HELLWIG Boats – Built by GCB German Craft Boat AG

GCB German Craft Boat AG is the exclusive manufacturer of premium HELLWIG motorboats. At our site on the Lower Rhine, we build all HELLWIG models using advanced GRP technology, our own carpentry, upholstery workshop, and engine shop – 100% Made in Germany.

Our services for HELLWIG:

• Design & production of all GRP hulls and components

• Custom interior outfitting from our in-house carpentry

• Tailor-made upholstery, covers & canvas work

• Professional final assembly & engine installation

• Final inspection & quality assurance

HELLWIG stands for generations of German boatbuilding tradition – we ensure every boat lives up to that name. 

• Turn-Key solutions at Erkelenz

• Product Development

• Currently in build: 9m motor boat

Our Services – White-Label Manufacturing with Character and Expertise

As a specialized GRP shipyard with decades of experience and in-house carpentry, upholstery workshop, engine shop, and engineering office, we offer a unique range of services – all under one roof, all from a single source. Whether for prototype construction, serial production, or special solutions, we realize your brand with quality and precision – discreetly, reliably, and in partnership. Our core expertise lies in motorboats up to 12 meters in length, produced at our site in the Lower Rhine region of Germany.

Our core competency is the processing of glass-reinforced plastic (GRP) – from design to the finished product. We offer:

• Mold & Tool Making
  Development and construction of negative and positive molds – even for complex geometries.

• Hand Lay-Up, Vacuum Infusion & RTM
  We master various manufacturing methods for optimal material processing – depending on requirements for weight, stability, and quantity.

• Prototype & Serial Production
  From single parts to small batches – reliable, precise, and with consistent high quality.

• Surface Finishing & Painting
  Smooth visible surfaces or structured functional coatings – we deliver fully finished components.

Our integrated sewing workshop complements our GRP production – ideal for textile components, protective covers, or upholstery:

• Custom Upholstery Solutions (Interior & Exterior)
  Marine-grade, UV-resistant, and waterproof materials for demanding environments.

• Canvas Covers, Awnings & Protective Tarps
  Made-to-measure textile products based on CAD data or original measurements.

• Interior Textiles & Enhancement
  Function meets design – harmonized with your overall product.

Our carpenters create tailored solutions using premium materials:

• Interior Fitting for Boats & Special Vehicles
  Lightweight construction, marine-ready installations, high-quality finishes.

• Custom Furniture Manufacturing
  For nautical and mobile applications – functional, durable, and elegant.

• Processing of Marine Materials
  Woods, laminates, coated lightweight panels – precisely crafted and cleanly installed.

Our in-house engineering office supports you in every phase of your product – with technical know-how and modern tools:

• Design & 3D CAD Modeling
  From concept to finished component – including FEM analysis and technical drawings.

• Product Development & Prototyping
  Feasibility, design, and function – implemented iteratively and hands-on.

• Technical Documentation & Certification Support
  CE compliance, classification requirements, and drawing packages.

Our specialty: We manufacture for brand owners, start-ups, and established OEMs – discreetly in the background, with complete manufacturing depth.

• Confidentiality & Brand Protection
  We remain completely invisible if desired – your brand is always front and center.

• Flexibility & Agility
  Short communication paths, fast response times, streamlined processes.

• Quality “Made in Germany”
  Craftsmanship, engineering, and precision – united under one roof.

We work with renowned clients across the following sectors:

• Boat and Yacht Construction

• Caravan & Recreational Vehicle Industry

• Leisure & Specialty Vehicles

• Industrial Equipment & Custom Enclosures

• Interior Fittings & Architectural Elements