GAG Immobilien
GAG Immobilien AG is Cologne's largest landlord, managing approximately 45,000 rental apartments across all city districts and providing homes to over 100,000 residents. It offers freely financed and subsidized (WBS) housing, senior, student, and special-needs units, plus adjacent digital, energy, and property management services.
- Company typePublic
- Founded1928
- HeadquartersCologne, Germany
- Headcount51–100
- GTM typeB2B and B2C
- OfferingServices
What GAG Immobilien does
GAG Immobilien AG is a publicly registered German housing company (Aktiengesellschaft) headquartered in Cologne, operating as the city's largest landlord with a portfolio of approximately 45,000 apartments serving over 100,000 residents. Founded in 1928 and operating under the motto "Fair verlässlich für uns alle," the company provides a horizontally segmented residential rental portfolio spanning freely financed market-rate apartments (priced at approximately 7.63 EUR/sqm cold rent in 2023), publicly subsidized WBS housing, senior-friendly units, student apartments, multi-generational housing, dementia shared apartments (Demenz-WGs), and barrier-free special-needs units, alongside commercial real estate (Gewerbeimmobilien) and parking.
The company monetizes through recurring monthly rent and ancillary fee subscriptions, plus property management services (WEG-Verwaltung, third-party management, and Sondereigentum management). Adjacent recurring revenue comes from Veedel Energie (green electricity supply), Wallbox EV-charging rentals, and Mobility Hubs with KVB partnership. Digital tenant experience runs through the Meine GAG mobile app (iOS/Android) with features for contract management, document access, damage reporting, SEPA mandate handling, rent certificate generation, and an AI-assisted ChatGPT chatbot for customer service; the Meine GAG Smarthome app adds optional smart-lock control via ROCKETHOME cloud infrastructure. Backend runs on SAP for property management with Microsoft Azure hosting.
Distribution is direct-to-consumer across a website property search portal, neighborhood customer service centers, and partner-organization referrals (Lebenshilfe Köln, DRK, AWO, wohn mobil, and multiple resident associations for multi-generational housing). Marketing blends digital channels (Instagram, Facebook) with deep local community engagement including an annual Silvesterlauf run, "Euer Song für Köln" music competition, and the Mission Sauberkeit cleanliness campaign with comedian Teddy Teclebrhan. Sustainability is a stated strategic pillar with QNG-PLUS-certified new construction, PV/heat pump/green roof installations, and dedicated Nachhaltigkeitsberichte reporting.
GAG Immobilien firmographics
Firmographics- Name
- GAG Immobilien
- Legal name
- GAG Immobilien AG
- Website
- https://gag-koeln.de
- Company type
- Public
- Founded year
- 1928
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- GAG Immobilien AG is Cologne's largest landlord, managing approximately 45,000 rental apartments across all city districts and providing homes to over 100,000 residents. It offers freely financed and subsidized (WBS) housing, senior, student, and special-needs units, plus adjacent digital, energy, and property management services.
- Ownership category
- akta.pro rank
GAG Immobilien industry classification
Industry- Product category
- Residential Property Rental
- NAICS
- Rental and Leasing Services (532)
- SIC
- Operators Of Apartment Buildings (6513)
- akta.pro primary industry
- Corporate / Executive Housing Management (BPAJAFAK)
- akta.pro secondary industry
- Corporate Housing Property Management (Owner-Managed / Third-Party) (THAMAHAJ)
Keywords
Where GAG Immobilien is headquartered
LocationHeadquarters
- HQ city
- Cologne
- HQ country
- Germany
- HQ region
- Europe
Offices1 record
Markets served
GAG Immobilien business model
Business model- GTM type
- B2B and B2C
- Offering type
- Services
- Cost components
- Operations, Infrastructure, Personnel, Supply Chain, Technology or R&D, Marketing or Sales
Revenue model
- Residential Property Rentals: GAG generates primary revenue from renting approximately 45,000 apartments and units in Cologne, including freely financed apartments, subsidized housing (WBS), senior apartments, student apartments, and special needs housing. Rent includes cold rent and ancillary costs.
- Commercial Property Rentals: Revenue from renting commercial real estate units (Gewerbeimmobilien) to businesses in Cologne.
- Parking Spaces: Rental of underground garage and outdoor parking spaces to tenants.
- Veedel Energie (Eco Electricity): Provision of green electricity to tenants with separate electricity supply contracts.
- Wallbox Rental: Rental of high-performance wallboxes for electric vehicles at private GAG parking spaces.
