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Jaeger Ausbau

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Corporate brand

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German interior fit-out specialist and pioneer of drywall construction, operating as a group of around 30 companies in Germany and Switzerland.

Last updated September 28, 2026

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Overview

Jaeger Ausbau is a German construction company specialising in interior fit-out, headquartered in Dortmund. Its origins trace back to a small insulation business founded by Josef Emons in Dortmund in 1936, which carried out house and heating insulation. In 1947 Egon Jaeger, co-managing director of F. Willich Isolierungen, took over the company and continued it under the name Josef Emons. From 1957 the focus shifted to sound insulation and drywall construction, a field that was gaining ground in the building industry. In 1970 Hans Jaeger, son of Egon Jaeger, took over the management. The first branches were established in Paderborn and Geldern in 1973. In 1982, on the occasion of the 100th anniversary of the parent company F. Willich, all Josef Emons departments for technical sound insulation and building acoustics were continued as Willich Akustik. In 1991 the Willich Group was restructured and the acoustics division companies were renamed Jaeger Akustik. The company increasingly developed from an acoustics and drywall contractor into a full-service interior fit-out provider, adding carpentry as well as glass and metal construction. Since 2005 the group has operated under the name Jaeger Ausbau. On 12 May 2011 the company announced that long-standing managing director Hans Jaeger was withdrawing from the operational business; management passed to Johann Jaeger, son of Hans Jaeger, and Thomas Weinrich. As a complete interior fit-out provider, Jaeger Ausbau offers its services primarily as a combination of trades. Its main areas of activity include drywall systems, floor systems, glass and metal construction, interior fit-out with wood and wood-based materials, relocatable system partition walls, painting work, building services, and project management. In addition to construction services, the company produces relocatable system partition walls, raised floor systems, and elements for wooden interior fit-out as well as glass and metal construction. The company positions itself as a partner for architects, building owners, investors, planning offices, general contractors, and clients who value aesthetics, function, and sustainability. Its internal project management coordinates the various trades. Jaeger Ausbau is a corporate group consisting of 30 independent companies (as of 2021) in Germany and Switzerland. The holding company is Jaeger Ausbau Beteiligung GmbH + Co KG. The company has received several awards, including TOP100 Top-Innovator 2017 (most innovative companies in Germany), the Rigips Trophy 2018 main prize in the drywall category, and the Rigips Trophy 2023 main prize in the drywall category plus a special prize for surfaces. Notable construction projects involving Jaeger Ausbau include the Kunsthalle Mannheim new building (Hector-Bau), the MainTor Areal in Frankfurt/Main, The Squaire in Frankfurt/Main, the BMW plant Leipzig central building, the Gläserne Manufaktur in Dresden, Stadttor in Düsseldorf, cube berlin, and Aquis Plaza in Aachen. The company describes itself as a pioneer of drywall construction in Germany, combining tradition with digital processes and efficient construction workflows.

History

The origins of Jaeger Ausbau go back to a small insulation business founded by Josef Emons in Dortmund in 1936, which carried out house and heating insulation. In 1947 Egon Jaeger, co-managing director of F. Willich Isolierungen, took over the company and continued it under the name Josef Emons. From 1957 the focus of activity shifted to sound insulation and drywall construction, which was increasingly entering the building industry. In 1970 Hans Jaeger, son of Egon Jaeger, took over the management of the company. In 1973 the first branches were established in Paderborn and Geldern. In 1982, on the occasion of the 100th anniversary of the parent company F. Willich, all Josef Emons departments for technical sound insulation and building acoustics were continued as Willich Akustik. In 1991 the Willich Group was restructured. The companies of the acoustics division were renamed Jaeger Akustik. The company increasingly developed from an acoustics and drywall contractor into a complete interior fit-out provider; in this context, carpentry work as well as glass and metal construction could now also be offered. As part of this, the group has operated under the name Jaeger Ausbau since 2005. On 12 May 2011 the company announced that long-standing managing director Hans Jaeger was withdrawing from the operational business. Management is in the hands of Johann Jaeger, son of Hans Jaeger, and Thomas Weinrich. As of 2021, Jaeger Ausbau is a corporate group consisting of 30 independent companies in Germany and Switzerland, with Jaeger Ausbau Beteiligung GmbH + Co KG as the holding company.

  • 2023

    Wins Rigips Trophy 2023 main prize in drywall category and special prize for surfaces.

  • 2021

    Group consists of 30 independent companies in Germany and Switzerland.

  • 2018

    Wins Rigips Trophy 2018 main prize in the drywall category.

  • 2017

    Awarded TOP100 Top-Innovator 2017.

  • 2011

    Hans Jaeger withdraws from operational business; Johann Jaeger and Thomas Weinrich take over management.

  • 2005

    Group operates under the name Jaeger Ausbau.

  • 1991

    Willich Group restructured; acoustics division companies renamed Jaeger Akustik.

  • 1982

    On the 100th anniversary of F. Willich, departments for technical sound insulation and building acoustics continue as Willich Akustik.

  • 1973

    First branches established in Paderborn and Geldern.

  • 1970

    Hans Jaeger, son of Egon Jaeger, takes over management.

Products and positioning

Complete interior fit-out provider combining multiple trades, targeting clients who expect more than standard.

  • Drywall systems

  • Floor systems

  • Glass and metal construction

  • Interior fit-out with wood and wood-based materials

  • Relocatable system partition walls

  • Painting work

  • Building services

  • Project management

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