Company · Housing associations

GAG_

As of 30 October 2026, GAG has 10 open roles (1 new in 30 days), its unclassified team is hiring most, and its postings name Angular, ASP.NET and Microsoft SharePoint as the tools the team works in.

As of 30 October 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.

Köln, Germany501-1000 employees50M-250M revenue, est.B2C, B2Bgag-koeln.de ↗LinkedIn ↗
Headquarters
Köln, Nordrhein-Westfalen, Germany
Employees
501-1000 employees (linkedin)
Sells to
tenants, property owners, commercial tenants
Certifications on site
Site languages
DE
Career system
Ownsite_html
10open roles · 1 new in 30 days
12tools named in postings
Germanyhiring locations
0change signals read in postings
02 — What they do, whom they sell to, who else does it

GAG in one screen

Read from gag-koeln.de: what the company does, the customers it names, the buyers we can actually see, and the companies that sell the same thing.

What GAG does

GAG is a public housing provider in Cologne that rents residential and commercial properties and manages tenant and owner services. Its offerings include new-build apartments, subsidized WBS apartments, free-financed apartments, parking space rental, EV charging wallbox rental, and mobility hubs. It also provides energy supply through Veedel Energie.

new-build apartmentssubsidized apartmentsfree-financed apartmentsparking space rentalcommercial property rentalEV charging wallbox rentalmobility hubsenergy supply
Whom it sells to

Named on the site: tenants, property owners, commercial tenants, residential tenants.

Who else sells this

Nearest companies by what they do, sell and whom they serve, 51+ employees. 571 scored.

gbg Wohnungsbaugesellschaft Hildesheim AGGermany · 51-200 employeesEWG eGGermany · 51-200 employeesGGEW AGGermany · 201-500 employeesGWG Halle-NeustadtGermany · 51-200 employeesgwg wuppertalGermany · 51-200 employeesABG FRANKFURT HOLDING GmbHGermany · 501-1000 employees
03 — Tech stack, with the evidence

What GAG says it runs

Tools named in the company's own postings as the team's systems, with the sentence that says so. What the website and DNS show is listed separately.

Angular · high confidence · 1 posting
Unsere Software-Entwicklerinnen und Entwickler sind die Schnittstelle zu all unseren Fachbereichen und übernehmen die Entwicklung und Erweiterung individualisierter Enterprise-Applikationen auf Basis von ASP.NET Core, React oder Angular.
Querschnittsfunktionen · first seen 2026-10-26
ASP.NET · high confidence · 1 posting
Unsere Software-Entwicklerinnen und Entwickler sind die Schnittstelle zu all unseren Fachbereichen und übernehmen die Entwicklung und Erweiterung individualisierter Enterprise-Applikationen auf Basis von ASP.NET Core, React oder Angular.
Querschnittsfunktionen · first seen 2026-10-26
Microsoft SharePoint · high confidence · 1 posting
Umfangreiche Kenntnisse im Bereich SQL Server, SharePoint, Data Warehouse, Business Intelligence, VB.NET/C#, VBA und MS Access dürfen hier nicht fehlen.
Querschnittsfunktionen · first seen 2026-10-26
React · high confidence · 1 posting
Unsere Software-Entwicklerinnen und Entwickler sind die Schnittstelle zu all unseren Fachbereichen und übernehmen die Entwicklung und Erweiterung individualisierter Enterprise-Applikationen auf Basis von ASP.NET Core, React oder Angular.
Querschnittsfunktionen · first seen 2026-10-26
SharePoint Framework (SPFx) · high confidence · 1 posting
Auch die Modernisierung und Erweiterung unserer Microsoft-SharePoint-Farm mithilfe von SPFx ist Teil ihrer Aufgabe.
Querschnittsfunktionen · first seen 2026-10-26
Microsoft Officereal estate and property · medium confidence · 2 postings
• Im Umgang mit MS-Office-Programmen sind Sie sicher.
Spielplatzinstandhalter (m/w/d) · first seen 2026-09-25
C# · medium confidence · 1 posting
Umfangreiche Kenntnisse im Bereich SQL Server, SharePoint, Data Warehouse, Business Intelligence, VB.NET/C#, VBA und MS Access dürfen hier nicht fehlen.
Querschnittsfunktionen · first seen 2026-10-26
Microsoft Access · medium confidence · 1 posting
Umfangreiche Kenntnisse im Bereich SQL Server, SharePoint, Data Warehouse, Business Intelligence, VB.NET/C#, VBA und MS Access dürfen hier nicht fehlen.
Querschnittsfunktionen · first seen 2026-10-26
Microsoft SQL Server · medium confidence · 1 posting
Umfangreiche Kenntnisse im Bereich SQL Server, SharePoint, Data Warehouse, Business Intelligence, VB.NET/C#, VBA und MS Access dürfen hier nicht fehlen.
Querschnittsfunktionen · first seen 2026-10-26
VBA · medium confidence · 1 posting
Umfangreiche Kenntnisse im Bereich SQL Server, SharePoint, Data Warehouse, Business Intelligence, VB.NET/C#, VBA und MS Access dürfen hier nicht fehlen.
Querschnittsfunktionen · first seen 2026-10-26
VB.NET · medium confidence · 1 posting
Umfangreiche Kenntnisse im Bereich SQL Server, SharePoint, Data Warehouse, Business Intelligence, VB.NET/C#, VBA und MS Access dürfen hier nicht fehlen.
Querschnittsfunktionen · first seen 2026-10-26
SAPreal estate and property · low confidence · 2 postings
Erfahrungen mit SAP sind von Vorteil und Sie sind bereit, sich in weitere Systeme einzuarbeiten.
Spielplatzinstandhalter (m/w/d) · first seen 2026-09-25
On the website or in DNS

