Skip to content
NEW: CREATE AN AI-ASSISTED TENDER IN 2 MINUTES — TRY IT FREE
Back to search

Hamburg-based family holding with chemical distribution (Nordmann) and plastics processing (ROWA Group).

GN

Georg Nordmann Holding Aktiengesellschaft

Hamburg · 38 subsidiaries in 25 countries (Europe, Asia, North America)New on Amplifa

1912Founding of the trading house Nordmann, Rassmann
1958Founding of ROWA GmbH
2003Founding of the holding
ca. 944 (2025)Employees
ca. 650 Mio. € (2025)Group revenue

About Georg Nordmann Holding

Georg Nordmann Holding Aktiengesellschaft (GNH) is a family-owned Hamburg-based corporate group consisting of the strategic management holding and the two sub-groups Nordmann, Rassmann GmbH (NORDMANN) and Rowa Group Holding GmbH (ROWA GROUP). As an international chemical distribution group, NORDMANN distributes natural and chemical raw materials, additives and specialty chemicals and supplies various industries in Europe, Asia and North America. With more than 60 years of experience in the plastics processing industry, the ROWA GROUP develops polymeric materials and tailored product solutions. These include engineering plastics and blends (Romira GmbH), masterbatch (Rowa Masterbatch GmbH), coatings (Rowa Lack GmbH) and liquid colors and additives (Rowasol GmbH). In 2025, the group generated revenue of around 650 million euros with approximately 944 employees and is represented with 38 subsidiaries in 25 countries. The holding is based at Kajen 2 in Hamburg.

Site
Hamburg
Processes
Manufacture of engineering plastics and blends (Romira GmbH), Production of masterbatch (Rowa Masterbatch GmbH), Production of colors and additives in liquid form (Rowasol GmbH), Coating production (Rowa Lack GmbH), Chemical distribution (raw materials, additives, specialty chemicals), Development of polymer materials and tailored product solutions, Strategic management services
Materials
Natural raw rubber, Polymer materials, Engineering plastics, Blends, Masterbatch
Employees
ca. 944 (2025)
Industries
Chemical distribution, Plastics processing, Chemical production, general asset management
  1. 01

    Chemical distribution (raw materials, additives, specialty chemicals)

  2. 02

    Development of polymer materials

  3. 03

    Manufacture of engineering plastics and blends

  4. 04

    Masterbatch production

  5. 05

    Coating and liquid color/additive production

Materials & Processes

Polymere

Polymer materials

Foundation of the material development activities of the ROWA GROUP.

TK

Engineering plastics

Manufactured by Romira GmbH for technical applications.

Blends

Blends

Plastic blends, manufactured by Romira GmbH.

MB

Masterbatch

Concentrates for coloring and modifying plastics (Rowa Masterbatch GmbH).

Kautschuk

Natural raw rubber

Historical trading commodity of the trading house Nordmann, Rassmann (until 2010).

Locations

Hamburg

DE

Group headquarters / Strategic management holding

Industries

Chemical distributionPlastics processingChemical productiongeneral asset management

Processes & technical limits

ProcessesToleranceMax. partWeightLot sizeMaterials
Manufacture of engineering plastics and blends (Romira GmbH)Plastics––––Engineering plastics, Blends
Production of masterbatch (Rowa Masterbatch GmbH)Plastics––––Polymer materials
Production of colors and additives in liquid form (Rowasol GmbH)Surface––––Liquid colors, Additives
Coating production (Rowa Lack GmbH)Surface–––––

Additional services

Chemical distribution (raw materials, additives, specialty chemicals)Development of polymer materials and tailored product solutionsStrategic management services

History

  1. 1912

    Founding of the trading house Nordmann, Rassmann by two Hamburg merchants; international trade in natural rubber (until 2010)

  2. 1915

    Start of cocoa trading (until 1982)

  3. 1958

    Founding of ROWA GmbH as a rubber processing company

  4. 1969

    Expansion of the product range and opening of branches, among others in the USA, France, Korea and Beijing

  5. 1979

    Acquisition of Tramaco GmbH; founding/acquisition of Romira GmbH (engineering plastics) and Rowasol GmbH (liquid colors/additives)

  6. 1991

    Expansion of branches in Central and Eastern Europe, founding of various subsidiaries (until 2007)

  7. 2003

    Founding of Georg Nordmann Holding Aktiengesellschaft as the parent company

  8. 2010

    Restructuring into Rowa Group Holding GmbH as the umbrella company

Personalised demo

Ready to see Amplifa Marketplace in action?

From a structured request to the right manufacturing partner: AI-assisted matching, verified suppliers and transparent metrics — in one place for industrial companies across the DACH region.

Request a demo