Together successful for all of Austria

PM1 Part of Drees & Sommer will be fully part of Drees & Sommer from July 2023.  By pooling our common strengths, experience and know-how, we are able to continue our entire services in the field of construction project management even better: Drees & Sommer plus PM1 quality!  And all over Austria.


As of July 2023, PM1 - PART OF DREES & SOMMER will be fully integrated under Drees & Sommer Austria and will be operating as of now. Currently, PM1 Projektmanagement GmbH is merged with Drees & Sommer Projektmanagement und bautechnische Beratung GmbH.

Your contact persons and contact options will remain as well as the location addresses in Salzburg and Innsbruck.

Since the end of last year, PM1 Projektmanagement GmbH has been 100 percent owned by Drees & Sommer Projektmanagement und bautechnische Beratung GmbH. PM1 and Drees & Sommer have been working together for many years.  In this time together, we have felt that we share the same values.  With great enthusiasm and high standards, we stand up for our customers and create added value in their projects.   

If you have any questions, your local contact persons will be happy to assist you.


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Courthouse Salzburg

Adaptation and extension of the listed regional court and penal institution Salzburg

Project type: Office, Administration

Location: 5020 Salzburg

Client: BIG, Bundesimmobiliengesellschaft m.b.H.
Architect: Franz&Sue GmbH architectural office, Vienna

Administration, negotiation zones, prison

Challenges overcome:
Construction with monument protection requirements, construction in existing buildings, archaeology, complex construction site logistics, cramped inner-city space conditions, complex excavation pit securing, complex underpinning, high degree of installation, complex safety engineering


Visualizations: Franz&Sue ZT Ltd.
Fotos: © Lukas Schaller

Paracelsusbad Salzburg

New construction of the "Paracelsusbad" swimming pool and health resort in Salzburg with photovoltaic installation.

Project type: Accommodation, Hotel, Gastronomy

Location: 5020 Salzburg

Developer: Stadt Salzburg Immobilien GmbH

public swimming pool with waterslide, outtdoor pool on the roof and restaurant, sauna, health resort

Overcome challenges: 
Explosive ordnance sounding in high-risk areas, excavation pit securing with sheet pile walls and shotcrete nail walls, underpinning work in existing buildings, basement floor as brown tub in pressurised water (groundwater), joint firewall with Hotel Sheraton incl. Connection of the two underground garages, excavation work on the bastion wall in coordination with the Salzburg Federal Monument Office and restoration of the bastion incl. viewing window in the new building, pool technology for the spa building (therapy pool, moor treatment, moor and spa baths, gymnastics hall etc.).) and public swimming pools, swimming pools on several floors incl. Jump tower/jump pool and water slide, outdoor pool and sauna world on the top floor, elaborate ceramic lamella facade with high required assembly accuracy, suspended wave-shaped ceramic lamella ceiling with integrated lighting on the bathing level, holori ceilings in the swimming pool area, post-and-beam construction with metal cassettes and glazing, all-round glazing on the bathing level, photovoltaic systems on the roof, self-service catering area on the 4th floor and separate sauna/restaurant area incl. associated kitchen.

klima:aktiv Gold


Visualization: Berger + Parkkinen Architekten, Wien
Photos: PM1, (c) Sanel Jovanovic

University of Natural Resources and Applied Life Sciences (BOKU)

Construction of a university building for the University of Natural Resources and Applied Life Sciences (BOKU)

Project type: Culture, Education

Location: Peter Jorrdan Straße 82 1190 Wien

Client: BIG, Bundesimmobiliengesellschaft mbH
Architect: SWAP Architekten

Seminar rooms, learning rooms and rooms for the Institute of Transportation of the University of Natural Resources and Applied Life Sciences Vienna. Ideal for events, meeting point and market place for students.
At the location of the University of Natural Resources and Applied Life Sciences Vienna (BOKU) a further building will be erected to cover the demand for office and teaching space. This building is a wooden structure.

The building has a usable floor space (NF) of approx. 3,000m². In addition to the seminar centre with around 1,100 m² NF, the library with around 600m² NF and the institute rooms with around 500m² NF, poll and user rooms with around 600m² will also be built.

Challenges overcome:
Short construction time due to tight time schedule, tight cost specifications, reinforced concrete core and timber construction with sustainable appearance, high energy efficiency, alongside ongoing operation of the university.
Slope protection measures using shotcrete - nail wall are currently being implemented.
During the implementation it has to be taken into account that in the surrounding objects of the BOKU (Wilhelm-Exner-Haus, Franz Schwackhöfer Haus, Center for International Relocation) an undisturbed university operation has to be maintained.
An integrally created Building Information Model (BIM) is used for the planning.

klima:aktiv Gold


Visualization: SWAP Architekten 

University of Education Innsbruck

Extension and functional renovation

Project type: Büro, Verwaltung

Location: 6020 Innsbruck

Client: BIG Bundesimmobiliengesellschaft mbH
Architect: DI Oskar Leo Kaufmann und Albert Rüf Ziviltechniker GmbH

After demolition of two existing buildings from the 1970s, the new building was erected, which includes an underground car park with 50 parking spaces as well as a movement room for the practice schools. At the same time, the "middle wing" was renovated or adapted and converted into a special teaching tower containing rooms for arts education, workshops, physics/biology/chemistry and teaching kitchens.
Furthermore, the existing building in the west will be extensively renovated and extended. In this part there are 21 seminar rooms and three computer rooms. The sports wing will also be renovated in the course of the construction work.
The parts of the building will be connected to each other via the all-round glazed ground floor. This is where the company kitchen, buffet, dining rooms, auditoriums, library and two large lecture halls will be located.

Challenges overcome:
Complex static upgrading of the existing building.

Visualization: DI Oskar Leo Kaufmann und Albert Rüf Ziviltechniker GmbH
Photos: (c) zooey braun Fotografie

Messecarree Wien

New quarters with office, retail and residential space in Vienna's 2nd district.

Project type: Office, Administration

Location: A 1020 Wien

Client: MC EINS Investment GmbH
Architect: Architekten Tillner & Willinger ZT GmbH, 1050 Wien

162 apartments (45 m² to 115 m², 2 - 4 rooms), 250 m² to 1.500 m² office rental space, 2.150m² trade (Hofer, Bipa)

Challenges overcome:
Realization of the tight budget targets and deadlines under very difficult logistical conditions. 
The building partially covered the subway.