Spain has developed into an attractive destination for foreign investment and business in recent years. With its skilled workforce, business-friendly policies, and gateway location to Europe, Latin America and Africa, Spain offers significant opportunities across sectors like renewable energy, infrastructure, real estate, and more. When looking to invest or do business in Spain, it is helpful to know the major domestic companies and corporations that dominate different industries. This provides useful context on the competitive landscape and opportunities. In this article, we will highlight some of the top investment companies in Spain that foreign investors should be aware of.

The BBVA Group is a Leading Spanish Banking & Financial Services Company
BBVA is one of the largest financial services groups in Spain and a top multinational bank in Europe and Latin America. Headquartered in Madrid, BBVA offers banking, insurance, and investment services to over 80 million customers globally. The bank has a strong presence across Spain, with over 3,000 branches and 15 million customers in the country. BBVA has also expanded internationally and has major operations in markets like Mexico, Turkey, South America and the U.S. With total assets of $965 billion euros, BBVA is a dominant player in Spanish banking and finance that foreign investors need to know.
Ferrovial is a Major Spanish Infrastructure and Transportation Leader
Ferrovial is a leading Spanish infrastructure and transportation company with global operations. Headquartered in Madrid, Ferrovial operates toll roads, airports, public transport and environmental services around the world. The company manages highways in places like Canada, the U.S., and Europe. It owns 25% of Heathrow Airport in London, the UK’s largest. Within Spain, Ferrovial is a key player in developing public infrastructure through public-private partnerships (PPPs). The company has constructed major Spanish highways, built Madrid’s metro extensions, and manages Barcelona’s metro and tram systems. With 72,000 employees and revenues of €27 billion, Ferrovial is a Spanish leader in infrastructure and transportation that foreign investors need to know.
Iberdrola is a Top Spanish Company in Renewable Energy
As one of the world’s largest electric utilities, Iberdrola is a leader in renewable energy and a top Spanish company for foreign investors to know. Headquartered in Bilbao, Iberdrola operates in renewable energy, networks and customer solutions serving over 100 million people across Europe, the Americas and Australia. Within Spain, Iberdrola is the largest producer and supplier of wind power and has invested billions of euros in renewable energy assets across the country. The company aims to be carbon neutral in Europe by 2030 and globally by 2050. With over €39 billion in assets, major wind farms across Spain, and a focus on renewable energy, Iberdrola is a model of Spain’s transition towards sustainability that is key for foreign investors in this sector.
MAPFRE is a Leading Spanish Insurance Company with International Reach
MAPFRE is the largest insurance company in Spain and a leading multinational insurer in Europe and Latin America. Headquartered in Madrid, MAPFRE offers a comprehensive range of insurance products from auto to health to life and more. MAPFRE holds over 10% of the Spanish insurance market across all segments, along with sizable market share in countries like Brazil, Mexico, USA and Turkey. The insurance giant has over 35,000 employees worldwide, premium volumes exceeding €25 billion, and is continuing to expand abroad. MAPFRE is an example of a major Spanish corporation with international ambitions that foreign investors need to understand.
Inditex Operates Popular Fast Fashion Brands Like Zara
When it comes to retail and fashion, Inditex is arguably the most globally renowned Spanish corporation. As the parent company of Zara, Massimo Dutti, Pull&Bear and other popular brands, Inditex has pioneered fast fashion and become one of the world’s largest clothing retailers. Despite international success, Spain remains crucial to Inditex’s operations – accounting for about a quarter of its store network. Other key markets include China, France, Mexico and the U.S. With nearly 7,500 stores worldwide, over €27 billion in annual revenues and its headquarters located in Galicia, Inditex is a Spanish retail leader that foreign investors must recognize.
Telefónica is a Leading Spanish Telecommunications Company
As one of the largest telephone operators and mobile network providers in the world, Telefónica is a telecommunications leader in Spain and Latin America for foreign investors to recognize. Based in Madrid, Telefónica provides fixed and mobile telephony, broadband and subscription TV to over 346 million customers across Europe and the Americas. Within its home market of Spain, Telefónica continues to hold a dominant position – serving close to 18 million mobile customers. The company also has extensive operations in Latin American markets like Brazil, Mexico, Chile and Argentina. With €39 billion in annual revenues, Telefónica is a Spanish telecom giant with substantial influence across Europe and the Americas.
ACS Group is a Major Spanish Construction & Infrastructure Company
The ACS group is a leading Spanish corporation in construction, infrastructure and related services for foreign investors to know. Based in Madrid, ACS operates in sectors like transportation, renewable energy and mining through subsidiaries like Dragados and Hochtief. In Spain, ACS is involved in major public works like the high-speed rail network AVE. It also has a significant international presence with projects in the Americas, Africa and Asia Pacific. With revenues exceeding €30 billion annually and over 180,000 employees worldwide, ACS is a global Spanish leader in construction and infrastructure with influence across continents.
In summary, foreign investors in Spain should recognize leading local corporations like BBVA, Ferrovial, Iberdrola, MAPFRE, Inditex, Telefónica and ACS Group. These companies dominate key Spanish industries from banking and infrastructure to energy, insurance, retail and telecommunications. Understanding their market positions and influence will help foreign investors analyze opportunities and compete effectively as they expand into Spain.