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Achieving more together.

The Österreichischer Kommunal-Verlag is part of a strong company network. The holding at the top of the group is Zimper GmbH, to which all houses belong. Together with Zimper Media, LSZ, Improove, RIS and Kommunos, we connect media, events, marketing and knowledge in the municipal and construction sectors.

Zimper GmbH

Holding

Österreichischer Kommunal-Verlag
Zimper Media
Kommunos GmbH
LSZ
Improove
RIS GmbH
The companies

Six houses, one network.

Österreichischer Kommunal-Verlag

Österreichischer Kommunal-Verlag

Vienna
Media house

The group's founding company, established in 1989: trade media for municipalities and the construction industry, including KOMMUNAL, the official organ of the Austrian Association of Municipalities, and a3BAU. Its ten print titles are complemented by websites, newsletters, Kommunalbedarf.at, the KOMMUNAL Campus and events such as the Kommunalmesse.

kommunalverlag.at →
Logo Zimper Media

Zimper Media

Berlin
Subsidiary of the Kommunal-Verlag

The Kommunal-Verlag's Berlin subsidiary specialises in communication with the public sector and reaches municipal decision-makers in Germany's roughly 11,000 municipalities. Its portfolio includes the trade media KOMMUNAL and die:gemeinde, the Forum KOMMUNAL and the Messe KOMMUNAL trade fair, plus online media, content marketing and market research.

zimpermedia.de →
Logo LSZ

LSZ

Vienna & Munich
Events & congresses · 90%

From Vienna and Munich, LSZ organises more than 40 congresses, conferences, forums and webinars a year. Its formats are aimed at the IT, HR, digital, security and marketing sectors; in Munich the company operates as LSZ Future Connections GmbH.

lsz.at →
Logo Improove

Improove

Vienna & Madrid
Online marketing · SEO & GEO

Improove is an agency for search engine optimisation, paid search and visibility in AI search (GEO), founded in 2009, with its headquarters in Vienna and a second office in Madrid. It works for companies in more than 60 countries and has been part of the group as an independent brand since 2026.

improove.net →
Logo RIS GmbH

RIS GmbH

Steyr
Shareholding · 25.3%

RIS GmbH, based in Steyr, develops digital solutions for municipalities and is best known for its Gem2Go product family. This includes a content management system for municipal websites, the Gem2Go citizen app, digital maps, regional portals and the Gem2Go Kiosk as a digital notice board.

ris.at →
Logo Kommunos GmbH

Kommunos GmbH

Linz
Kommunal-Verlag shareholding · 33.3%

Kommunos provides cities, municipalities and municipal associations with software to advertise vacancies, manage applications and select staff. The service is backed by three owners who contribute IT and software development, recruitment consulting and knowledge of the municipal sector – one of them is the Kommunal-Verlag.

kommunos.at →
Timeline

How the network has grown.

From the founding of the publishing house to the company group – step by step.

2026

Improove – acquisition (100%), digital marketing for SEO & GEO.

2021

RIS GmbH – shareholding (25.3%), Gem2Go.

2018

Kommunos GmbH (Linz) – shareholding (33.3%), software for municipal recruitment.

2018

LSZ (Vienna & Munich) – events, congresses & webinars.

2014

Zimper Media (Berlin) – building the German market with KOMMUNAL Deutschland and die:gemeinde.

1989

Founding of the Österreichischer Kommunal-Verlag – the founding house of today's group.