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Marti Group
Industry	Construction: Real Estate, Tunnels, Civil Engineering
Founded	1922
Headquarters	Moosseedorf, Switzerland
Key people	Reto Marti (Chairman)
Website	www.marti.com

The Marti Group is a Swiss construction company, consisting of over 80 subsidiaries, officially owned by Marti Holding AG.^[2] Besides Switzerland, they are active in neighboring countries such as Germany and Austria, and also outside of Europe such as China and Chile. The company is known for high-profile public and private sector projects and using innovative technologies. Their areas of expertise include building construction, construction and renovation of tunnels, road construction, hydraulic engineering, and other types of civil engineering. They're estimated to be the second largest construction company in Switzerland by revenue and number of employees, only surpassed by Implenia.^[3]^[4]

Major projects

Tunnel construction:

Expansion of the Gubrist Tunnel by building a third tunnel^[5]
Expansion of the Petersberg railway tunnel in Germany, such that the tunnel was in service during construction^[6]
Building an access tunnel to the Gotthard Road Tunnel^[7]
Section of the Brenner Base Tunnel, one of the longest railway tunnels in the world^[8]^[9]
Excavation of the Eppenberg Tunnel to double the capacity of the Olten-Aarau line^[10]
Underground works on CERN's Large Hadron Collider^[11]

Skyscraper construction:

Prime Tower in Zürich, the tallest building in Switzerland from 2011^[12]
Roche Tower 2 in Basel, the current tallest building in Switzerland^[13]

Marti was one of the contractors involved in the Astra Bridge, which is a bridge that can be installed over a motorway, such that roadworks can be carried out under the bridge while there is uninterrupted two lane traffic right above them.^[14] This type of construction was the first of its kind.^[15] The bridge has a modular design, its parts can be carried by regular trucks and it can be installed in a matter of days.^[16]

Controversies

In 2020, Marti was accused that their handling of construction waste resulted in fish deaths in the Blausee since 2018.^[17] Marti denied the accusation, saying that what they did was allowed by the authorities and it wasn't the cause of the fish deaths. As of 2024^[update] the case is pending in Swiss federal court.^[18]

References

^ Schlittler, Thomas (27 September 2020). "Die mysteriöse Familie Marti" [The mysterious Marti family]. Blick (in German). ISSN 1013-0667. Retrieved 22 May 2022.
^ "Marti Holding AG: CHE-107.905.960". Canton of Bern commercial register. Retrieved 16 May 2024.
^ Heinrich, Johannes (10 January 2024). "Die 10 grössten Bauunternehmen der Schweiz" [The 10 largest construction companies in Switzerland]. PlanRadar (in German). Retrieved 22 May 2024.
^ Vuichard, Florence; Heiniger, Bastian (26 January 2021). "Der Bauriese Marti lässt sich erstmals in die Karten schauen" [Construction giant Marti reveals its cards for the first time]. Bilanz (in German). Retrieved 22 May 2024.
^ Vögele (19 August 2022). "Smart road surfacing in a tunnel". World Highways (Press release). Route One Publishing Ltd. Retrieved 19 May 2024.
^ "Renovation and widening of the Petersberg Tunnel". Marti.com. Marti Group. Retrieved 15 May 2024.
^ "In Airolo startet die erste Tunnelbohrmaschine" [The first tunnel boring machine starts in Airolo]. gotthardtunnel.ch (in German). Swiss Confederation. 14 June 2022. Retrieved 19 May 2024.
^ "Zuschlag für Brenner Baulos an ARGE Porr-Marti" [Contract for Brenner construction awarded to ARGE Porr-Marti]. solidbau.at. Weka Group [de]. 4 April 2023. Retrieved 21 May 2024.
^ Marti Group (10 March 2024). "Einer der längsten Eisenbahntunnel der Welt: Marti hat mit den Arbeiten am Los H53 begonnen" [One of the longest railway tunnels in the world: Marti has started work on Lot H53]. bahnonline.ch (Press release) (in German). Männedorf, Switzerland: Sandro Hartmeier. Retrieved 19 May 2024.
^ "SBB awards Eppenberg tunnel contract". RailwayGazette.com. DVV Media Group. 17 November 2014. Retrieved 19 May 2024.
^ "Civil engineering for the High-Luminosity LHC". Geneva, Switzerland: CERN. 29 April 2024. Retrieved 19 May 2024.
^ "Zürich bekommt neues Wahrzeichen" [Zurich is getting a new landmark]. Technische Logistik: Hebezeuge Fördermittel (in German). Huss Group [de]. 16 April 2010. Retrieved 19 May 2024.
^ "Roche Tower II". Marti.com. Marti Group. Retrieved 15 May 2024.
^ Kershaw, David; Cometto (15 June 2022). "Astra Bridge inaugurated". Heavy Lift & Project Forwarding International (Press release). DVV Media Group. Retrieved 19 May 2024.
^ Nay, Andri (12 April 2024). "Astra-Bridge: Mobile Schweizer Baustellenbrücke weckt Interesse im Ausland". Neue Zürcher Zeitung. ISSN 0376-6829. Retrieved 15 May 2024.
^ "ASTRA Bridge". Retrieved 15 May 2024.
^ Affolter, Rebekka (16 September 2020). "Blausee-Skandal: Behörden sollen Giftmüll-Entsorgung erlaubt haben" [Blausee scandal: Authorities allegedly allowed toxic waste disposal]. Nau.ch. Retrieved 22 May 2024.
^ Rafi, Reza (10 April 2023). "Blausee-Streit geht in die nächste Runde" [Blausee dispute enters the next round]. Blick (in German). ISSN 1013-0667. Retrieved 22 May 2024.