What Grunewald does

Grunewald GmbH & Co. KG is a family-owned German industrial manufacturer founded in 1963 and headquartered in Bocholt, Germany, with a second production site operated through the wholly-owned subsidiary Grunewald Tooling GmbH & Co. KG in Irxleben. The company operates three integrated product lines: casting (state-of-the-art low-pressure sand casting of aluminum and iron alloys, complemented by in-house 3D sand printing for complex geometries); toolmaking for automotive and aerospace (lay-up, curing, RTM, punching, foaming, and molding tools, jigs, and fixtures, with 5-axis machining of components up to 14m x 3.5m x 3m); and special machine construction (robot-assisted production cells and ultrasonic welding systems). All steps from CAD design through model making, casting, machining, and finishing are combined under one roof, supported by 17 CAD experts embedded directly in production.

Grunewald sells exclusively through a B2B enterprise field sales motion targeting manufacturers in aerospace, automotive, and general industrial segments, with project-based custom pricing, no standardized product catalog, and payment terms of 30 days ex works Bocholt. Marketing is minimal, relying on the corporate website (which now includes an AI assistant for service inquiries), published case studies, and direct contact channels. The company is privately held by the Grunewald family (Ulrich and Philipp Grunewald as authorized representatives, Philipp serving as CEO), with no disclosed external funding rounds, no parent company, and no published revenue figures. A relationship with an Investitionsbank suggests engagement with external financing partners for operational or growth purposes.

Name

Grunewald

Legal name

Grunewald GmbH & Co. KG

Website

https://grunewald.de

Company type

Private

Founded year

1963

Operating status

Operating

Headcount range

51–100 employees

Short description

Grunewald is a family-owned German manufacturer specializing in custom low-pressure sand casting, large-format toolmaking, and special machine construction for aerospace and automotive customers, operating from two integrated production sites in Bocholt and Irxleben.

Ownership category

akta.pro rank

Product category

Industrial Manufacturing

NAICS

Secondary Smelting and Alloying of Aluminum (331314), Cutting Tool and Machine Tool Accessory Manufacturing (333515), Metalworking Machinery Manufacturing (33351)

SIC

Nonferrous Foundries (Castings) (3360), Metalworkg Machinery & Equipment (3540)

akta.pro primary industry

Aluminum Casting & Ingot/Billet/Slab Production (IMAKACAE)

akta.pro secondary industry

Metal Cutting Tools, Tooling & Workholding (Cutters, Inserts, Chucks, Fixtures) (IMAHADAB)

Keywords

• Custom sand casting
• Toolmaking services
• Special machine construction
• 5-axis CNC machining
• 3D sand printing

Headquarters

HQ city

Bocholt

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Custom manufacturing services: Project-based custom manufacturing including toolmaking, casting, and special machine construction. Services are tailored to individual client requirements with pricing based on project complexity, materials, and specifications.
2. Series production: Small and medium series production of cast components and machined parts for automotive and aerospace applications
3. Rapid prototyping: Fast and cost-efficient prototype production to realize innovative ideas quickly and economically

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

Grunewald manufactures custom aluminum and iron sand castings, tools for automotive and aerospace applications, and special machines from two production sites in Bocholt and Irxleben, Germany. Integrated capabilities span CAD design, 3D sand printing, low-pressure sand casting, 5-axis CNC machining up to 14m component length, robot-assisted production cells, and ultrasonic welding systems. The company serves as a one-stop shop from concept to finished part, working with manufacturers on prototyping through series production.

Product overview

Grunewald is a manufacturing technology company offering three core product lines: Casting (aluminum and iron sand casting with 3D sand printing capabilities), Toolmaking (for automotive and aircraft construction), and Special Machine Construction (custom machines including robot-assisted production cells and ultrasonic welding systems). The company operates from two locations in Bocholt and Irxleben, Germany, using state-of-the-art low-pressure sand casting technology and 5-axis machining centers. All steps from CAD design to model making and finishing are combined under one roof in Bocholt, with production capabilities for workpieces up to 14 meters in length.

Differentiator

Problem solved

Functional benefit

Products and services

• Casting (Guss) Aluminum and iron sand casting services using state-of-the-art low-pressure sand casting technology for industrial customers in aerospace, automotive, and general manufacturing. Includes rapid prototyping, small and medium-sized series production, and complete casting including straightening and qualification.
• Toolmaking (Werkzeugbau) High-quality tool manufacturing for automotive and aircraft construction. Produces lay-up tools, curing tools, RTM tools, jigs, fixtures, punching tools, foaming tools, molding tools, milling devices, and measuring devices. Capable of machining components up to 14m length, 3.5m width, and 3m height.
• Special Machine Construction (Sondermaschinenbau) Custom special machine development combining precision craftsmanship with state-of-the-art technology. Products are individually tailored to specific customer requirements and include robot-assisted production cells and ultrasonic welding systems.
• Robot-assisted Production Cells Flexible robot-assisted production cells offering maximum efficiency and precision, optimized for various production requirements with state-of-the-art technology for reliable and efficient manufacturing. Sold to industrial manufacturers.
• Ultrasonic Welding Systems State-of-the-art ultrasonic welding systems designed to create durable and high-quality joints for various materials and applications, ensuring optimum process reliability. Sold to industrial manufacturers requiring precision joining.

Quantifiable outcome

• Components up to 14 meters in length can be machined
• +2 more outcomes

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Gienanth GmbH: German nonferrous and iron foundry serving automotive and industrial customers with sand casting, comparable to Grunewald's casting operations and target verticals. Both combine traditional foundry methods with modern CNC machining for OEM customers.
• Feintool Group: Swiss-German precision parts and tooling manufacturer combining fineblanking, tooling, and system solutions for automotive and industrial OEMs, comparable in integrated tooling-plus-parts manufacturing and aerospace/automotive end markets.
• Voit Automotive GmbH: German contract manufacturer specializing in cast iron and aluminum components for automotive powertrain and chassis, directly comparable to Grunewald's sand casting and machining integration for OEM customers.
• Eisenwerk Würth GmbH: German foundry producing iron and steel castings for automotive, commercial vehicle, and industrial customers — a peer in casting and machined component supply with similar German Mittelstand scale.
• Kurtz GmbH: German special machine builder and casting producer for automotive and industrial customers, directly comparable to Grunewald's Sondermaschinenbau and casting product lines and German Mittelstand profile.
• Handtmann Albert Metallgusstechnik: German light-metal casting specialist producing aluminum and magnesium components for automotive, comparable to Grunewald's low-pressure aluminum sand casting capability and end-market exposure.
• Honsel GmbH: German aluminum die-casting and machining supplier to automotive OEMs, closely comparable in aluminum casting processes and automotive customer base, though with greater die-casting focus than Grunewald's sand casting.

Broad incumbents

• GF Casting Solutions: Division of Georg Fischer offering iron, steel, and aluminum castings globally for automotive and industrial customers — a broader incumbent in the same casting and machined-component space Grunewald serves.
• TRUMPF SE + Co. KG: Large German machine tool and laser-systems incumbent serving metalworking customers globally; while much broader than Grunewald, TRUMPF represents the scaled reference point for machine tools and metalworking automation in the same ecosystem.

Emerging players

• ExOne (now part of Desktop Metal): Provider of binder jetting sand 3D printing systems for foundries and tooling; relevant because Grunewald's 3D sand printing capability competes with and is enabled by ExOne-class technology for foundry molds.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/163157150414402

Revenue estimate

Valuation estimate

Number of profiles

Profiles12 records

Subsidiaries1 record

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 Grunewald