Gülermak

Gülermak
Name	Gülermak
Native name	Gülermak
Type	Private
Industry	Construction, Engineering
Founded	1955
Founder	Güler family
Headquarters	Istanbul, Turkey
Key people	Hasan Güler
Revenue	(see Financial Performance and Contracts)

Gülermak is a Turkish construction and engineering firm known for heavy civil works, tunneling, metro systems, and infrastructure projects across Turkey and internationally. The company has participated in major urban transit, hydropower, and roadway projects, collaborating with a range of contractors, state authorities, and multinational consortia. Its operations intersect with prominent institutions and projects in Europe, the Middle East, and Central Asia.

History

Gülermak was established in 1955 and expanded through involvement in postwar reconstruction and urbanization programs, working alongside entities such as Istanbul Metropolitan Municipality, Ankara Metropolitan Municipality, Turkish State Railways, Iraqi Ministry of Transport, and Azerbaijan Railways. During the late 20th century the firm engaged with international contractors including Siemens, Alstom, Strabag, Vinci, and Hochtief on transit and tunneling contracts. In the 2000s Gülermak entered consortiums with Cengiz Holding, Kolin Insaat, Enka, and Limak Holding for large-scale projects funded by partners like the European Investment Bank and the Islamic Development Bank. The company’s expansion mirrored regional infrastructure booms tied to initiatives such as the Bosphorus Tunnel programs, the Istanbul Metro expansions, and cross-border corridors like the Baku–Tbilisi–Ceyhan pipeline and the Trans-Anatolian Natural Gas Pipeline.

Corporate Structure and Ownership

Gülermak is organized as a private family-founded enterprise with corporate governance involving a board of directors and executive management that coordinate with joint-venture partners and international financiers. The ownership traces to the founding family alongside private equity and institutional stakeholders from Turkey and abroad, occasionally forming project-specific special purpose vehicles with partners including China Harbour Engineering Company, Mota-Engil, Acciona, and Bechtel. For public procurement and consortium bidding the firm has worked under contractual frameworks governed by entities such as the European Bank for Reconstruction and Development, the World Bank, and national ministries like the Turkish Ministry of Transport and Infrastructure.

Major Projects and Operations

Gülermak’s portfolio includes tunneling and metro works on projects tied to the Istanbul Metro, the Marmaray commutation corridor, and extensions serving nodes such as Taksim Square and Atatürk Airport environs. The company has constructed sections of intercity rail and signaling for projects connected to Ankara Esenboğa Airport access, and civil works for hydroelectric facilities associated with the Keban Dam and smaller run-of-river installations. Internationally, Gülermak has participated in metro and light rail contracts in cities influenced by Doha Metro, Baku Metro, Tehran Metro, and urban transit programs in the Gulf Cooperation Council region, often collaborating with rolling-stock suppliers like Stadler Rail and systems integrators such as Thales Group. The firm’s heavy civil undertakings have interfaced with major contractors on projects like motorway links adjacent to the Eurasia Tunnel and infrastructure supporting events such as the İstanbul 2020 Olympic bid initiatives.

Financial Performance and Contracts

Gülermak’s revenues derive primarily from long-term construction contracts, consultancy, and maintenance agreements procured through competitive bidding with public authorities and international lenders. The company’s contract awards have involved multi-year agreements financed by institutions including the European Investment Bank, the Asian Infrastructure Investment Bank, and national export credit agencies such as Turkish Eximbank. Financial reporting to partners and lenders follows norms aligned with standards used by International Financial Reporting Standards signatories and contracting practices observed by counterparts like Skanska and Balfour Beatty. Project cash flows have been affected by currency fluctuations in the Turkish lira, contract renegotiations with municipalities like İzmir Metropolitan Municipality, and payment schedules from sovereign clients such as the Iraqi Ministry of Municipalities.

Safety, Quality and Environmental Practices

Gülermak maintains operational policies addressing occupational safety, quality assurance, and environmental management, often certifying sites under standards associated with ISO 9001, ISO 14001, and OHSAS 18001 frameworks to comply with requirements from financiers including the World Bank and the European Bank for Reconstruction and Development. On tunneling projects the company implements risk controls for geology and groundwater consistent with practice by peers like Bachy Soletanche and Herrenknecht, and coordinates mitigation measures with municipal authorities including Istanbul Water and Sewerage Administration and environmental agencies such as Turkish Ministry of Environment and Urbanization.

Controversies and Legal Issues

Gülermak has faced disputes typical of major contractors, including claims and counterclaims over delays, cost overruns, and scope changes on projects involving entities like Istanbul Metropolitan Municipality, Ankara Municipality, and international partners. Litigation and arbitration have occurred under forums such as the International Chamber of Commerce and contractual adjudication mechanisms used by lenders like the European Investment Bank; counterparties have included construction groups like Cengiz Holding and joint-venture partners including Limak Holding. Environmental and permitting controversies have occasionally drawn scrutiny from civil society organizations and media outlets covering projects near heritage sites such as Sultanahmet and coastal zones subject to oversight by Ministry of Culture and Tourism agencies. Legal outcomes have varied, with some disputes resolved through renegotiation and arbitration settlements while others progressed through national courts and international dispute resolution.

Category:Construction companies of Turkey Category:Companies based in Istanbul