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GS Engineering & Construction

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GS E&C is a South Korean construction company founded in 1969 that carries out plant, power, building and housing, infrastructure, leisure and prefab projects.

Last updated November 2, 2026

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Overview

GS Engineering & Construction (GS E&C) is a South Korean construction company that has carried out large-scale projects in housing, buildings, infrastructure, plants and environment around the world since its founding in 1969. Its business areas listed on its official site include plant, power, building and housing, infrastructure, leisure and prefab. The company states it has been included in the Dow Jones Sustainability Index (DJSI) Asia Pacific for 12 consecutive years, and describes future businesses including nuclear power, eco-friendly energy, modular construction, smart construction, water treatment and data centers. Its headquarters is at Grand Seoul, 33 Jong-ro, Jongno-gu, Seoul.

History

GS E&C states that since its founding in 1969 it has carried out large-scale projects in housing, buildings, infrastructure, plants and environment around the world, accumulating global-level technology, project management capability, and safety and quality competitiveness. It states it has been included in the Dow Jones Sustainability Index (DJSI) Asia Pacific for 12 consecutive years. It describes future businesses including nuclear power, eco-friendly energy, modular construction, smart construction, water treatment and data centers.

Controversies

  • 2026

    GS E&C detects unauthorized access to apartment reservation system

    GS Engineering & Construction (GS E&C) stated that it detected unauthorized external access to a system used to manage reservations for apartment community facilities. According to the company, residents' personal information and access-related information may have been exposed. GS E&C said the full extent of the exposure remained under investigation at the time of the statement.

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Recent events

  • Reported

    GS E&C detects unauthorized access to apartment reservation system[5]

    GS E&C said it detected unauthorized external access to a system managing apartment community-facility reservations. Residents’ personal and access-related information was potentially exposed, and the full extent of the exposure remained under investigation.

  • Reported

    GS E&C secures green loan for Polish warehouses[6]

    GS Engineering & Construction secured a €70.2 million green loan from BNP Paribas to fund four eco-friendly warehouses under construction in Wroclaw, Poland.

  • Reported

    ReNew Power and GS E&C announce solar-project joint venture[7]

    ReNew Power announced a joint venture partnership with GS E&C to execute its 300 MW solar power plant in Rajasthan. ReNew Power will hold 51 per cent equity and GS E&C will hold the balance.

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