Gebag Duisburger Baugesellschaft

What Gebag Duisburger Baugesellschaft does

GEBAG Duisburger Baugesellschaft mbH is a municipal housing company (Kommunales Wohnungsunternehmen) headquartered in Duisburg, Germany, owned by the City of Duisburg since 1922. Founded in 1872 to provide affordable housing for industrial workers, GEBAG currently manages approximately 12,700 apartments across Duisburg's districts (Nord, Mitte, Süd, West), housing more than 35,000 residents. The company is the largest real estate operator in Duisburg and has cumulatively built approximately 14,400 apartments since its founding.

The company's core offerings include residential rental apartments (cold rent ranging from approximately €200 to €1,000, living space 20-100 m², 1-6 rooms), new construction projects (Neubau), modernization of existing housing stock, and specialized apartments for students and trainees at reduced rates. GEBAG's underlying technology stack centers on the polyEstate web-based property management platform for processing rental inquiries and managing tenant data, supplemented by Usercentrics consent management, etracker analytics, and embedded video services. The company distributes its rentals directly to tenants through its website portal and processes applications via polyEstate under GDPR Article 28.

GEBAG operates a recurring subscription-style rental revenue model through monthly cold rent payments, with ancillary revenue from tenant services such as fiber optic internet (Glasfaser) and cable television (Kabelfernsehen). Its customer base spans general renters, students/trainees, and subsidized housing tenants across Duisburg. As a recognized non-profit housing enterprise (gemeinnütziges Wohnungsunternehmen) under the 1932 Gemeinnützigkeitsverordnung, GEBAG combines social housing obligations with economic operation, and in 2026 published its first sustainability report under the voluntary VSME standard.

Name

Gebag Duisburger Baugesellschaft

Legal name

GEBAG Duisburger Baugesellschaft mbH

Website

https://gebag.de

Company type

Private

Founded year

1872

Operating status

Operating

Headcount range

11–50 employees

Short description

GEBAG Duisburger Baugesellschaft is a municipal housing company, owned by the City of Duisburg, that manages approximately 12,700 rental apartments serving over 35,000 residents with affordable housing, new construction, and modernization services.

Ownership category

akta.pro rank

Product category

Affordable Housing / Municipal Residential Property Rental

NAICS

Rental and Leasing Services (532)

SIC

Real Estate Agents & Managers (For Others) (6531), General Bldg Contractors - Residential Bldgs (1520)

akta.pro primary industry

Furnished Monthly Apartments (Urban/Residential) (THAMAFAB)

Keywords

• Municipal housing services
• Affordable rental housing
• Property development
• Urban residential construction
• Social housing management

Headquarters

HQ city

Duisburg

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Infrastructure, Supply Chain, Personnel, Operations, Marketing or Sales

Revenue model

1. Residential Property Rental: Primary revenue from renting approximately 12,700 apartments to tenants across Duisburg. Revenue is generated through monthly rental payments. The company offers apartments at various price points from approximately €200 to €1,000 cold rent, targeting different tenant segments including students, trainees, and general renters.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

GEBAG develops, owns, and manages a portfolio of approximately 12,700 rental apartments across Duisburg, Germany. The company provides affordable and social housing directly to tenants including general renters, students, and trainees, with cold rents ranging from approximately €200 to €1,000. It also undertakes new construction, modernization of existing housing stock, and offers tenant services such as fiber-optic internet and cable television.

Product overview

GEBAG Duisburger Baugesellschaft mbH operates as a municipal housing company providing rental apartments, new construction, and modernization services across Duisburg. The core product portfolio includes Wohnungen zur Miete (apartments for rent), Mietgesuch (rental inquiries via polyEstate), and specialized Apartments für Studierende und Azubis (student and trainee apartments). Building services encompass Neubau (new construction) with projects in planning, under construction, and completed phases, as well as Modernisierung (modernization). Tenant services include GEBAG-Serviceversprechen with offerings like Glasfaser (fiber optic) and Kabelfernsehen (cable TV). The company also publishes the quarterly tenant magazine tach. and its inaugural Nachhaltigkeitsbericht 2025 sustainability report.

