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Implenia — Switzerland

An integrated multinational leading construction and real estate company

Results for the financial year 2023

Key figures for the Group

Order Book

in CHF m
6,985(2022: 7,221)
Order book at a high level and of good quality.

Consolidated Revenue

in CHF m
3,596(2022: 3,538)
Reported revenue at previous year’s level, significantly improved after adjusting for currency effects.


in CHF m
122.6(2022: 138.9)
2023 target achieved.

Employees (FTE)

as at 31.12.2023
9,056(2022: 7,639)
Increase due to Wincasa acquisition.

Spotlight — Sustainability

Sustainability Report 2023

Implenia aims to shape the transformation towards a more sustainable construction and real estate industry. The Group moved another decisive step closer to this goal in 2023. The Sustainability Report 2023 provides information about sustainability indicators, ongoing measures and the current status of the sustainability goals 2025.


To the Sustainability Report 2023




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Real Estate

Outstanding ideas for sustainable real estate.


Secondo tubo San Gottardo - Lot 243, North access tunnel

To rehabilitate the existing Gotthard Road Tunnel, a second tunnel tube (2TG) will be built first. Lot 243 comprises the construction of the access tunnel and the north logistics excavations. The project serves for the preliminary development of the north fault zone and for the provision of the underground logistics excavations.

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Pont Neuf - Replacement Kettenbrücke Aarau

The project includes the dismantling of the existing Kettenbrücke bridge and the construction of the new Aare bridge "Pont Neuf" in Aarau.

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Laborprovisorium Functional Genomics Center

The Functional Genomics Center Zurich (FGCZ), a joint research and education platform of the University of Zurich (UZH) and ETH Zurich, will provide space for 80 laboratory staff and scientific equipment on a total area of approximately 3000 m².

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New building of the Cantonal Hospital Aarau “Dreiklang”

The Cantonal Hospital in Aarau is currently the largest new hospital building in Switzerland. The name "Dreiklang" (triad) is explained by the optimal interplay between functional areas and outpatient clinics in the base building…

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Worblaufen Hammerwerk residential development

New residential development on the banks of the River Aare on the former Hammerwerke site in the municipality of Ittigen / Worblaufen (BE).

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