Vendors whose code loads on gag-koeln.de or whose records sit in its DNS. Page plumbing (libraries, fonts, consent banners) is left out.

04 — Hiring

10 open roles, 4 opened in 90 days

Read hourly from the company's career system. Open roles and new roles in the last 30 days, by team. Companies hiring unclassified in Germany →

05 — Signals

What is changing, read from the postings

Intents are events the employer states about itself, each with the sentence and the posting it came from.

No change signals read in the current postings.

Decision makers at GAG, with verified e-mails, and every change the moment it is posted.

Sales, marketing and IT leaders by function. Add GAG to a monitor and get a webhook when a role opens, a tool appears or a signal is read.

Free plan: 1,000 records, no card. The first 20 are above; e-mails are verified at the mail server when you open them.

06 — Lookalikes

Companies like GAG

Nearest by what they do, what they sell and whom they sell to, 51+ employees. 6 of 571 scored.

gbg Wohnungsbaugesellschaft Hildesheim AGResidential landlords · Germany51-200 employees
EWG eGHousing associations · Germany51-200 employees
GGEW AGEnergy retail suppliers · Germany201-500 employees
GWG Halle-NeustadtResidential landlords · Germany51-200 employees
gwg wuppertalResidential landlords · Germany51-200 employees
ABG FRANKFURT HOLDING GmbHResidential landlords · Germany501-1000 employees
07 — Profile

From the company's own website

Legal nameGAG
IndustryProperty & construction · Housing associations
Offeringsnew-build apartments · subsidized apartments · free-financed apartments · parking space rental · commercial property rental · EV charging wallbox rental · mobility hubs · energy supply
Target customerstenants · property owners · commercial tenants · residential tenants
Geographic scopelocal · also Austria
Reviews found
Public contact points2 role addresses · 3 phone numbers
Pages readprivacy, home, imprint, contact, careers, references, about, services
Datescrawled 2026-07-28 · profiled 2026-08-15 · hiring built 2026-10-27
Cite this

Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.

GAG (Köln, Germany, 501-1000 employees) has 10 open roles, 1 new in 30 days, and names 12 tools in its postings. (Breaknorm, 30 October 2026, https://breaknorm.co/company/gag-koeln.de)
How we know

Read from the source, not self-reported

Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →

  • ProfileBuilt from gag-koeln.de: summary, offerings, customers, certifications and contact points are extracted from its pages, with a confidence score per field.
  • HiringRead hourly from the company's Ownsite_html career site; reposts collapse into one record.
  • Tech stackTools the employer's own text names as the team's systems, with the quote; website scripts counted separately.
  • HeadcountLinkedIn where known, otherwise estimated from the site.
FAQ

GAG: questions

Does GAG use Angular?

Yes, by the company's own words: 1 posting name it, first seen 2026-10-26, in the team.

Is GAG hiring?

10 open roles as of 30 October 2026, 1 opened in the last 30 days and 0 closed. The largest team hiring is unclassified.

Where does this profile come from?

From gag-koeln.de itself: we crawled it on 2026-07-28, built the profile on 2026-08-15, and read its career site (Ownsite_html) hourly since. Headcount is from LinkedIn.

Who should I write to at GAG?

The people are behind the login: decision makers by function, verified at the mail server when you open them. 2 public role addresses from the site are there too.

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