Portugal’s construction sector is entering 2025 on a strong growth trajectory, driven by government reforms, housing initiatives, and European Union funding. The market received a major boost in December 2024 when the country secured EUR 2.9 billion from the EU’s EUR 22.2 billion Recovery and Resilience Plan for transport and energy infrastructure upgrades.

Largest construction firms in Portugal, such as Mota-Engil, Casais Group, Teixeira Duarte, Martifer, and ZAGOPE, are playing a central role in delivering the nation’s housing, infrastructure, and energy transition goals. The companies are also building an international presence across Europe, Africa, Latin America, and Asia with direct investments and partner companies.

This article highlights the top 5 biggest construction companies in Portugal for 2025, showcasing their focus areas, major projects, and contributions to the country’s infrastructure and economic growth.

List of the Top 5 Largest Construction Companies in Portugal (2025) - according to the latest revenue

Mota-Engil SGPS SA

Founded in 1946, Mota-Engil SGPS SA is the largest construction and infrastructure group in Portugal and a key player on the global stage. Headquartered in Porto and Lisbon, the company operates in more than 20 countries across Europe, Africa, and Latin America.

Its business spans three main divisions: Engineering and Construction, Environment and Services, and Transport Concessions. The company handles a diverse portfolio of works, including highways, bridges, railways, ports, airports, dams, tunnels, and canals.

Mota-Engil employs over 38,500 people worldwide and integrates 228 companies under its umbrella, such as Ascendi, SUMA, INDAQUA, Manvia, and Martifer, making it a diversified powerhouse in construction, waste management, port operations, and logistics.

Major construction projects by Mota-Engil:

• Abidjan Metro ( EUR 600 million), Ivory Coast

• Lisbon Metro Expansion (EUR 250 million), Portugal

• Tren Maya Railway, Mexico

• Kano-Maradi Railway, Nigeria

• Accra-Tema Motorway, Ghana

• New Bugesera International Airport, Rwanda

Casais Group

Founded in 1958, the Casais Group is one of Portugal’s largest and most internationally active construction companies. Originally established as António Fernandes da Silva & Irmãos, the company adopted the Casais family name in 1991, becoming Empreiteiros Casais de António Fernandes da Silva S.A., and later evolving into the Casais Group.

Its presence spans Europe, Africa, the Middle East, and the Americas, including key markets such as Germany, Belgium, the UAE, Brazil, the USA, Morocco, and the UK. This international growth is driven by strategic partnerships and cultural adaptability, ensuring the company delivers projects aligned with local needs while upholding global quality standards.

Recognized as the Best Construction Company in Portugal by the Construir Awards for three consecutive years. Today, the company operates in 18 countries, with international operations accounting for more than 80% of its global turnover.

Major Projects by Casais Group

Hospitality

• Fairmont the Palm – Luxury hotel in Dubai, UAE.

• Hilton Yas Island – Hotel development on Yas Island, Abu Dhabi, UAE.

• Crowne Plaza Yas Island – Hospitality project on Yas Island, Abu Dhabi, UAE.

Transportation & Infrastructure

• Zayed International Airport – Major airport project in Abu Dhabi, UAE.

• Quilonga Grande Water Supply System – Casais subsidiary CNT Bau is supplying pipes for Angola’s key water infrastructure in Luanda.

Other Projects

• Public Buildings – Development of government and community infrastructure.

• Industrial and Sports Buildings – Construction of industrial facilities and sports complexes.

• Commercial and Residential Complexes – Large-scale housing and commercial property developments.

Teixeira Duarte – Engenharia e Construções, S.A.

Founded in 1921 by engineer Ricardo Esquível Teixeira Duarte, Teixeira Duarte is one of Portugal’s oldest and most emblematic construction companies. Incorporated as a limited liability company in 1934 and transformed into a joint-stock company in 1987, it has been listed on Euronext Lisbon since 1998.

The company is the construction arm of the Teixeira Duarte Group and operates in geotechnical engineering, rehabilitation, buildings, infrastructures, underground and railway works, marine works, and metalworking.

Teixeira Duarte employs around 3,300 people and has operations in several markets, including Angola, Brazil, and Mozambique. Known for its pioneering spirit and focus on innovation, the company is committed to delivering value to clients, partners, employees, and communities while maintaining a long-term vision for sustainable growth.