- Property Management Services: WEG administration, third-party property management, and special ownership management for property owners.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Monthly | Freely Financed Apartments - Market-rate rental housing |
| Subscription | Monthly | WBS (Subsidized) Apartments - Income-restricted housing |
| Subscription | Monthly | Student Apartments - Student housing |
| Subscription | Monthly | Senior Apartments - Age 60+ housing |
| Subscription | Monthly | Wallbox Rental |
| Subscription | Monthly | Veedel Energie Eco Electricity |
Go-to-market motion1 record
Distribution channels5 records
Marketing channels9 records
GAG Immobilien product offering
Product offeringCore offering
GAG Immobilien AG is Cologne's largest residential landlord, operating a portfolio of approximately 45,000 rental apartments that includes freely financed, publicly subsidized (WBS), senior, student, multi-generational, dementia, and special-needs housing. The company also rents commercial units, parking, and offers complementary services such as Veedel Energie eco-electricity, EV wallbox charging, and mobility hubs, with the Meine GAG mobile app as the primary digital tenant management channel.
Product overview
GAG Immobilien AG is Cologne's largest housing provider offering a comprehensive portfolio of rental housing and related services. The core digital product is the Meine GAG customer app (iOS/Android) which provides rental relationship management, document access, chatbot-based customer service, and SEPA direct debit handling. This is complemented by the Meine GAG Smarthome app for smart home door lock features. The housing portfolio includes freely financed apartments, subsidized WBS apartments, senior apartments (with service living options like Weidenhof-Residenz and Görlinger Zentrum through partners AWO and DRK), student apartments, multi-generational housing, dementia shared apartments, and apartments for special needs. Additional services include Veedel Energie eco electricity, wallbox charging stations, mobility hubs, and housing adaptation consulting. The company manages approximately 45,000 apartments across Cologne.
Differentiator
Problem solved
Functional benefit
Brands
- Meine GAG: Digital tenant app for managing rental relationships, viewing documents, and contacting customer service
- Veedel Energie
- Mission Sauberkeit
Companies that use GAG Immobilien
Customer profileNamed customers6 records
Segments7 records
Ideal customer profiles1 record
GAG Immobilien technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration6 records
AI capability3 records
Feature3 records
GAG Immobilien partnerships and signals
Strategic signalPartnerships
14 partnerships are on record, tiered core and minor.
- DRK Kreisverband Köln e.V.coreSince August 2024, DRK provides service living services in Görlinger Zentrum including nursing care, 24-hour emergency response, daily support services, and social activities organization for senior residents.
- Lebenshilfe KölncorePartnership for housing people with intellectual disabilities. Lebenshilfe manages daily support for 30 people in group homes and single apartments at four locations. GAG provides the housing infrastructure while Lebenshilfe provides care and support services.
- wohn mobil (ParSozial Köln)coreCooperation for comprehensive free consultation on barrier-free housing adaptation. wohn mobil provides qualified advice on home modifications with special aids and modern technology for GAG tenants with age-related or other limitations.
- AWO Kreisverband Köln e.V.coreAWO provides service living services at Weidenhof-Residenz including 12-hour reception, senior counseling, nursing care organization, daily assistance services (newspaper delivery, garbage removal), optional services (shopping, transport, mailbox, laundry), and recreational activities.
- ROCKETHOME GmbHcoreExternal hosting provider for Meine GAG Smarthome app. Provides cloud infrastructure for smart home features including door lock systems. Data processing occurs in Germany or EU.
- Microsoft AzurecoreCloud platform hosting for GAG chatbot using ChatGPT service. Chatbot is used for automated customer service ticket creation and damage reporting in Meine GAG app. Data processing within EU.
- WohnBunt Köln e.V.minorResident association managing multi-generational housing in Bickendorf with 13 apartments. WohnBunt assigns apartments and facilitates community living with shared garden and community room.
- villa andersminorResident association managing 35-apartment multi-generational house in Ehrenfeld since 2009. Inclusive housing for people of various sexual orientations without discrimination.
- Ledo Wohnen e.V.minorResident association managing 64 affordable apartments in Niehl (2009) with almost 90 residents. Part of large geothermal housing settlement in Europe.
- futur 3 e.V.minorResident association for 28-apartment multi-generational housing in Kalk, creating neighborhood meeting space and community kitchen.
- Lebensräume in Balance e.V.minorResident association for 34-apartment multi-generational house in Ostheim since 2017. Supports residents in local initiatives with community room, guest room, and garden pavilion.
- Villa StellwerkminorResident association for 15 affordable apartments in car-free settlement in Nippes. Sustainable living with car-sharing and mobility center.
