Largest Companies in Spain by Revenue (2026)

Banco Santander is the largest company in Spain by revenue and ninth-largest in Europe in the Fortune 500 Europe 2026, with fiscal 2025 revenue of US$145.1bn, 0.86% lower in dollar terms, and profit of US$15.9bn, the highest of any Spanish company. The Madrid-based bank operates retail, commercial, corporate and investment banking, wealth management, insurance and payments businesses across Europe and the Americas. It employs 200,741 people and ranks 54th in the 2026 Fortune Global 500.

BBVA, founded in 1857, reported fiscal 2025 revenue of US$87.0bn and profit of US$11.9bn. Fortune lists its headquarters as Bilbao, where the bank originated, while its main operational and corporate headquarters are in the Ciudad BBVA complex in Madrid. Besides Spain it operates significantly in Mexico, Turkey and South America. It employs 127,174 people.

ACS, a Madrid-based infrastructure group founded in 1997, designs, builds, operates and invests in civil-engineering, construction, concession and services projects. It had the fastest revenue growth among the Spanish entries, 24.88% in dollar terms, to US$56.2bn, with profit of US$1.1bn. With 167,803 employees it is Spain's second-largest employer on the list, after Santander.

Repsol is a Madrid-based energy company active in oil and gas exploration and production, refining and distribution, and in renewable and low-carbon power generation. It reported 2025 revenue of US$54.5bn, down 1.87% in dollar terms, and profit of US$2.1bn. Josu Jon Imaz is chief executive.

Iberdrola is a multinational energy group headquartered in Bilbao that invests in renewable generation, smart grids and large-scale energy storage, and says it supplies energy to nearly 100 million people. Its 2025 revenue rose 6.18% to US$51.4bn, and its profit of US$7.1bn was the fourth-highest among Spanish companies. Pedro Azagra is chief executive.

Inditex, founded by Amancio Ortega in 1985, sells apparel, footwear, accessories and homewares through eight brands, including Zara, Bershka and Massimo Dutti. For the fiscal year ended 31 January 2026 it reported revenue of US$45.4bn, up 9.27% in dollar terms, and profit of US$7.1bn. The group is based in A Coruña, Galicia, and employs 114,744 people.

Mercadona, the Valencia-based supermarket chain, is the largest privately held company in Spain on Fortune's list. Revenue rose 11.83% in 2025 to US$43.1bn and profit was US$2.0bn. It employs 115,000 people and is led by Juan Roig. It ranks 369th in the 2026 Fortune Global 500.

Telefónica provides fixed and mobile telephony, broadband and subscription television in markets including Spain, Germany, the United Kingdom and Brazil, under brands such as Movistar, O2 and Vivo. It reported 2025 revenue of US$42.5bn, down 4.79% in dollar terms, and a loss of US$4.9bn, the only loss among the Spanish entries. Marc Murtra is chief executive.

Mapfre is the only insurer among Spain's largest companies; Fortune classifies it as a property and casualty insurer. It reported 2025 revenue of US$38.4bn, up 6.45% in dollar terms, and profit of US$1.3bn. The Madrid-based group employs 30,846 people and is led by Antonio Huertas.

CaixaBank, which Fortune lists as headquartered in Valencia, reported 2025 revenue of US$28.0bn, 5.49% lower in dollar terms, and profit of US$6.6bn. Its total assets of US$779.8bn are the third-largest among the Spanish companies, after Santander and BBVA. Gonzalo Gortázar is chief executive.

Acciona, which Fortune classifies as a utility, grew revenue by 10.84% in dollar terms in 2025 to US$25.0bn, with profit of US$906m. The Madrid-based group employs 68,502 people and is led by José Manuel Entrecanales.

Naturgy is a Madrid-based gas and electricity utility. It reported 2025 revenue of US$21.9bn, up 5.32% in dollar terms, and profit of US$2.3bn. With 6,764 employees it has the smallest workforce of any company in the Spanish ranking, and the highest revenue per employee. Francisco Reynés is chief executive.

El Corte Inglés is Spain's department-store group and one of two privately held companies in the Spanish ranking. For the fiscal year ended 28 February 2026, Fortune records revenue of US$17.3bn, up 8.82% in dollar terms, and profit of US$724m. It employs 81,830 people and is led by Javier Catena.

Gestamp is a Madrid-based supplier of metal components and structures for car makers, the only automotive company among Spain's largest companies. It reported 2025 revenue of US$12.8bn, down 1.37% in dollar terms, and profit of US$172m. It employs 43,639 people.

Banco Sabadell had the largest revenue decline among the Spanish entries: Fortune's bank revenue measure fell 29.02% in dollar terms to US$9.0bn. Profit was US$2.0bn and total assets US$288.2bn. The bank is based in Sabadell, near Barcelona, and is led by Marc Armengol.

Grifols, the Barcelona-based maker of plasma-derived medicines, is the only pharmaceutical company in the Spanish ranking. It reported 2025 revenue of US$8.5bn, up 8.80% in dollar terms, and profit of US$453m. It employs 25,258 people and is led by Nacho Abia.