Zambelli Holding Gmbh

What Zambelli Holding Gmbh does

Zambelli Holding GmbH is a privately held, family-owned German industrial group founded in 1957 by Franz Zambelli Sopalù in the Bavarian Forest, currently in third-generation ownership under Marietta Zambelli Sopalù and her children Florentina and Constantin following a 2023 shareholder consolidation. The company operates six business units from nine manufacturing sites across Germany (Grafenau, Stephansposching, Wegscheid), the Czech Republic (České Budějovice, Český Krumlov, Horní Planá), Hungary (Györköny), and Romania (Sfântu Gheorghe), employing more than 1,200 people in roll-forming, laser cutting, punching, welding, and powder-coating operations.

The portfolio spans roof drainage systems (proprietary COLORDUR® color-coated systems, Meister-System, COLORFERR), the building envelope unit (RIB-ROOF Evolution/Speed 500/465 standing-seam metal roofing, Zambelli Siding facade panels, fall protection, solar mounting, green roof, and the HSF Ballast-Tank PV mounting system co-developed with HUBER Solarfix), contract industrial metalworking, shelving systems for libraries/archives/museums (ARthek, Maxithek, mobile shelving), caravan components supplied to European RV OEMs (Hymer, Knaus Tabbert, Carthago, Dethleffs, Bürstner, Niesmann+Bischoff, Concorde), and heating technology (boilers, design fireplaces, boiler casings). Named industrial customers also include Steelcase, Biohort, ÖkoFEN, Alnatura, and Aldi.

The business model is project- and specification-driven B2B, with sales through authorized dealer and trade partner networks, direct industrial accounts, and an online Handwerkersuche installer-locator; pricing is quote-based with multi-year OEM supply contracts. Distribution, technical support, and trade-show presence (BAU, DACH+HOLZ) underpin customer acquisition across DACH and Central/Eastern Europe, and the group has pursued ESG positioning via DGNB Navigator listing and UN Climate Ambition Accelerator enrollment.

Name

Zambelli Holding Gmbh

Legal name

Zambelli Holding GmbH

Website

https://zambelli.com

Company type

Private

Founded year

1957

Operating status

Operating

Short description

Zambelli Holding GmbH is a family-owned German metal manufacturer with 1,200+ employees across four countries, producing roof drainage, building envelope, industrial metalworking, shelving, caravan, and heating systems for industrial OEMs, skilled trades, and public-sector clients.

Ownership category

akta.pro rank

Product category

Metal Building Products and Components Manufacturing

NAICS

Machine Shops (33271), Other Building Material Dealers (44418)

SIC

General Industrial Machinery & Equipment, Nec (3569), Cutlery, Handtools & General Hardware (3420)

akta.pro primary industry

Metal Roofing Systems (IMADAFAB)

akta.pro secondary industry

Frames, Sashes, Mullions & Subframes (IMADAIAH)

Keywords

• Roof drainage systems
• Metal roofing solutions
• Industrial metalworking
• Shelving systems
• Caravan components

Headquarters

HQ city

Grafenau/Haus im Wald

HQ country

Germany

HQ region

Europe

Offices8 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Roof Drainage Systems: Sale of COLORDUR® color-coated roof drainage systems, including gutters, downpipes, and flashing components. Revenue generated from industrial customers, roofing professionals, and sheet metal contractors.
2. Building Envelope Solutions: RIB-ROOF metal roofing systems, facade solutions (Zambelli Siding), and related components. Includes penetration-free fastening systems for safe and cost-effective installation.
3. Industrial Metalworking: Contract manufacturing of sheet metal parts, housings, and assemblies for industrial customers. Services include co-engineering, prototyping, and serial production from cutting and forming to powder coating and assembly.
4. Shelving Systems: Custom shelving and storage systems for libraries, archives, museums, offices, and warehouses. Systems configured as stationary or mobile units with manual, mechanical, or electric drive systems.
5. Caravan Components: System supplier of components and assemblies for motorhomes and caravans including doors, access hatches, structural elements. Supports customers from development through serial production.
6. Heating Technology: Manufacturing of water-heated boilers, design fireplaces, fireplace inserts, boiler casings, and accessories. High vertical integration from metalworking to wet-paint finishing.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels6 records

Core offering

Zambelli develops, manufactures, and sells metal-based systems and components across six business units: roof drainage systems (gutters, downpipes, flashing), building envelope products (standing seam metal roofing, facade panels), industrial metalworking (contract sheet metal parts, housings, and assemblies), shelving systems for libraries/archives/museums/warehouses, caravan components (doors, storage flaps, structural elements for motorhomes), and heating technology (boilers, design stoves, fireplace inserts, boiler casings). The group serves industrial customers, skilled trades, and public-sector clients across Europe through direct sales and an extensive dealer/partner network.

Product overview

Zambelli Holding GmbH is a metal-based solutions company with six distinct business units operating under a unified corporate structure. The portfolio includes: (1) Roof Drainage with COLORDUR color-coated systems, Meister-System, and COLORFERR; (2) Building Envelope featuring RIB-ROOF standing seam metal roofing systems (Evolution, Speed 500, 465), Zambelli Siding facade panels, and accessory products including Thermo-Z distance profiles, solar mounting systems, green roof systems, and fall protection; (3) Industrial Metalworking providing sheet metal fabrication, co-engineering, and serial production of components and assemblies; (4) Shelving Systems for libraries, archives, museums, and offices including ARthek, Maxithek, and mobile shelving solutions; (5) Caravaning manufacturing doors, storage flaps, structural elements, and accessories for recreational vehicles; and (6) Heating Technology producing water-bearing heating boilers, design stoves, and boiler enclosures. The company operates manufacturing facilities in Germany (Grafenau, Stephansposching, Wegscheid), Czech Republic (Budweis, Krumau, Horní Planá), Hungary (Györköny), and Romania (Sf. Gheorghe).

