Cengiz Holding
A privately owned Turkish conglomerate active in construction, infrastructure, energy, mining, tourism, and media.
Last updated August 22, 2026
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Overview
Cengiz Holding A.Ş. is a privately owned Turkish conglomerate whose principal activities include construction and engineering, energy generation and infrastructure, mining and metals, tourism, and media. The group was established in 1978 by Nihat Cengiz and has developed from a construction-centered enterprise into a diversified holding company associated with large public infrastructure, transport, utility, and industrial projects in Turkey. Construction and engineering remain central to the group’s identity. Through its construction interests and joint ventures, Cengiz has participated in major airport, transport, and other infrastructure developments. Its best-known infrastructure milestone came in 2013, when a consortium including Cengiz was awarded the contract to build Istanbul’s third international airport. The project was reported as having a total contract value of approximately €22 billion, making it one of the largest infrastructure concessions in Turkey at the time. The group has also been involved in other large-scale public works and engineering activities, although the available reference material does not provide a complete project list. Energy is another major business area. The group owns or operates interests connected with electricity generation and energy infrastructure, including the Cenal coal-fired power plant. Energy operations have made Cengiz part of Turkey’s industrial and infrastructure landscape, while also attracting environmental scrutiny because of the emissions associated with coal generation. Climate Trace estimated that the half-owned Cenal plant emitted more than seven million tonnes of greenhouse gases in 2022. The group has also stated that emissions from its aluminium production units in Seydişehir are substantially below European Union standards, while the Seydişehir complex continues to include a small coal-fired power station. In mining and metals, the group’s assets include Eti Bakır, a copper producer, and Eti Alüminyum, an aluminium company. These businesses connect Cengiz Holding to the extraction, processing, and industrial manufacturing portions of Turkey’s materials economy. The available sources describe the mining and metals operations as major interests but do not provide a full breakdown of reserves, production volumes, subsidiaries, or international sales. Cengiz has also expanded beyond infrastructure and heavy industry. Its stated or reported portfolio includes tourism and media. In July 2013, a joint venture involving the group acquired the daily newspaper Akşam, the Sky Turk 360 television channel, and Alem FM radio station for TL60 million. The acquisition placed the holding within Turkey’s media ownership landscape, although the supplied sources do not establish the subsequent ownership history or current status of those assets. The company is controlled by the Cengiz family and is not publicly listed. The holding’s positioning is that of an integrated Turkish industrial and infrastructure group capable of combining construction, project development, energy, mining, and related operating businesses. Its scale and participation in nationally significant projects have made it a prominent private contractor and industrial owner in Turkey. At the same time, its coal-related assets and involvement in major public contracts have generated public and environmental scrutiny. Detailed current financial statements, executive biographies, employee figures, and a definitive list of active subsidiaries are not established by the supplied reference material.
History
Cengiz Holding was founded in Turkey in 1978 by Nihat Cengiz. It began as a construction-oriented enterprise and subsequently developed into a diversified holding company with interests spanning engineering, infrastructure, energy, mining, metals, tourism, and media. The group remains privately controlled by the Cengiz family, with Mehmet Cengiz identified as its owner. The company’s development has been closely associated with Turkey’s large public infrastructure and industrial investment programs. Construction and engineering became the group’s principal platform, enabling it to participate in major transport and public works projects, often through joint ventures. The group’s activities have included project delivery and infrastructure development rather than only conventional building construction, giving it a role in complex, capital-intensive projects. A defining milestone occurred in May 2013, when a consortium including Cengiz Holding won the contract to build Istanbul’s third international airport. The project was reported at approximately €22 billion in total contract value and represented one of the most significant infrastructure awards in modern Turkey. The award reinforced Cengiz’s profile as a major domestic contractor and demonstrated the importance of consortium structures in the group’s expansion. Cengiz also broadened its industrial base through mining and metals. Its assets include Eti Bakır, associated with copper mining and processing, and Eti Alüminyum, associated with aluminium production. These businesses gave the group exposure to resource extraction, metals processing, and industrial manufacturing in addition to construction. The Seydişehir aluminium operations are reported to include a small coal-fired power station. Cengiz has stated that emissions at its aluminium production units are substantially below European Union standards, but the presence of coal generation has remained part of the environmental discussion around the group. Energy became another substantial business area. Cengiz has interests in electricity generation and related infrastructure, including the Cenal coal-fired power plant. In 2022, Climate Trace estimated that the half-owned facility emitted more than seven million tonnes of greenhouse gases. The plant’s inclusion in Urgewald’s Global Coal Exit List illustrates the tension between the group’s energy assets and international efforts to reduce coal-related emissions. The group also entered media ownership. In July 2013, a joint venture involving Cengiz acquired the Akşam daily newspaper, Sky Turk 360 television channel, and Alem FM radio station for a reported TL60 million. This transaction expanded the holding into news publishing and broadcasting, although the supplied material does not establish the later ownership structure or the current status of those outlets. By the period covered by the available sources, Cengiz Holding had become a broad Turkish conglomerate rather than a single-sector contractor. Its business model combines construction capabilities with ownership or operation of industrial assets, allowing it to participate in infrastructure development, energy supply, and raw-material processing. The group’s public profile is shaped both by its role in nationally significant projects and by criticism concerning environmental impacts and the relationship between large private contractors and public infrastructure awards. Current revenue, workforce, governance structure, and a complete list of operating subsidiaries are not established in the supplied references.
