Ostu-Stettin Hoch- Und Tiefbau

Name

Ostu-Stettin Hoch- Und Tiefbau

Legal name

ÖSTU-STETTIN Hoch- und Tiefbau GmbH

Website

https://oestu-stettin.at

Company type

Private

Founded year

1920

Operating status

Operating

Headcount range

501–1,000 employees

Ownership category

akta.pro rank

Headquarters

HQ city

Leoben

HQ country

Austria

HQ region

Europe

Offices10 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Infrastructure, Supply Chain, Operations, Technology or R&D

Revenue model

1. Construction Services: Project-based construction services for complex infrastructure and building projects. Revenue is generated through direct contracts with clients for underground construction, building construction, industrial construction, and specialized engineering services. Projects are delivered as general contractor, total contractor, or specialized subcontractor.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

ÖSTU-STETTIN Hoch- und Tiefbau GmbH is a general contractor delivering complex underground and above-ground construction projects worldwide. Core services include tunnel and gallery construction, shaft construction and conveyor technology, subway construction, civil engineering, mining infrastructure, industrial and power plant construction, and complete building construction services as general or total contractor. The company operates under the HABAU GROUP umbrella from its Leoben, Austria headquarters, executing projects across Europe, Australia, and South America.

Product overview

ÖSTU-STETTIN Hoch- und Tiefbau GmbH is a construction services company operating under the HABAU GROUP, offering comprehensive construction solutions worldwide. The company provides a diverse portfolio of 17 core service categories spanning underground construction (tunnel, shaft, subway construction) and above-ground building construction (residential, industrial, commercial). Key services include Tunnel- und Stollenbau (tunnel and gallery construction), Schachtbau & Fördertechnik (shaft construction and conveyor technology), Hochbau (building construction), Bergbau (mining), Stahl- und Schalungsbau (steel and formwork construction), Ingenieurtiefbau (civil engineering), and U-Bahnbau (subway construction), among others. The company operates from its headquarters in Leoben with branches in Vienna and Graz, serving projects globally.

Differentiator

Problem solved

Functional benefit

Products and services

• Tunnel and Gallery Construction (Tunnel- und Stollenbau) Underground tunneling and gallery construction services for infrastructure projects, including rail and road tunnels. Targeted at government infrastructure clients and large engineering projects.
• Shaft Construction & Conveyor Technology (Schachtbau & Fördertechnik) Mining shaft construction and conveyor system installation and maintenance. Designed for mining companies requiring underground infrastructure for extraction operations.
• Building Construction (Hochbau) General building construction services covering residential, commercial, and industrial buildings. Targeted at developers, corporate clients, and public building owners.
• Mining (Bergbau) Specialized mining construction and extraction services for mining operators requiring underground mining infrastructure.
• Steel and Formwork Construction (Stahl- und Schalungsbau) Steel construction and custom formwork systems for concrete casting in construction projects, including specialized tunnel formwork. Used to support internal construction operations and provided to construction clients.
• Civil Engineering (Ingenieurtiefbau) Infrastructure and civil engineering construction services for public and private sector clients.
• Subway Construction (U-Bahnbau) Underground metro and subway construction services for urban transit authorities and infrastructure clients.
• Tunnel Renovation (Tunnelsanierung) Renovation and rehabilitation services for existing tunnel infrastructure, targeting infrastructure owners maintaining aging assets.
• General Contractor Construction (Generalunternehmerbau) Complete general contractor services for construction projects, providing single-source accountability across trades.
• Total Contractor Construction (Totalunternehmerbau) Full project responsibility from planning through completion, encompassing design and execution as a total contractor.
• Industrial Construction (Industriebau) Industrial facility and plant construction services for manufacturing and industrial clients.
• Power Plant Construction (Kraftwerksbau) Power generation facility construction services, including hydroelectric pumped storage plants, for energy companies.
• Modular Construction (Modulbau) Prefabricated modular building construction services for clients needing rapid or repeatable building delivery.
• Timber Construction (Holzbau) Wooden building and timber frame construction services delivered through the associated BAUMGARTNER subsidiary.
• Refurbishment & Revitalization Building renovation, modernization, and revitalization services for existing properties.
• School Building (Schulbau) Educational facility construction services for public sector clients building schools and educational infrastructure.
• Garage Construction (Garagenbau) Parking garage and underground parking structure construction services for commercial and public clients.

