Blick auf den Dom und die Hohenzollernbrücke
Deutz mit Severinsbrücke im Hintergrund die Kranhäuser
Köln uns Rhein in Blickrichtung Süden

Experience. Expertise. Commitment. Place Your Trust in Our Comprehensive Single-Source Real Estate Services.

See for yourself how we never compromise on the quality of our services.

Portraitfoto Herr Theodor J. Greif
Immobilienmakler bei der Immobilienvermittlung - Nah am Kunden, nah am Markt


Our in-depth knowledge of the market enables us to provide our customers with a decisive advantage.

our services
Immobllienmakler bei der persönlichen, professionellen und nachhaltigen Immobilienberatung


Being successful in the complex real estate markets requires comprehensive and individual consultation.

our consultancy services
Immobilienmakler bei der Immobilien­bewertung mit Marktnahen Analysen, Gutachten und Beurteilungen


Transparency and an overview of the real estate markets provide for a solid base for your investments.

our criteria
Immobilienverwaltung mit Professionalität und Engagement

Property Management

If you are looking for management services for your property, then you have come to the right place.

our services



Weathering the pandemic with ease

Office rents in Cologne remain stable even in these challenging times, and market participants are optimistic regarding the months ahead

Read more

Nonwoven material producer TWE buys around 34,000 square metres of commercial space in Hachenburg

The real estate experts Greif & Contzen provided consultation and brokerage services for the transaction in the Westerwald region.

Read more

How much office space is needed in Cologne?

In their latest report of the office space market, the real estate experts from Greif & Contzen are taking a look at the current work-from-home trend caused by the corona pandemic, and the impact it has on Cologne’s office property market.

Read more

Cologne’s real estate investment market

The property experts of Greif & Contzen present their latest report of the first three quarters of 2020: The market is picking up speed again, following the involuntary break / changes to the demand structure due to the corona crisis

Read more

The market has started to recover from the corona crisis

In their latest market report, the real estate experts from Greif & Contzen take a look at the first three quarters in the industrial and logistics property market of Cologne|Bonn. The bottom line: Following the dent caused by the corona crisis, it can already be observed that the market is recovering, and companies, investors and property developers are signalling their confidence in the region.

Read more

Corona disrupts Cologne’s office space market, but there are signs of a recovery

Greif & Contzen analyses the first half of the year: Corona gives rise to adjustment processes, but rents remain stable and vacancies are increasing slightly for the time being. Many companies have put their search for premises on hold, however, activities in the office space market are picking up once again.

Read more