Best infrastructure companies to invest in Spain

Discover top Spanish infrastructure companies for investment opportunities in the construction and engineering sectors. This includes major players in transportation, energy, and public works, offering insights for investors looking into the Spanish market. Explore firms with strong international presence and robust financial performance, crucial for a diversified investment portfolio.

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  1. 1

    Comsa Corporación

    240 Global Votes
    • Constructora más longeva de España

      (+4)

    Comsa Corporación is a global infrastructure and technology group, with expertise in railways, civil engineering, and building construction. Its inclusion in the ENR Top 250 ranking of international contractors highlights its business outside of Spain and its capability in complex projects.

  2. 2

    Cellnex Telecom

    199 Global Votes
    • Actor clave en la modernización de redes móviles europeas

      (+4)

    Cellnex is the leading European operator of wireless telecommunications infrastructure, managing an extensive network of towers. It is considered a growth driver in the technology sector, with a strategic shift towards capital optimization and free cash flow generation.

  3. 3

    ACS (Construction and Services Activities, S.A.)

    0 Global Votes
    • Lleva a cabo actividades de construcción y servicios para infraestructuras y energía

      (+4)

    ACS is a global leader in construction and infrastructure management, with a strong presence in the United States through key subsidiaries. Bank of America recommends it for 2026, highlighting its international leadership and the boom in data center construction in the U.S.

  4. 4

    Ferrovial, S.E.

    0 Global Votes
    • Beneficio de 460 millones de euros en 2023

      (+4)

    Ferrovial is a leading global operator of transport infrastructure, focusing on toll roads in North America and airports. Bank of America includes it on its favorites list for 2026, anticipating double-digit revaluation potential and significant EBITDA growth.

  5. 5

    Acciona SA

    0 Global Votes
    • Líder global en soluciones de infraestructuras sostenibles

      (+4)

    Acciona is a leading global group in sustainable infrastructure and renewable energy solutions. Its strong international business in renewables and significant investment in R&D keep it a key player in the energy transition and sustainable infrastructure.

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  7. 6

    Sacyr

    0 Global Votes
    • Beneficio neto trimestral de 38 millones de euros

      (+4)

    Sacyr is an infrastructure and services company with a significant international presence, especially in concessions. Bank of America gives it a Buy rating for 2026, highlighting its pre-selection for major managed lanes projects in the U.S.

  8. 7

    Iberdrola

    0 Global Votes
    • Amplía su portafolio en modelos de negocio innovadores y sostenibles

      (+4)

    Iberdrola is one of the largest energy companies in the world, a leader in renewable energy and smart grids. Its global diversification and network development in the U.S. and UK bring significant benefits, leading the development of wind and solar projects.

  9. 8

    Naturgy Energy Group, S.A.

    0 Global Votes
    • Invertirá 1.218 millones en digitalizar su red eléctrica

      (+4)

    Naturgy is a multinational energy company with a strong presence in gas and electricity distribution. Its electricity distributor, UFD, will invest significantly until 2029 to strengthen and digitalize its network in Spain, which is crucial for improving service and capacity.

  10. 9

    Redeia Corporación, S.A.

    0 Global Votes
    • Gestor global de infraestructuras esenciales de electricidad y telecomunicaciones

      (+4)

    Redeia, manager of the Spanish electricity system, leads the potential of Ibex 35 energy stocks in 2026. With an upside potential of 11.05% and growing investment in R&D, it is a fundamental pillar for the country's energy infrastructure.

  11. 10

    FCC Construction S.A.

    0 Global Votes
    • Impulsa la innovación con proyectos de I+D+i

      (+4)

    FCC is a global group of citizen services with construction, environment, and water divisions. It appears in the ENR Top 250 ranking of international contractors and is valued for its reputation in infrastructure, participating in important tenders in the U.S.

  12. 11

    OHLA, S.A.

    0 Global Votes
    • Crecimiento del EBITDA del 46%

      (+4)

    OHLA is a global infrastructure group with experience in concessions, construction, and services. It ranks among the top Spanish contractors by international business volume, according to the ENR Top 250 ranking, and seeks opportunities in the U.S. market.

  13. 12

    Grupo San José, S.A.

    0 Global Votes
    • Grupo empresarial cotizado, sólido y diversificado

      (+4)

    Grupo San José is a construction and real estate group with activities in infrastructure, building, and development. It is one of the Spanish companies with the largest international construction business, according to the ENR Top 250 ranking, reflecting its global expansion.

  14. 13

    Aldesa

    0 Global Votes
    • Participa en proyectos de infraestructuras viarias, portuarias y ferroviarias

      (+4)

    Aldesa is a construction, energy, and concessions group with an international presence. It is included in the ENR Top 250 ranking of international contractors for its foreign business volume, demonstrating its capability and global expansion in the sector.

  15. 14

    Sener Engineering Group, S.A.

    0 Global Votes
    • Crecimiento de ingresos del 34% en 2024

      (+4)

    Sener Engineering Group is an engineering and technology group with projects in infrastructure, energy, marine, and aerospace. It appears in the ENR Top 250 ranking of international contractors, reflecting its capability and presence in global infrastructure projects.