Quantifiable outcome

• Successfully completing major international infrastructure projects including Semmering Base Tunnel, subway constructions, and hydroelectric power plants

Named customers7 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Four partnerships are on record, tiered core.

• HABAU GROUPcoreStrategic or Co-development PartnerParent company umbrella organization. ÖSTU-STETTIN operates under the HABAU GROUP brand, benefiting from shared resources, international reach, and collective workforce of over 6,500 employees. The partnership enables cross-border project execution and development opportunities for employees domestically and internationally.
• STETTIN HUNGARIA Magas- és Mélyépítöipari Kft.coreStrategic or Co-development PartnerSubsidiary company operating in Hungary with headquarters in Sopron and office in Budapest. Specializes in underground and above-ground construction in the Hungarian market.
• OSTU-STETTIN Constructora Chile, LimitadacoreStrategic or Co-development PartnerSubsidiary company operating in Chile with office in Santiago de Chile. Handles construction projects in the South American market.
• OSTU-STETTIN Izgradnja D.O.O.coreStrategic or Co-development PartnerSubsidiary company operating in Serbia with office in Belgrade. Handles construction projects in the Serbian market.

Scale indicators3 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Skanska AB: Swedish-headquartered global construction and development company with established tunneling and underground operations in the Nordics, UK, and North America. Comparable to ÖSTU-STETTIN on tunnel and civil engineering scope, but with much larger group scale, public-project-development capability, and a transatlantic footprint.
• HOCHTIEF AG: German-headquartered global construction major (controlled by ACS Group) with deep European tunneling and heavy-civil credentials. Comparable to ÖSTU-STETTIN in heavy-civil scope but operates at dramatically larger scale and with a broader infrastructure portfolio including PPP concessions.
• STRABAG SE: Austrian-headquartered publicly listed construction major with extensive tunnel, civil engineering, and building operations across Europe. Most directly comparable home-market peer to ÖSTU-STETTIN given shared Austrian base and identical project archetypes (Alpine base tunnels, hydro, mining), though operating at materially larger group scale with broader geographic reach.
• Bilfinger SE: German-listed engineering and industrial services group with significant underground and heavy-civil heritage. Comparable to ÖSTU-STETTIN in industrial-plant and underground engineering scope, but with a broader services portfolio and a heavier weighting toward industrial maintenance and consulting.
• PORR AG: Austrian publicly listed full-service construction group with active tunnel, civil engineering, and building construction divisions. Closely comparable to ÖSTU-STETTIN in home market and service mix, including Totalunternehmer bid capability, but with meaningfully larger group scale and a broader public-services footprint.

Regional players

• NCC AB: Swedish construction and property development company with civil engineering operations in the Nordics. Comparable to ÖSTU-STETTIN on tunnel and infrastructure activity in Norway and Sweden, but primarily serves Nordic rather than Central European markets and has a meaningful residential-development mix.

Direct peers

• BeMo Tunnelling GmbH: Austrian/German specialist in tunnel and underground construction with comparable expertise in conventional and mechanized tunnelling. Direct peer on Austrian and German rail, hydro, and metro tenders, often bidding as subcontractor to or alongside the same general contractors that engage ÖSTU-STETTIN.
• Marti Tunnelbau AG: Swiss specialist tunneling contractor with deep Alpine-tunnel expertise and operations across Europe. Closely comparable niche specialist that competes with ÖSTU-STETTIN for base-tunnel, metro, and gallery construction awards in Austria, Switzerland, and Scandinavia.
• Implenia AG: Swiss-listed construction services group with leading European underground and tunnel capabilities, including microtunnelling and shaft sinking. Directly competes with ÖSTU-STETTIN on Alpine rail tunnels, pumped-storage hydro, and complex underground infrastructure tenders across DACH and the Nordics.
• Rhomberg Sersa Rail Group: Austrian/Swiss specialist in rail and tunnel construction, including track-laying and tunnel fit-out. Comparable to ÖSTU-STETTIN's rail-tunnel focus and operates as a potential consortium partner or competitor on Austrian and Swiss rail infrastructure projects.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Subsidiaries5 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Ostu-Stettin Hoch- Und Tiefbau