements and sanctions, and public tenders Leading the practice is Coral Yáñez, a reference for healthcare companies on all kinds of regulatory issues and administrative proceedings. The team also benefits from the expertise of Enrique Rivas Alba, who specialises in public procurement, and Alejandro Sola Herrera, who has a strong track record in contentious-administrative cases involving the tech and telecoms sectors.

The public law team at BROSETA Abogados is adept at advising on the management and financing of public infrastructure projects. Additionally, the group is also well positioned to assist with urban planning, public procurement and regulatory matters concerning the energy and mining sectors. Rosa Vidal, who focuses on administrative law, planning, and environmental matters, jointly oversees the group with Fernando Cacho, a key contact for the procurement of administrative concessions; Alberto Palomar, who excels in contentious-administrative proceedings; José Luis Aguilar, who acts for companies and public entities; administrative and planning law specialist Andrés Campaña; and Verónica Ester.

DWF-RCD  stands out for its expertise in public sector regulation and administrative proceedings involving the healthcare, science and research sectors. The group excels in advising on the implementation of entrepreneurship and R&D policies. Ignasi Costas, who heads the innovation department, and Eva Gimenez Corrons, a name to note for administrative law and urban planning, jointly oversee the practice. Key support is offered by Alejandro Griffiths, who handles procurement matters concerning universities, research centres and tech companies.

With experience representing clients before courts and regulatory bodies in disputes regarding concessions and construction, the public law department at EY Abogados continues to attract new clients, predominantly from the energy sector. Heading up the practice is Pablo Dorronsoro, who specialises in infrastructure, telecoms, and energy-related matters, notably litigation. Other key practitioners include Laura de Pedro, who concentrates on mandates concerning public contracts and public administration assets, and Marta Salazar Díaz, who advises on regulatory and public law issues.

With a strong following of public sector entities, KPMG Abogados, Spain is particularly well versed in advising on the implementation and adaptation of EU regulations concerning public procurement, environmental and social clauses and data protections. The group, which is predominantly instructed by clients from the healthcare, energy, transport, and telecoms sectors, is also adept in urban planning and the implementation of ESG requirements. Practice head Carmen Mulet Alles is recognised for her breadth of experience in the public law field. Clara Alcaraz provides regulatory advice to funds and corporates, with a special emphasis on energy and infrastructure.

Marimón Abogados' public law practice has a robust offering which includes public procurement, public contracting, administrative proceedings, and town planning. The team has seen a particular uptick in regulatory advisory work related to environmental law for infrastructure, energy, construction, and tourism companies. PPP specialist Antonio Alcolea co-heads the group alongside Nathalie Klefisch, who is an expert in administrative and contentious-administrative proceedings.

With extensive expertise in the energy sector, the public law team at MVA ASOCIADOS offers assistance with litigation at the national and EU level, public procurement processes, as well as permitting issues concerning renewable energy projects. Gervasio Martínez-Villaseñor heads up the group and stands out for his track record in contentious-administrative proceedings, public procurement, and environmental issues. The department also benefits from the expertise of Javier Montalvo, who focuses on administrative proceedings involving the power, and oil and gas sectors, and Gonzalo Rubio, who handles a mix of contentious and non-contentious public law work and is singled out for his experience in water concessions-related issues.

ONTIER's public law department is regularly instructed by public sector entities, private enterprises, and individuals in relation to urban planning, energy regulatory issues, and infrastructure projects. The group is also well positioned to advise on judicial and administrative proceedings at the domestic and EU level. The group is under the joint leadership of administrative law specialist Francisco Javier Loriente Sainz and Jorge Álvarez González, who is skilled in contentious proceedings and dealings with public sector bodies. Javier Alagón Serrano is a name to note for energy-related matters.

The public law team at Pinsent Masons LLP has extensive experience handling due diligence, public procurement, administrative proceedings, and litigation for public sector entities and private entities operating in highly regulated industries, including healthcare, energy, telecoms, banking and transport, the latter of which is a key area of strength for the department. Amaia Rivas Kortazar, a key contact for clients from the energy, financial and real estate segments, advises on all types of legal proceedings before national and EU courts. She oversees the practice alongside Miguel Nieto Menor, who focuses on transport and mobility mandates.

PwC Tax & Legal Services' regulatory law department has an impressive track record in the management of legal proceedings related to the bailout of toll road concessions. In addition, it is well placed to advise companies and public administrations on access to European funds, and also handles public procurement and related litigation in the infrastructure and transport sectors. Co-head David Mellado Ramírez draws on his previous experience in public office to advise a wide range of clients on public law matters, while fellow co-leader José Amérigo Alonso focuses on mandates concerning governance and the public administration.

Noted for its ‘experience in the public sector and in complex matters that require diplomacy and discretion’, Toda & Nel-lo's public law practice is adept at handling administrative and contentious-administrative appeals, civil and urban planning matters, and public infrastructure projects. Co-leading the group are Ignacio Toda, Ricard Nel-Lo, and Javier García, all of whom bring a wealth of experience to the team. Toda concentrates on litigation, Nel-Lo focuses on public procurement, and García is recognised for his aptitude in administrative proceedings.

Villar y Asociados Abogados is well-versed in public procurement, mandates involving regulated sectors, as well as infrastructure and public services contracting. The group, which is predominantly retained by large construction and services companies, is also active in judicial and administrative proceedings. Practice head José Luis Villar is proficient in administrative contracting, construction, and infrastructure concessions.