- 2022
Cenal emissions draw environmental attention
[1]Climate Trace estimates that the half-owned Cenal coal plant emitted more than seven million tonnes of greenhouse gases during the year.
- 2013
Consortium wins Istanbul third airport contract
[1]A consortium including Cengiz wins the contract to construct Istanbul’s third international airport, reported at approximately €22 billion.
- 2013
Expansion into Turkish media
[1]A Cengiz-linked joint venture acquires Akşam, Sky Turk 360, and Alem FM for a reported TL60 million.
- 1978
Cengiz Holding is founded
[1]Nihat Cengiz establishes the company in Turkey, creating the foundation for the later diversified holding group.
Products and positioning
A privately controlled Turkish conglomerate focused on large infrastructure projects and vertically related industrial activities, particularly construction, energy, mining, and metals.
Construction and engineering
Construction and infrastructure projects
Cengiz Holding’s construction business delivers or participates in large-scale infrastructure and engineering projects, frequently through joint ventures. Its profile is particularly associated with nationally significant transport and airport development rather than consumer-facing products. The group’s 2013 participation in the consortium awarded Istanbul’s third international airport contract is the clearest documented example of this activity.
Mining and metals
Eti Bakır
Eti Bakır is identified as one of Cengiz Holding’s major mining assets. Its business is associated with copper production and processing, giving the group a position in Turkey’s non-ferrous metals sector. The supplied references do not provide current production figures, facility details, or a complete description of its product portfolio.
Mining and metals
Eti Alüminyum
Eti Alüminyum is the group’s aluminium-related operating company and is associated with the Seydişehir production complex. The business covers aluminium production and related industrial processing. Cengiz has stated that emissions from the aluminium production units are below European Union standards, while the complex also includes a small coal-fired power station.
Energy generation
Cenal coal-fired power plant
Cenal is a coal-fired electricity generation asset in which Cengiz Holding has a reported half ownership. It represents the group’s involvement in conventional power generation and has also become a focus of climate-related scrutiny because of its greenhouse-gas emissions and inclusion in the Global Coal Exit List.
Media · 2013
Akşam, Sky Turk 360, and Alem FM
These Turkish newspaper, television, and radio assets entered the group’s portfolio through a 2013 joint-venture acquisition. Akşam was a daily newspaper, Sky Turk 360 a television channel, and Alem FM a radio station. The available material does not establish whether these assets remain under Cengiz ownership.
Controversies
2022
Environmental controversy surrounding coal and industrial emissions
Cengiz Holding’s energy and metals interests have attracted environmental criticism. Climate Trace estimated that the half-owned Cenal coal-fired power plant emitted more than seven million tonnes of greenhouse gases in 2022, and Urgewald included the plant in its Global Coal Exit List. The group has separately said that emissions from its aluminium production units in Seydişehir are substantially below European Union standards.
Brand decisions
2013
Joint venture acquisition of Turkish media assetsM&ABackground
Cengiz expanded beyond construction and industrial operations into media ownership during a period of consolidation in Turkey’s newspaper, television, and radio markets.
Action taken
A joint venture involving Cengiz acquired Akşam, Sky Turk 360, and Alem FM for a reported TL60 million.
Aftermath
The transaction gave the holding a presence across print, television, and radio, but the supplied sources do not document the assets’ subsequent ownership or performance.
Reported acquisition price. TL60 million transaction value (2013)
2013
Participation in Istanbul third airport consortiumStrategyBackground
Turkey pursued major airport and transport infrastructure investments, creating opportunities for large domestic construction groups and consortiums.
Action taken
Cengiz joined a consortium that won the contract to construct Istanbul’s third international airport.
Aftermath
The award strengthened Cengiz Holding’s position as a major Turkish infrastructure contractor and expanded its association with nationally strategic projects.
Reported total contract value. Approximately €22 billion (2013)
Sources2 sources
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