Differentiator

Problem solved

Functional benefit

Products and services

• Wohnungen zur Miete (Apartments for Rent) Core residential rental offering — apartments available for rent across the Duisburg city area, with website filtering options by district (Nord, Mitte, Süd, West), cold rent range from €200 to €1,000, living space from 20m² to 100m², and 1 to 6 rooms. Targeted at general renters, families, working professionals, and individuals in Duisburg.
• Mietgesuch (Rental Inquiry)
• Apartments for Students and Trainees (Student and Trainee Apartments)
• Neubau (New Construction)
• Modernisierung (Modernization)
• Glasfaser (Fiber Optic Internet)
• Kabelfernsehen (Cable Television)

Quantifiable outcome

• 12,700 apartments under management
• +2 more outcomes

Named customers1 record

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration5 records

Partnerships

One partnership is on record.

• polyEstate AGcoreTechnology or IntegrationGEBAG uses polyEstate's web-based software for processing and managing apartment inquiries and tenant data. polyEstate acts as a data processor under GDPR Art. 28, processing data including names, contact details, housing situation, and creditworthiness information for prospective tenants.

Scale indicators3 records

Recent moves8 records

Expansion highlights4 records

Direct peers

• Gewobag: Gewobag is the largest municipal housing company in Berlin, owned by the State of Berlin, with ~70,000 apartments. It is comparable to GEBAG as a publicly-owned, non-profit residential landlord focused on affordable housing in a single German city.
• Degewo: Degewo is a Berlin-based municipal housing company with ~75,000 apartments, owned by the State of Berlin. Comparable to GEBAG as a publicly-owned residential landlord serving a defined urban geography with a social housing mandate.
• SAGA Siedlungs-Aktiengesellschaft Hamburg: SAGA is Hamburg's municipal housing company managing ~140,000 apartments and is publicly owned by the Free and Hanseatic City of Hamburg. Like GEBAG, it is a single-city municipal landlord focused on broad-market affordable residential rentals.
• Howoge: Howoge is a municipal housing company owned by the State of Berlin, managing ~82,000 apartments with a focus on affordable and broad-market residential rentals. Highly comparable to GEBAG in ownership structure and social mandate.
• Vivawest: Vivawest is a municipal housing company in North Rhine-Westphalia, jointly owned by several municipal utilities and RAG-Stiftung, managing ~130,000 apartments. It is the closest direct peer to GEBAG given shared NRW geography, municipal ownership structure, and focus on affordable residential rentals.
• Nassauische Heimstätte: Nassauische Heimstätte is a state-owned housing company in Hessen, managing ~60,000 apartments across multiple municipalities. Comparable to GEBAG in public-ownership model and affordable housing focus, with broader geographic spread.

Broad incumbents

• Vonovia: Vonovia is Europe's largest listed residential real estate company with ~500,000+ apartments across Germany, Austria, and Sweden. A broad incumbent peer to GEBAG with comparable apartment rental product but national/international scale and listed-equity capital structure.
• LEG Immobilien: LEG Immobilien is a listed residential real estate company focused on North Rhine-Westphalia with ~165,000 apartments. Highly comparable to GEBAG by geography (NRW overlap with Duisburg) and affordable rental focus, though with broader regional scale and listed status.

Regional players

• Bauverein Halle: Bauverein Halle is a municipal housing company in Halle (Saale), Germany, operating as a regional non-profit residential landlord. Comparable to GEBAG in municipal ownership and affordable single-city residential focus, but in a different geography.

Emerging players

• Wohnungsgenossenschaften (Housing Cooperatives): Housing cooperatives (Wohnungsgenossenschaften) are member-owned non-profit residential landlords operating across Germany. They compete with GEBAG for affordable renters in Duisburg and share the social housing mandate, though with a cooperative rather than municipal ownership model.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/Gebag

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 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 Gebag Duisburger Baugesellschaft