left right sail checkmark search close menu argo comp world arrow-top people




Main features

  • Intelligent, structured customer relationship management
  • More successful and efficient property portfolio marketing
  • Key information at your fingertips at all times and everywhere
  • Tailored to the individual needs and business processes of customers

[argo®web] ZEHN, a market-leading software solution and core application for companies with a national and international focus, currently offers the most comprehensive and proven standard for the commercial real estate industry.

For medium-sized companies, chains and international businesses, [argo®web] ZEHN is a future-proof platform which combines individually scaled business requirements and processes with transparency, productivity, mobility and controllability.

Besides intelligent integration of the Microsoft® Office product suite, [argo®web] ZEHN also boasts a flexible architecture which supports the connection of all kinds of external systems and modular add-ons for on-premise and cloud-based usage.


Technical requirements / Availability


  • Windows 7 / 8 / 10
  • Microsoft® Office 2007 or higher
  • Monitor 1.280 x 1.024 (recommended resolution)


  • Windows® Server 2008 R2 STD or higher
  • Microsoft® SQL Server 2008 STD or higher

Optional add-ons for [argo®web] BS


Integration of geographical services for property positioning, use of road maps and aerial images in property brochures, transaction analysis and selection of property classes in a map-supported offer process.


Turnover planning, controlling, invoicing and the dunning process. Recording of likelihood of closing and success data with respect to offers, retainers and projects. Optional add-on for recording costs and time can be integrated.

Power BI module

Power BI module for the provision of reporting dashboards and dynamic charts in [argo®web] and for mobile use on tablets and smartphones. Sharing of BI reports with selected internal and external user groups.

Enterprise Mobility platform


Tablet app for providing customers with professional advice on site. Presentation of properties and comparable transactions, all relevant property and area information as well as documents for online and offline use included.


Tablet app for adding and updating property, area and rental information on site. Simple use of standard lists from [argo®web]. Option to take photos and videos during property visits.


CRM to Go. Smartphone app for mobile use of address, contact and property data. Retrieval of linked activity and offer information as well as the ability to add and update data.

About us

DELTA ACCESS is the leading manufacturer of software solutions for the commercial real estate industry. Careful investigation, the development of solutions specifically tailored to the task and implementation within the relevant company have been proven in practice and are based on a high degree of consolidated expertise.

As an innovative IT systems vendor and market leader, DELTA ACCESS has been supporting real estate consultants, project developers and investment companies (currently in 16 European countries) for more than 20 years.