Willi Hahn GmbH

    Willi Hahn GmbH, short Wiha, started off in 1939 as a factory for screws and nuts. The company has specialized in producing and procuring customer-specific connectors for various industries. Wiha are distinguished by their high-quality connections in every respect. The innovative and leading manufacturer provides global players in B2B with metal connectors and components which comply with the highest requirements and certification standards.


    • Comprehensive ERP system with approximately 40 different EDI partner integrations
    • Resource planning with proALPHA for overlapping production control
    • One ERP system for all locations with proALPHA Profit Center Accounting
    • Easy and structured entry of material surcharges
    • Integrated document management system
    Willi Hahn GmbH

    Industry: Automotive supplier, Metal Processing

    Sites: Sasbach and Wuppertal/DE

    Producs: Production and procurement of metal connectors and components including consulting at a high technical level (e.g., cold-extruded parts, turned parts, and milled parts) for various industries (like automotive, commercial vehicles, medical technology, traffic engineering, measurement and control technology, and mechanical engineering)

    Revenue: approx. €40M

    Employees: 220


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