Major construction projects by Teixeira Duarte

• Alvalade Hotel – Hospitality development in Angola.

• Talatona Automotive Hub – Industrial facility in Angola.

• Bank of Mozambique – Landmark financial building in Mozambique.

• Port of Nacala Rehabilitation – Infrastructure project in Mozambique.

• Hercílio Luz Bridge Restoration – Iconic bridge restoration in Brazil.

• MUDE Museum – Museum of Design and Fashion in Lisbon, Portugal.

• Fábrica 1921 Residential Project – Large-scale housing development in Lisbon, Portugal.

• River Plaza Residential Project – Modern residential complex in Portugal.

Zagope - Construções e Engenharia

ZAGOPE – Construções e Engenharia, S.A. began as a company focused on public works and has since become one of Portugal’s largest construction firms. The company develops major engineering and construction projects across Europe, Africa, and Asia, consistently delivering infrastructure that supports economic and social progress.

ZAGOPE is part of the Brazilian Andrade Gutierrez Group, one of Latin America’s largest private conglomerates with operations in engineering, construction, concessions, telecommunications, energy, and health services. The company represents the Group’s international arm outside Latin America, handling projects across multiple continents.

More than 8,000 employees drive ZAGOPE’s operations, which generated a turnover of EUR 506 million. The company ranks third among the largest construction firms in Portugal. Its approach emphasizes discipline, innovation, environmental responsibility, and compliance with local regulations, allowing it to successfully deliver projects that improve the quality of life for millions.

Major Projects by ZAGOPE

• Lisbon Metro Expansion (Portugal)

• Madeira Airport Extension (Portugal)

• EXPO 98 Infrastructure (Lisbon, Portugal)

• Odivelas Dam (Portugal)

• Road and Tunnel Projects in Portugal and Angola

• Janna Dam (International)

• Port of Setúbal Sea Terminal (Portugal)

Martifer SGPS

Founded in 1990 and headquartered in Oliveira de Frades, Portugal, Martifer SGPS, S.A. is a family-owned group operating primarily in metallic construction and renewable energy. Martifer has grown from a specialist in steel structures to a diversified industrial and energy group with operations in construction, the naval industry, and renewables.

The company entered the renewable energy sector in 2004, leveraging its expertise in metal construction to expand into energy equipment and solar solutions. Today, Martifer is a market leader in Iberia for metal construction and aims to strengthen its position in Europe and Angola.

Martifer’s business is divided into two key segments:

Metallic Construction:  Development of steel structures, glass and aluminum façades, wind turbine components, steel towers, and equipment for the offshore and oil industries. It also engages in industrial and naval construction projects.

Solar and Renewables: Development of photovoltaic projects, installation of solar parks, production and distribution of photovoltaic modules, and ventures in wind and biofuel energy.

Martifer’s major construction projects:

• Santiago Bernabéu Stadium (Spain)

• Geneva Airport (Switzerland)

• World Explorer Cruise Ship

• Douro River Hotel Ships (Portugal)

Want a detailed company profile?

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Why is this list of the largest Portuguese EPC companies important?

This list is important for Building/Project Owners, Clients, Engineers, Subcontractors, Construction Project Managers, Building Material Suppliers, and Architects. A compiled list of the most reputable and reliable construction companies in Portugal can allow you to identify the best relevant partners and address them directly for your next project.

If you want more information on the largest construction/EPC companies in the world, check out our publication here.

Portugal Construction Industry 2025

Portugal’s construction sector in 2025 is on a steady growth path, powered by government investment, EU funding, and an expanding pipeline of housing and infrastructure projects. The sector’s transformation is further reinforced by sustainable initiatives, energy transition priorities, and large-scale urban mobility upgrades.

Leading companies such as Mota-Engil, Casais Group, and Teixeira Duarte continue to drive the industry forward with their diversified expertise and proven ability to deliver complex, high-value projects at home and abroad.

At the same time, Martifer and ZAGOPE are strengthening the market’s depth through their focus on specialized sectors such as metal construction, renewable energy, and international engineering works, ensuring adaptability and resilience in an evolving construction landscape.

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