Nesseler Grünzig Gruppe

The Nesseler Grünzig Gruppe (also known as the nesseler Gruppe) is a German family-owned construction and real estate group founded in 1910 in Stolberg, near Aachen. Its roots go back to the construction firm of Robert Grünzig, who took over the shares of the departing partner Castner in 1910, renaming the business Henning & Grünzig. After partner Hennig withdrew in 1918, Grünzig became sole owner and renamed the company Robert Grünzig Bauunternehmen, based on Zweifaller Straße in Stolberg. The firm expanded through the 1920s, profiting from the economic boom of the Weimar years, and by 1928 employed around 1,200 people. It built housing settlements, industrial facilities and infrastructure, including work on the Westmark Industrie GmbH Aachen project to construct a coal mine in Faulquemont, Lorraine, as part of German reparations after World War I. Over more than a century the group has repeatedly changed its corporate name and identity, and today operates as the nesseler Gruppe. Its headquarters have been in Aachen-Brand since 2003, and it also runs a precast concrete plant in Aachen-Forst. The group's portfolio covers large-scale construction for industry, commerce and trade, residential construction including entire neighbourhoods, and public building projects, primarily across the Rhineland, the Ruhr and the Frankfurt region. Beyond pure construction services, it offers a broad spectrum of services from project development and planning through to the operation of real estate. The company is a family business, with successive generations of owners and shareholders shaping its development, supported by employed managing directors and staff. It remains privately held and is not listed on a stock exchange. Its long history includes periods of significant expansion, wartime disruption, post-war reconstruction and later diversification into real estate services and modern construction methods. The Nesseler Grünzig Gruppe is a notable example of a German Mittelstand construction group with deep regional roots and a multi-generational ownership structure.

The history of the Nesseler Grünzig Gruppe begins in the early 20th century in Stolberg, near Aachen. At that time the construction firm of master builder and architect Carl Peltzer (born 1863) was the dominant local builder, responsible for major projects including the reconstruction of the ruined Stolberg Castle, the old Goethe-Gymnasium and the imperial post office. After Peltzer and his brothers took over the shares of partners Moritz Kraus and Henry Walchenbach in the zinc foundry Kraus, Walchenbach & Peltzer in 1908, Peltzer transferred his construction business to the Leipzig-based firm Castner & Hennig, which was also active in the Stolberg area. Castner & Hennig subsequently handled expansion buildings for William Prym GmbH & Co KG and the Villa Waldfriede for the Prym family, designed by architect Gabriel von Seidl. Robert Grünzig first appeared as site manager for these projects. Robert Grünzig (1880–1954) was born in Schönau near Leipzig as the son of a building contractor. He trained as a master builder and joined Castner & Hennig in 1906, first as construction manager and later as authorised signatory. In 1910 he took over the shares of the departing partner Castner as personally liable partner, and the firm was renamed Henning & Grünzig. The business expanded and won significant contracts outside Stolberg. After partner Hennig withdrew in 1918, Grünzig became sole owner and renamed the company Robert Grünzig Bauunternehmen, headquartered on Zweifaller Straße in Stolberg. In the same year he acquired a large brickworks near today's Sittarder Straße in Forst, establishing a first base outside Stolberg. Grünzig benefited from the boom of the Golden Twenties, receiving construction contracts from the Technical University of Aachen and increasingly entering settlement housing construction from 1927. By 1928 the company employed around 1,200 people, a first peak in its history, before the effects of the Great Depression led to layoffs in the construction industry and in Grünzig's firm. Under the leadership of Euskirchen Centre Party politician and Reichstag Vice-President Thomas Esser, Grünzig was called upon to join, alongside Thyssen AG and Mannheimer BBC, as one of three partners in Westmark Industrie GmbH Aachen, founded in 1929. Its sole purpose was to build the coal mine in Faulquemont, Lorraine, as part of German reparations after World War I. Grünzig was responsible for the construction of the plant facilities, the administration building, the associated housing settlements and the entire track systems. For these projects alone Grünzig at times employed more than 900 people. However, both Thomas Esser and the three partners were accused by the rising NSDAP of having received bribes for this construction project. The allegations proved unfounded and the legal proceedings were discontinued. In the early 1930s Grünzig acquired a marble works near today's Eynattener Straße in Aachen and in 1932 another brickworks on Nordstraße in Brand near Aachen. A year later he opened the branch Bauunternehmung Grünzig GmbH on Schießstraße in Düsseldorf, managed from 1937 by his son Hans Grünzig as managing partner. In 1934 Robert Grünzig joined the NSDAP. In 1938 he acquired, for 641,000 Reichsmark together with his son-in-law Ludwig Charlier, the Aachen cloth factory Marx & Auerbach at the corner of Templergraben and Eilfschornsteinstraße. The Jewish previous owner Fritz Marx, who had run the company in the fourth generation, had to sell his factory far below value as part of the Nazi Aryanisation, and after paying the Jewish levy and the Reich Flight Tax from the proceeds, emigrated to the USA in December 1938 almost penniless. The acquired cloth factory was subsequently renamed Grünzig & Charlier and later, after Charlier's departure, Grünzig & Co. After World War II the factory, shut down during the war, was reactivated in 1948. The post-war period saw the company participate in reconstruction efforts in the Aachen region. Over the following decades the group continued to evolve, changing its corporate name and identity several times. It expanded its construction activities across the Rhineland, the Ruhr and the Frankfurt region, and broadened its service portfolio to include project development, planning and real estate operation. In 2003 the group moved its headquarters to Aachen-Brand, and its precast concrete plant is located in Aachen-Forst. The Nesseler Grünzig Gruppe remains a family-owned business, with successive generations of the owning family and employed managers contributing to its development. The group is known for large-scale construction projects for industry, commerce and trade, residential construction including entire neighbourhoods, and public building projects.

• 2003

  Group headquarters moves to Aachen-Brand.

• 1948

  The cloth factory, shut down during the war, is reactivated after World War II.

• 1938

  Grünzig and son-in-law Ludwig Charlier acquire the Aachen cloth factory Marx & Auerbach.

• 1933

  Grünzig opens Bauunternehmung Grünzig GmbH branch in Düsseldorf.

• 1932

  Grünzig acquires a brickworks on Nordstraße in Brand near Aachen.

• 1929

  Grünzig joins Westmark Industrie GmbH Aachen as one of three partners to build a coal mine in Faulquemont, Lorraine.

• 1928

  Company employs around 1,200 people, a first peak in its history.

• 1918

  Partner Hennig withdraws; Grünzig becomes sole owner and renames the company Robert Grünzig Bauunternehmen.

• 1910

  Robert Grünzig takes over the shares of departing partner Castner; firm renamed Henning & Grünzig.

Family-owned German construction and real estate group with over a century of history, focused on large-scale regional projects and integrated services from development to operation.

• Large-scale industrial and commercial construction

• Residential construction and neighbourhood development

• Public building projects

• Project development and planning services

• Real estate operation services

• Precast concrete components

1. 1Nesseler Gruppe – Wikipedia (German)de.wikipedia.org
2. 2Nesseler Grünzig Gruppe – Wikidatawikidata.org
3. 3Nesseler Grünzig Gruppe – Official Websitenesseler.de