Gsg Oldenburg Bau- Und Wohngesellschaft Mit Beschrankter Haftung

What Gsg Oldenburg Bau- Und Wohngesellschaft Mit Beschrankter Haftung does

GSG OLDENBURG Bau- und Wohngesellschaft mbH is a municipal housing company founded in 1924 and headquartered in Oldenburg, Germany, that develops, rents, modernizes, manages, and markets residential properties across Oldenburg and the surrounding district (Landkreis Oldenburg). The company manages approximately 8,000 to 10,000 apartments distributed across roughly 400 locations, serving individual residential tenants across both market-rate and state-subsidized housing segments, as well as third-party property owners through brokerage, valuation, and condominium/rental property management services. Primary revenue derives from recurring rental income, supplemented by managed services fees and professional services income.

The company operates a digital-plus-physical service model: prospective tenants apply through an Immomio-based online portal, while existing tenants access contracts, documents, and damage reports via a mobile app. Five physical district offices (four Stadtteilbüros in Oldenburg plus one county office in Ganderkesee) deliver in-person service. The technology stack comprises standard property management systems, Matomo web analytics, Eye-Able accessibility software, and Google Maps integration — no proprietary AI/ML or platform technology is developed in-house. A full IT system transition is planned for August–September 2026.

The business model is anchored by a multi-shareholder ownership structure with the City of Oldenburg as majority shareholder (34.5%), complemented by Landessparkasse zu Oldenburg (22.22%), Nord/LB (22.22%), Deutsche Rentenversicherung Oldenburg-Bremen (11.7%), and Landkreis Oldenburg (9.35%). Beyond core rental operations, GSG runs a senior living program ("Wohnen mit Service") with Johanniter covering 65 barrier-free apartments across three districts, a prevention team for tenant financial counseling, and a GSG ENERGIE subsidiary offering heating and mini-solar solutions. GSG is unlisted, with no public revenue disclosure and no external funding rounds in the available data.

Name

Gsg Oldenburg Bau- Und Wohngesellschaft Mit Beschrankter Haftung

Legal name

GSG OLDENBURG Bau- und Wohngesellschaft mbH

Website

https://gsg-oldenburg.de

Company type

Private

Founded year

1924

Operating status

Operating

Short description

GSG OLDENBURG is a municipal housing company managing approximately 8,000 to 10,000 apartments in Oldenburg and Landkreis Oldenburg, offering rental housing, property management, brokerage, and senior living services to residential tenants and third-party property owners across the region.

Ownership category

akta.pro rank

Product category

Residential Property Management and Housing Services

NAICS

Assisted Living Facilities for the Elderly (623312)

SIC

Services-To Dwellings & Other Buildings (7340)

akta.pro primary industry

Senior Living Property Management (BPAJAGAI)

Keywords

• Residential property management
• Apartment rental services
• Social housing
• Real estate brokerage
• Condominium administration

Headquarters

HQ city

Oldenburg

HQ country

Germany

HQ region

Europe

Offices6 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

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

Revenue model

1. Apartment Rental Income: GSG OLDENBURG earns primary revenue from renting approximately 8,000 apartments across Oldenburg and the surrounding district. The company offers both market-rate and state-subsidized (socially funded) apartments. Rental income is the dominant revenue stream.
2. Property Management Services: The company earns fees from managing residential properties for third-party owners, including Wohnungseigentumsverwaltung (condominium management) and Miethausverwaltung (rental property management).
3. Brokerage and Valuation Services: GSG acts as a real estate broker (Maklertätigkeit) for buying and selling properties, and provides property valuation (Wertermittlung) services for third-party property owners.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

GSG OLDENBURG is a municipal housing company that develops, rents, manages, modernizes, and markets approximately 8,000–10,000 residential apartments in the city of Oldenburg and surrounding Landkreis Oldenburg municipalities. It offers both market-rate and state-subsidized (öffentlich geförderter) rental housing, third-party property management (Wohnungseigentums- and Miethausverwaltung), real estate brokerage and valuation, senior living services (Wohnen mit Service) in partnership with Johanniter, and an energy subsidiary (GSG ENERGIE) supplying heating and solar solutions.