- KVB (Kölner Verkehrs-Betriebe)minorMobility partnership providing access to KVB bicycles at GAG mobility hubs, supporting sustainable transportation for tenants.
- Stadt Köln (City of Cologne)coreCity government partner for subsidized housing programs. Issues Wohnberechtigungsschein (WBS) certificates and oversees affordable housing allocation. GAG participates in city housing programs.
Scale indicators4 records
Recent moves6 records
Expansion highlights6 records
GAG Immobilien competitors and assessment
Company assessmentDirect peers
- LEG Immobilien AG: NRW-focused residential landlord with ~136,000 units trading on the Frankfurt Stock Exchange. Operates in the same regulatory environment (WBS, NRW city markets) and serves overlapping tenant demographics, making it the most direct public comparable to GAG's Cologne portfolio.
- Vivawest Wohnen GmbH: Ruhr/NRW-area residential landlord with ~120,000 units, jointly owned by municipal shareholders and energy companies (RWE). Same publicly-influenced ownership structure, WBS exposure, and North Rhine-Westphalia operating focus as GAG.
Broad incumbents
- Vonovia SE: Europe's largest residential landlord (~540,000 units) with extensive operations across Germany, including NRW. While too large and national in scope to be a direct competitor in Cologne, it represents the broad-incumbent benchmark for German residential rental economics, scale efficiencies, and digital tenant services.
Regional players
- SAGA Siedlungs-Aktiengesellschaft Hamburg: Hamburg's city-owned residential landlord with ~130,000 units. Same municipal/public-AG ownership model and mission-driven affordable housing focus, but operates exclusively in the Hamburg metro rather than Cologne.
- Gewobag AG: Berlin municipal residential landlord with ~65,000 units, comparable in city-scoped scale and public/municipal ownership to GAG. Serves as a structural comp even though geographic market is different.
- Howoge Wohnungsbaugenossenschaft: Berlin-based residential housing provider owned by the City of Berlin, operating roughly 80,000 units. Comparable municipal ownership structure and affordable-housing mandate to GAG, although Berlin is a distinct market.
- Degewo AG: Berlin/Brandenburg residential landlord (~75,000 units), publicly owned and operating under similar WBS-style subsidized housing programs. Closely analogous operating model in a different German metropolitan market.
Emerging players
- Bauverein München eG: Munich-based housing cooperative providing affordable rental housing under a member-owned model. While smaller and structured as a cooperative rather than AG, the affordable-rental focus and German municipal-policy exposure make it thematically comparable.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks5 records
Key highlights7 records
Customer concentration
GAG Immobilien social profiles
Digital presenceGAG Immobilien financial estimates
Financial estimateRevenue estimate
Valuation estimate
GAG Immobilien leadership team
Management profileNumber of profiles
GAG Immobilien funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
GAG Immobilien M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about GAG Immobilien
What does GAG Immobilien do?
GAG Immobilien AG is Cologne's largest residential landlord, operating a portfolio of approximately 45,000 rental apartments that includes freely financed, publicly subsidized (WBS), senior, student, multi-generational, dementia, and special-needs housing. The company also rents commercial units, parking, and offers complementary services such as Veedel Energie eco-electricity, EV wallbox charging, and mobility hubs, with the Meine GAG mobile app as the primary digital tenant management channel.
Is GAG Immobilien a public or private company?
GAG Immobilien is a public company. It is classified as corporate owned and is currently operating.
When was GAG Immobilien founded?
GAG Immobilien was founded in 1928. It employs 51 to 100 people.
Where is GAG Immobilien based?
GAG Immobilien is headquartered in Cologne, Germany, in the Europe region.
How does GAG Immobilien make money?
Six revenue lines are on record. Residential Property Rentals are the primary driver. The others are commercial Property Rentals, parking Spaces, veedel Energie (Eco Electricity), wallbox Rental and property Management Services.
Who are GAG Immobilien's main competitors?
Direct peers on record are LEG Immobilien AG and Vivawest Wohnen GmbH. Vonovia SE is listed as a broad incumbent. Regional players are SAGA Siedlungs-Aktiengesellschaft Hamburg, Gewobag AG, Howoge Wohnungsbaugenossenschaft and Degewo AG. Bauverein München eG is listed as an emerging player.
Does GAG Immobilien have an API?
No public API is recorded for GAG Immobilien.
What industry is GAG Immobilien in?
GAG Immobilien's product category is Residential Property Rental. Its primary akta.pro industry code is BPAJAFAK, Corporate / Executive Housing Management, with a secondary code of THAMAHAJ, Corporate Housing Property Management (Owner-Managed / Third-Party). Its NAICS code is 532 and its SIC code is 6513.