Heunisch

What Heunisch does

Heunisch (Gießerei HEUNISCH GmbH) is a German foundry group headquartered in Bad Windsheim, operating a four-facility production network across Germany (Bad Windsheim, Steinach) and the Czech Republic (Krásná, Brno). The group produces castings from four core materials — grey cast iron, nodular (ductile) cast iron, vermicular graphite cast iron (CGI), and aluminum die casting — serving industrial OEM customers in sectors including pressure equipment and maritime applications, as evidenced by its PED, DNV, and Lloyd's Register certifications. The vermicular graphite capability is technically demanding and positions Heunisch in higher-stress applications such as commercial-vehicle and heavy-industrial components.

The company operates an integrated process chain that begins with design consulting and casting-process simulation, extends through in-house tool, mold, and die making, and continues across casting production, heat treatment, CNC machining, coating, technical cleaning, and final assembly. By delivering assembly-ready components rather than raw castings, Heunisch embeds itself in customers' product-development and serial-production workflows, reducing their supplier-management burden. The multi-material portfolio (ferrous and non-ferrous) broadens the addressable application space across automotive, commercial-vehicle, general machinery, and safety-critical industrial end markets.

Heunisch is a privately held GmbH with no public financial disclosure. Its commercial model is B2B contract manufacturing priced on a project-by-project, quote-driven basis, with multi-year serial-production contracts implied by the reference to long-term customer relationships. The dual-jurisdictional footprint (German engineering depth paired with Czech cost-competitive production) supports a cost-optimized labor structure, while the planned 2026 merger of the two Czech subsidiaries signals internal consolidation of the Central European operations rather than geographic expansion.

Name

Heunisch

Legal name

Gießerei HEUNISCH GmbH

Website

https://heunisch-guss.com

Company type

Private

Operating status

Operating

Short description

Heunisch (Gießerei HEUNISCH GmbH) is a German foundry group operating four production facilities in Germany and the Czech Republic, producing iron and aluminum castings with integrated machining and assembly services for industrial OEMs.

Ownership category

akta.pro rank

Headquarters

HQ city

Bad Windsheim

HQ country

Germany

HQ region

Europe

Offices4 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Supply Chain, Infrastructure, Technology or R&D

Pricing tiers

Distribution channels1 record

Marketing channels3 records

Core offering

Heunisch is an industrial foundry that develops and manufactures cast components from four core materials: grey cast iron (Grauguss), nodular cast iron (Sphäroguss), vermicular graphite cast iron (Vermiculargraphitguss), and aluminum die casting (Aluminium-Kokillenguss). The company delivers a complete in-house process chain covering design consultation, casting simulation, tool/die/model making, casting production, heat treatment, CNC machining, coating, technical cleaning, and final assembly—supplying assembly-ready components with defined material properties and high repeatability for industrial serial applications.

Product overview

Heunisch is a foundry (Gießerei) company that develops and manufactures castings from four core materials: Grauguss (grey cast iron), Sphäroguss (nodular cast iron), Vermiculargraphitguss (vermicular graphite cast iron), and Aluminium-Kokillenguss (aluminum die casting). The company offers a comprehensive, integrated service portfolio covering the entire process chain from design consulting and simulation through tool/die/mold making, heat treatment, CNC machining, coating, technical cleaning, and assembly—delivering assembly-ready components with defined material properties and high repeatability for industrial serial applications. They operate across multiple locations including Bad Windsheim, Steinach, Krásná, and Brno.

Differentiator

Problem solved

Functional benefit

Products and services

• Grauguss (Grey Cast Iron) Castings

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Recent moves3 records

Expansion highlights4 records

Direct peers

• Handtmann Group: German light-metal casting specialist (aluminum and magnesium) with integrated CNC machining and assembly for industrial and automotive customers. Closely comparable to Heunisch on the aluminum die-casting side and in vertical integration of value-added services.
• Fritz Winter Eisengießerei GmbH & Co. KG: German iron foundry producing cast components for automotive and industrial applications in gray and nodular cast iron at multi-site scale. Closely comparable to Heunisch in material mix, B2B serial-production model, and German manufacturing footprint.
• Leiber Group GmbH: German iron foundry specializing in gray and nodular cast iron components for industrial and commercial vehicle OEMs. Comparable in iron-casting materials, serial-production B2B orientation, and mid-size European scale.
• Aluminium Rheinfelden GmbH: German aluminum foundry producing light-metal castings and alloys for industrial applications. Comparable to Heunisch specifically on the aluminum casting side of the portfolio, with similar regional DACH focus and B2B industrial customer base.
• Eisenwerk Brühl GmbH: German iron foundry producing cast components for industrial and automotive serial applications. Comparable to Heunisch in its iron-casting focus, B2B industrial customer base, and integrated finishing capabilities.

Broad incumbents

• Voestalpine AG: Austrian steel and metal technology group with foundry and casting operations supplying automotive, railway, and industrial customers. Broad incumbent with overlap in iron-based castings for industrial serial applications, though much larger and more diversified than Heunisch.
• Nemak: Mexican global leader in aluminum die casting, primarily serving automotive powertrain and structural applications. Comparable to Heunisch specifically on the aluminum die-casting line of business, though at a much larger global scale.
• Georg Fischer AG (GF Casting Solutions): Swiss global leader in metal casting solutions offering iron and light-metal castings for industrial, automotive, and aerospace customers. Overlaps with Heunisch on both iron and aluminum casting but operates at materially larger scale across a global footprint.

Regional players

• Martinrea International Inc. Canadian automotive supplier specializing in aluminum die castings and metal-forming components. Comparable to Heunisch on aluminum die casting materials and serial-production B2B model, but primarily serves North American customers.
• Endurance Technologies Limited: Indian aluminum die casting company supplying automotive and industrial customers across two-wheelers, passenger vehicles, and aftermarket. Comparable materials and end-market overlap with Heunisch's aluminum die-casting operations, but Asia-focused and does not compete in Europe.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights5 records

Customer concentration

• LinkedInlinkedin.com/company/gießerei-heunisch-gmbh

Compliance8 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Heunisch