Deutsche Bau- und Bodenbank AG's data processing centre is established, allowing mass data processing – launch of what has since become today's GES ERP system

Start of ongoing development from data centre to IT services group for the property sector

1990

Acquisition of controlling interest in WohnData

1997

Spin-off of IT Services into a separate subsidiary, BauBoden Systemhaus GmbH

1999

Group with a holding company is created and renamed DePfa IT Services AG. International expansion begins

2001

Introduction of the service portal Mareon

2002

Start of cooperation with SAP AG to develop a new software generation – Blue Eagle – for the property industry

Parent company DePfa Bank AG split into a Public Finance bank and a Property bank. Change of company name to Aareon AG. Aareon AG is now wholly-owned by Aareal Bank AG.

2004

Launch of Blue Eagle and Aareon Energy Management services

2006

Introduction of an ERP multi product strategy

Strategic partnership entered into with energy services provider Techem, to exchange Aareon's Energy Management against Techem IT Services. Aareom Wodis GmbH is the product of the takeover of Techem IT Services GmbH.

2007

Company celebrates its 50th anniversary

2008

Market launch of the document management system Aareon DMS

Acquisition of the French Sylogis.com SAS (100 %)

2009

Introduction of the new Wodis Sigma product generation

Merger of Sylogis.com and Aareon France

Aareon moves into a new headquarter in Mainz

2010

20th Aareon Congress

Acquisition of all shares in Dutch company SG|automatisering bv

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