Martifer
Portuguese industrial and energy group focused on metal construction and renewable-energy projects.
Last updated October 16, 2026
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Overview
Martifer is a Portuguese industrial group whose activities developed from metal construction into renewable energy. The business was established in 1990 in Oliveira de Frades by brothers Carlos Martins and Jorge Martins, initially employing 18 people and working in the metal-structure industry. Its original capabilities in steel fabrication, structural engineering, and project execution later provided the technical base for entry into wind and solar energy. The group entered renewable energy in 2004. Its energy activities have included the manufacture and supply of equipment and structures, engineering and construction work, development of electricity-generation projects, and participation in projects at different stages of development. Martifer has described its renewable-energy ambition as becoming an integrated provider of turnkey solutions for wind and solar projects rather than limiting itself to a single point in the value chain. Metal construction remains a central part of the group. Martifer has operated as a major player in the Iberian market for metal structures and has pursued opportunities in other European markets and Angola. Its work in this area encompasses industrial and infrastructure-related steel structures, fabrication, engineering, and installation. The combination of manufacturing and project-delivery capabilities has also enabled the company to participate in energy infrastructure and other large engineered projects. Martifer expanded internationally through subsidiaries and operating activities in Spain from 1999, Poland from 2003, Romania, the Czech Republic, Slovakia, and Germany from 2005, and Brazil and Angola from 2006. The group also entered the United States wind-tower market through a joint venture announced in 2009 with Hirschfeld Wind Energy Solutions, a Texas-based business associated with Hirschfeld Industries. That venture illustrates both the international scope of Martifer's strategy and the risks of expanding manufacturing capacity in a cyclical equipment market. The group holding company, Martifer SGPS, S.A., was listed on Euronext Lisbon in June 2007. Reference material describes the founding partners (through I'M SGPS, S.A.) and the Mota-Engil Group as the principal shareholder blocs at the time, together controlling roughly 80 percent of the company. A cited 2008 reference reports operating revenue of approximately EUR 650 million; this figure is historical and should not be treated as a current financial indicator. The Martifer brand therefore represents a diversified industrial platform rather than a consumer product line. Its principal identity combines steel structures, engineering, renewable-energy equipment, and project development. The group has historically sought international scale while maintaining a strong Iberian base, and its renewable-energy activities link manufacturing know-how to the development and delivery of wind and solar generation assets.
History
Martifer began operations in 1990 in Oliveira de Frades, in central Portugal, as a metal-structure company founded by brothers Carlos Martins and Jorge Martins. The enterprise started with 18 employees and built its early capabilities around steel fabrication, structural engineering, and the execution of metal-construction projects. These capabilities later became the foundation for the group's expansion into energy infrastructure. The group established an international presence progressively. Its expansion included Spain in 1999; Poland in 2003; Romania, the Czech Republic, Slovakia, and Germany in 2005; and Brazil and Angola in 2006. This network supported Martifer's ambition to remain a leading Iberian metal-construction business while competing for selected projects in Europe, Africa, and the Americas. A major strategic turning point came in 2004, when Martifer entered renewable energy. The group used experience from metal construction to develop an energy-equipment division and broadened its activities into wind and solar. Its renewable-energy model combined equipment and component manufacturing with engineering, construction, project promotion, and holdings in electricity-generation projects at various development stages. The intended result was an integrated, turnkey position in renewable-energy projects. Martifer's metal-construction business remained important during this diversification. The group positioned itself as a market leader in Iberia and sought to become a significant participant in selected European and Angolan markets. Its work covered steel structures and related engineering and construction services, providing an industrial base that could be applied to energy facilities and other infrastructure. Martifer SGPS, S.A. was listed on Euronext Lisbon in June 2007. Reference material identifies the founding partners, through I’M SGPS, S.A., and the Mota-Engil Group as the principal shareholder groups at the time, together controlling roughly 80 percent of the company. A historical reference reports operating revenue of EUR 650 million in 2008, although no current financial information is established by the supplied material. In June 2009, Martifer expanded its wind-manufacturing strategy in the United States through a joint venture with Hirschfeld Wind Energy Solutions of Texas. The partners planned a US$40 million facility in San Angelo, Texas, with an original target of 400 wind towers annually by 2013. The venture encountered a difficult pricing environment for wind towers between 2009 and 2011 and did not achieve its objectives. In July 2012, Hirschfeld announced that it had acquired Martifer's remaining half of the venture. The facility subsequently moved away from wind-tower production and was reported to be producing steel bridge structures by 2014; its last wind tower was made in 2012. Martifer's historical development is consequently defined by a transition from a Portuguese metal-structures specialist to a diversified international group linking industrial fabrication, engineering, renewable-energy equipment, and project development. Its brand remains associated with both engineered steel construction and renewable-energy delivery.
