What departments does GAG Immobilien AG have?

GAG Immobilien AG has employees across 11 departments including Accounting, Environmental Services, Human Resources, Support, Branding.

What is the largest department at GAG Immobilien AG?

The largest department at GAG Immobilien AG is Information Technology with 4 employees.

Where are GAG Immobilien AG employees located globally?

GAG Immobilien AG has employees across 2 continents and 4 countries including Morocco, Germany, Switzerland, United Kingdom Of Great Britain And Northern Ireland.

How has GAG Immobilien AG's team size changed over time?

GAG Immobilien AG's team has grown from approximately 127 to 163 employees based on available data.

GAG Immobilien AG Employee Directory

Real EstateNorth Rhine-Westphalia, Germany201-500 Employees

GAG Immobilien AG is a mid-sized real estate company based in Köln, North Rhine-Westphalia. It is the city’s largest landlord, with nearly 44,000 apartments spread across Cologne. Founded in 1913, the company has long built and managed housing estates that continue to shape many neighborhoods, with a number of properties protected as monuments. In addition to maintaining its existing stock, it pursues new development projects aimed at increasing the supply of affordable housing in the city.

While the core focus is the management of its own rental portfolio, GAG also administers roughly 4,000 external apartments through WEG management. In addition, the company acts as a developer in the self-owned and owner-occupied housing segment within Cologne. A comprehensive advisory and customer service approach supports residents living in Cologne.

GAG Immobilien AG Global Highlights

Europe
164

Germany
162
Switzerland
1
United Kingdom Of Great Britain And Northern Ireland
1

Africa
1

Morocco
1

GAG Immobilien AG's Leadership

N. T.
Geschäftsführerin Gag Servicegesellschaft
Mobile Phone
Email
F. K.
Controller
Mobile Phone
Email
K. H.
Marketingleiterin
Mobile Phone
Email
L. R.
Teamleitung Portfolio- & Nachhaltigkeitsmanagement
Mobile Phone
Email
M. P.
Abteilungsleiterin Sozialmanagement / Quartiersentwicklung / Entwicklung Besonderer Wohnformen
Mobile Phone
Email
A. S.
Abteilungsleiterin Betriebskosten
Mobile Phone
Email
C. W.
Abteilungsleiterin Controlling, Portfolio- Und Nachhaltigkeitsmanagement
Mobile Phone
Email
C. E.
Abteilungsleitung Interne Revision
Mobile Phone
Email

GAG Immobilien AG Employee Metrics

100%

50%

0%

2026

2025

Accounting
Analytics
Business Development
Human Resources
Education
Other
Administrative
Information Technology

Contact profiles from GAG Immobilien AG

Name

Title

Contact

Location

Last Update

B. J.
Vorstandsassistentin
Mobile Phone
Email
Germany, North Rhine-Westphalia
Dec 07, 2023
B. B.
Einkäuferin
Mobile Phone
Email
Germany, North Rhine-Westphalia
Jul 22, 2024
J. R.
Grundstücksmanagement
Mobile Phone
Email
Germany, North Rhine-Westphalia
Mar 18, 2024
L. I.
Anwendungsbetreuer Sap Basis
Mobile Phone
Email
Germany, Nordrhein-Westfalen
Jul 31, 2024
M. A.
Referentin Marketing
Mobile Phone
Email
Germany, North Rhine-Westphalia
Feb 08, 2024
S. G.
Systemadministrator
Mobile Phone
Email
Jul 15, 2026
C. R.
Bilanzbuchhalterin
Mobile Phone
Email
Germany, North Rhine-Westphalia
Oct 19, 2025
A. L.
It-Systemadministrator
Mobile Phone
Email
Germany, North Rhine-Westphalia
Aug 17, 2026

Frequently Asked Questions

What is GAG Immobilien AG known for?

GAG Immobilien AG was founded in 1913 and operates in the Real Estate industry. You can contact GAG Immobilien AG's main corporate office by phone at

+49-4922-12****

. Explore GAG Immobilien AG's company overview page for more information.

What is GAG Immobilien AG's most common email format?

GAG Immobilien AG employees' email format typically follows the pattern of First.Last@gag-koeln.de. Trying to find reliable and up-to-date employee contact data? Find more GAG Immobilien AG email formats with LeadIQ.

How many employees does GAG Immobilien AG have currently?

GAG Immobilien AG has approximately 229 employees as of October 2026. These team members are located across 2 continents, including Europe and Africa.

Who are GAG Immobilien AG's key employees and leadership?

As of October 2026, GAG Immobilien AG's key employees include:

Geschäftsführerin Gag Servicegesellschaft: N. T.
Controller: F. K.
Marketingleiterin: K. H.
Teamleitung Portfolio- & Nachhaltigkeitsmanagement: L. R.
Abteilungsleiterin Sozialmanagement / Quartiersentwicklung / Entwicklung Besonderer Wohnformen: M. P.

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GAG Immobilien AG Employee Directory

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