Proven expertise in demanding real estate projects

Urbanisation, population growth and demographic change are placing new demands on real estate. Implenia offers suitable solutions for healthcare and research, data centres and leisure properties.

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Adhoc releases

20.08.2025

Implenia records positive first half-year with growth momentum

26.02.2025

Financial year 2024 – Implenia achieves targets, further increases profitability and consistently implements strategy

Media releases

15.01.2026

Implenia wins new bridge and tunnel construction contracts

08.01.2026

Implenia wins major contracts for new double-track line – cutting-edge railway infrastructure between Zurich and Winterthur

Topics and Projects

17.12.2025

Reinforced concrete bridge "Overfly" officially opened

08.12.2025

Fehmarn Sound Crossing: Specialist Civil Engineering Contract Awarded

Reports

20.08.2025

Half-year report 2025

26.02.2025

Annual Report 2024

Implenia Mitarbeiter vergleichen auf einer Hochbaustelle den Projektfortschritt mit einem Tablet. — Unsere Werte und unsere Unternehmenskultur sind die Grundlage unseres Erfolgs

Implenia — Switzerland

Implenia is a leading multinational, integrated construction and real estate provider

As a leading multinational, integrated construction and real estate provider. The company develops, builds and manages homes, workplaces and infrastructure for future generations in Switzerland and Germany. It also offers tunnelling and related infrastructure services in other markets.

About Implenia

Results for the first half of 2025

The half-year report 2025 was published on 20.08.2025

Half-year report (January-June)

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Presentation

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Media release

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Spotlight — Tunnel construction

Quality brings great things to light

Implenia is a recognised expert for demanding tunnel construction of all kinds. In the course of a 100-year tradition, we have acquired unique expertise and experience, particularly with transport tunnels and in power plant construction.

Expertise in tunnel construction

News

Services

Infrastructure

We build the future with you

Civil engineering to the highest standards: We also offer you complex projects from a single source - interdisciplinary and leanly organized. Are you looking for a partner for tunnels, roads, geotechnics or civil engineering? We work for you to the highest standards.

Infrastructure

Real Estate

Outstanding ideas for sustainable real estate

Designing and building sustainable real estate with and for people to meet the needs of modern living and working. We accompany building owners from the first discussions to the handover of the keys.

Real Estate

References

Here is a selection of our reference projects

MehrSpur Zürich – Winterthur, Brüttenertunnel

The centrepiece of the project to alleviate the capacity bottleneck between Zurich and Winterthur is the approximately 8.3 km long Brüttener Tunnel, which has an approximately 1 km long branch line towards the airport. For this underground double-track expansion, a single-track tunnel with an internal diameter of approximately 8.3 m will be constructed in each direction.

Destination Jelmoli

The traditional building in Zurich's city center will be renovated over a period of two years from the beginning of 2025. Afterwards, the lower floors will feature newly designed, high-quality retail space, with office and service space above.

Secondo tubo San Gottardo - Lot 241, Main Tunnel North

The present project includes the construction of the second tunnel tube north (2TG), the fault zone excavation north, the second stage of the pre-cut, the TBM starting section, the cross-connections, the ventilation centers and the exhibition bays.

The Alpinist Andermatt

5-star lifestyle and sports hotel with 164 residences, 66 hotel rooms, indoor and outdoor spa, sports center, restaurants, bars, co-working and parking.

Ligerz Tunnel, Lot 2

The project includes the construction of the 2.1 km long twin-track tunnel in Ligerz. The aim of the project is to eliminate the last railroad bottleneck on the Jura river line between Lausanne and Biel.

Swiss Life Brannhof

The refurbishment of Swiss Life Brannhof on Zurich's Bahnhofstrasse will bring a new and attractive mixed-use concept. The historic pioneering spirit of the renowned promenade and shopping street will be brought back to life. A sustainable, intelligent energy concept will be used.

Contact

We appreciate your interest in Implenia

Implenia is present in seven countries and at a large number of locations throughout Europe. A list can be found on this page, along with contact details for our head office, media office, job portal and investor relations.

Career

Shape your future with us

At Implenia, you will write history with us. Building on a foundation of tradition and many years of experience, we will develop a vision of tomorrow's world together.

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