- 2014
Texas facility shifts to bridge structures
[1]The former wind-tower facility is reported to have been converted for steel bridge-structure production.
- 2012
Exit from the Texas wind-tower venture
[1]Hirschfeld acquires Martifer's remaining 50 percent stake; the plant's last wind tower is produced during the year.
- 2009
United States wind-tower joint venture
[1]Martifer and Hirschfeld Wind Energy Solutions announce a planned wind-tower manufacturing facility in San Angelo, Texas.
- 2007
Listing on Euronext Lisbon
[1]Martifer SGPS, S.A., the holding company, is admitted to trading on Euronext Lisbon in June.
- 2006
Expansion into Brazil and Angola
[1]The group adds operations or subsidiaries in Brazil and Angola.
- 2005
Further European expansion
[1]Martifer expands into Romania, the Czech Republic, Slovakia, and Germany.
- 2004
Entry into renewable energy
[1]Martifer enters renewable energy, applying its metal-construction know-how to energy equipment and project activities.
- 2003
Expansion into Poland
[1]The group extends its international network to Poland.
- 1999
Expansion into Spain
[1]Martifer begins its recorded international expansion with activity or a subsidiary in Spain.
- 1990
Martifer is founded in Portugal
[1]Carlos Martins and Jorge Martins establish the company in Oliveira de Frades with an initial focus on metal structures.
Products and positioning
An internationally oriented Portuguese engineering and industrial group combining Iberian metal-construction expertise with integrated wind and solar renewable-energy capabilities.
Industrial engineering and construction · 1990
Metal construction
Martifer's original and continuing business area covers the engineering, fabrication, and installation of steel and other metal structures. The group has served industrial, infrastructure, and energy-related applications and has historically positioned this activity as a leading business in the Iberian market.
Renewable-energy equipment · 2004
Wind-energy equipment and components
After entering renewable energy, Martifer developed activities connected with wind equipment and component manufacturing, drawing on its steel-processing expertise. The best-documented example is wind-tower production, including the former Texas joint venture with Hirschfeld.
Renewable-energy development · 2004
Wind projects
Martifer has promoted and participated in wind-electricity projects at different development stages. Its stated strategic model has included engineering, construction, equipment-related capabilities, and project holdings intended to support turnkey wind solutions.
Renewable-energy development · 2004
Solar projects
Solar energy is part of Martifer's renewable-energy scope. The group's positioning has included engineering and delivery of turnkey solar solutions as well as participation in electricity-generation projects.
Engineering services
Engineering and construction services
Engineering and project execution connect Martifer's metal-construction and energy businesses. Services described in the reference material include the development and delivery of structures, energy equipment, and renewable-generation facilities.
Brand decisions
2009
United States wind-tower manufacturing ventureStrategyBackground
Martifer pursued international growth in wind equipment and sought a manufacturing presence in the United States.
Action taken
It formed a 50/50 joint venture with Hirschfeld Wind Energy Solutions to build and operate a wind-tower facility in San Angelo, Texas.
Aftermath
The operation struggled in the 2009–2011 wind-tower pricing environment. Hirschfeld acquired Martifer's remaining stake in 2012, and the plant later shifted to bridge-structure production.
Planned facility investment. US$40 million estimated project cost (2009 announcement)
2007
Holding-company stock-market listingOtherBackground
Martifer had expanded beyond its original Portuguese metal-structure business and operated through a broader group structure.
Action taken
Martifer SGPS, S.A. was listed on Euronext Lisbon in June 2007.
Aftermath
The group became a publicly traded holding company while the founding partners and Mota-Engil remained the principal shareholder blocs described in the reference material.
2004
Diversification into renewable energyStrategyBackground
Martifer sought to extend its metal-construction expertise into the growing wind and solar sectors.
Action taken
The group entered renewable energy and developed an energy-equipment and project-development activity.
Aftermath
Renewables became one of the group's principal activity areas alongside metal construction.
Recent events
- 2014
Texas plant converted from wind-tower production to bridge structures[1]
Product generation
Following the end of the Martifer-linked wind-tower operation, the Texas facility was reported to have been converted for production of steel bridge structures. The last wind tower was produced there in 2012.
- 2012
Hirschfeld acquires Martifer's remaining stake in Texas wind-tower venture[1]
M&A
Hirschfeld announced that it had acquired Martifer's remaining 50 percent interest in the Texas joint venture for a small cash payment after the operation struggled in the difficult wind-tower pricing environment of 2009–2011.
- 2009
Martifer and Hirschfeld announce United States wind-tower joint venture[1]
M&A · Other
Martifer and Hirschfeld Wind Energy Solutions announced a joint venture to manufacture wind towers and related components in San Angelo, Texas. The planned facility was associated with an estimated investment of US$40 million and an intended production capacity of 400 towers per year by 2013.
Sources2 sources
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