Product overview

GSG Oldenburg is a housing company (Bau- und Wohngesellschaft) managing approximately 8,000-10,000 residential apartments in Oldenburg and the surrounding district. The company operates as a housing all-rounder offering rental housing through the Immomio digital platform, a tenant app and online portal for contract and document management, real estate brokerage and property management services, and construction/modernization projects. Key service offerings include the Präventionsteam for financial counseling, Wohnen mit Service (senior living in partnership with Johanniter), and GSG ENERGIE subsidiary for heating solutions. The company serves tenants through five district offices and provides educational resources via the Nah Dran online magazine.

Differentiator

Problem solved

Functional benefit

Products and services

• Mietangebote (Rental Apartments) Rental housing listings across approximately 400 locations in Oldenburg and Landkreis Oldenburg, comprising both market-rate and state-subsidized (Sozialwohnungen) apartments made available to individuals and families seeking rental housing.
• Maklertätigkeit und Wertermittlung (Real Estate Brokerage and Valuation) Professional brokerage for buying and selling residential real estate, together with property valuation (Wertermittlung) services, offered to private and institutional property owners in the Oldenburg region.
• Wohnungseigentumsverwaltung (Condominium Property Management) Professional administration of condominium owner associations, covering accounting, maintenance coordination, and governance support for owners and WEG communities.
• Miethausverwaltung (Rental Property Management) Full-service management of rental housing on behalf of third-party owners, including tenant administration, rent collection, maintenance, and accounting.
• Wohnen mit Service (Senior Living with Service) Assisted independent-living concept for older adults combining barrier-free apartments with subscription-based service packages (basic and plus) that include 24/7 Johanniter emergency call, household assistance, care coordination, and social services.
• GSG ENERGIE (Heating and Energy Solutions) Energy products and consulting for residential customers, including heating system solutions (incl. pellet heating) and balcony/garden mini-solar systems, delivered through the GSG ENERGIE subsidiary.

Quantifiable outcome

• Approximately 8,000 apartments managed across 400 locations in Oldenburg and the district of Oldenburg

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

Partnerships

Five partnerships are on record, tiered core and minor.

• Johanniter-Unfall-Hilfe e.V. (Regionalverband Weser-Ems)coreStrategic or Co-development PartnerGSG and Johanniter operate a joint 'Wohnen mit Service' (Senior Living with Service) program across three neighborhoods in Oldenburg (Osternburg, Kreyenbrück, Bloherfelde) with 65 barrier-free apartments. Johanniter provides 24/7 emergency call services, care coordination, household support, and social services. GSG provides the housing infrastructure. The partnership offers both a basic and a plus service package for senior tenants.
• Landessparkasse zu Oldenburg (LzO)minorGTM or Marketing PartnerListed as a Premium Partner (Premium-Partner) of GSG OLDENBURG. The savings bank cross-promotes GSG housing services to its customer base.
• Öffentliche Versicherungen OldenburgminorGTM or Marketing PartnerListed as a Premium Partner (Premium-Partner) of GSG OLDENBURG. The public insurer cross-promotes GSG housing services to its customer base.
• Vodafone (Partnerprogramm BewohnerPLUS)minorGTM or Marketing PartnerListed as a Premium Partner (Premium-Partner) of GSG OLDENBURG under the 'BewohnerPLUS' partner program. Vodafone provides telecommunications services or promotions to GSG tenants.
• ista Deutschland GmbHminorImplementation/ SI/ Consulting Partnerista Deutschland GmbH was contracted by GSG to install smoke detectors (Rauchwarnmelder) in apartments and to perform ongoing maintenance and functional inspection (Fernauslese/future wireless inspection every 36 months). This is mandated by Lower Saxony smoke detector regulations.

Scale indicators4 records

Recent moves7 records

Expansion highlights4 records

Market position

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/GSG.OLDENBURG
• LinkedInlinkedin.com/company/gsg-oldenburg
• Instagraminstagram.com/gsg.oldenburg

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 records

Subsidiaries1 record

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 Gsg Oldenburg Bau- Und Wohngesellschaft Mit Beschrankter Haftung