Differentiator

Problem solved

Functional benefit

Products and services

• Zambelli COLORDUR Roof Drainage System Color-coated roof drainage system with sheet metal and coils, allowing all flashing components to be manufactured from the same material and perfectly matched to the roof drainage system. Targeted at roofing professionals, sheet metal contractors, and building envelope installers.
• Zambelli Meister-System Roof Drainage Quality-assured roof drainage system with 3-point connection for easy and secure installation, featuring the Zambelli compass rose quality seal. Targeted at roofing professionals and sheet metal contractors.
• RIB-ROOF Evolution Metal Roofing System Standing seam metal roofing system for projects of all sizes, from renovation to new construction, including green roofs and photovoltaic applications, with penetration-free fastening systems. Targeted at architects, planners, and contractors.
• RIB-ROOF Speed 500 Metal Roofing System Standing seam metal roofing system variant designed for fast installation in commercial and industrial applications.
• RIB-ROOF 465 Metal Roofing System Standing seam metal roofing system with 465 mm module width for efficient material usage.
• Zambelli Siding Facade Panels Concealed-fix metal facade panels with various widths, colors, and surface finishes, designed for suspended, ventilated facades in residential, commercial and industrial construction.
• Industrial Metalworking (Contract Manufacturing) Contract manufacturing of sheet metal parts, housings, and assemblies combining co-engineering, prototyping, and serial production for industrial customers. Covers the entire process chain from cutting and forming to powder coating and assembly. Targeted at industrial OEMs.
• Zambelli Shelving Systems Shelving and storage systems for libraries, archives, museums, offices, and warehouses, configurable as stationary or mobile units with manual, mechanical, or electric drive systems. Targeted at cultural and institutional buyers.
• Caravan and Motorhome Components System-supplier of components and assemblies for motorhomes and caravans, including doors, access hatches, structural elements, and storage compartment flaps. Supports customers from development through serial production. Targeted at RV manufacturers.
• Heating Technology (Boilers, Stoves, Casings) Water-bearing heating boilers, design fireplaces, fireplace inserts, boiler casings, and accessories manufactured with high vertical integration from metalworking to wet-paint finishing. Targeted at heating equipment manufacturers and OEMs.
• HSF Ballast-Tank (PV Mounting System) 2-in-1 system combining secure elevation and stable ballast for photovoltaic modules on flat roofs using a pressure-free HDPE plastic tank that protects the roof membrane. Targeted at solar installers and commercial property owners.
• Sandwich Panel Gutter Hook System Modular gutter hook system for sandwich panel roofs with Plascoat coating for corrosion protection and weather resistance, compatible with common trapezoidal sandwich profiles, supported by an online configurator for custom specifications.
• Square Water Collection Box System Water collection box system available in square and cubic design variants for roof drainage applications, including elegant connection of base plate and mantle in centric and eccentric versions.

Quantifiable outcome

• Nominated for 'Product of the Year 2025' by dachbaumagazin for HSF Ballast-Tank innovation

Named customers18 records

Segments6 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Five partnerships are on record, tiered core and minor.

• HUBER Solarfix GmbHcoreStrategic or Co-development Partner · 26 August 2024Partnership for HSF Ballast-Tank - an innovative mounting system for PV modules on flat roofs. The HSF Ballast-Tank combines East-West mounting and ballasting in a pressure-free HDPE tank system. Huber Solarfix supplies solar mounting expertise for the joint product offering.
• EurobaustoffcoreChannel Partner/ Reseller/ DistributorMajor European building materials retailer. Zambelli products distributed through Eurobaustoff's trade network. Recognized as 'Top Lieferant' (Top Supplier) for 2023.
• Eurobaustoff FachgruppeminorChannel Partner/ Reseller/ DistributorBuilding materials cooperative and purchasing group serving trade professionals.
• Climate Ambition Accelerator (UN Global Compact)coreStrategic or Co-development PartnerZambelli joined the Climate Ambition Accelerator in 2024, a global program led by the United Nations Global Compact that supports companies in reaching their climate targets and accelerating measures to reduce greenhouse gas emissions.
• HC Banes Motor České BudějoviceminorOthersIce hockey club sponsorship by Zambelli-technik, spol. s r. o. in the Czech Republic. Club plays in the Czech extraliga.

Scale indicators5 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Lindab: Lindab is a European direct competitor offering metal roofing, façade, and rainwater drainage systems, with comparable product lines (standing-seam profiles, gutter systems) and similar mid-market positioning across Northern and Central Europe.
• Dometic Group: Dometic is a leading supplier of components and systems for caravans and motorhomes, directly comparable to Zambelli's caravaning business unit which supplies doors, access hatches, and structural elements to the same European RV OEMs.
• NIBE Industrier: NIBE manufactures heating products and is one of Europe's leading producers of boilers, heat pumps, and related climate solutions. It competes directly with Zambelli's heating-technology unit which produces water-bearing boilers and fireplace inserts.

Broad incumbents

• Kingspan Group: Kingspan is a global building envelope leader offering insulated panels, roofing, and façade systems. It overlaps Zambelli's building-envelope unit but operates at much larger scale with a broader portfolio and global footprint.
• Voestalpine:
• BlueScope Steel: BlueScope is a global steel manufacturer with major coated-metal roofing and building-products operations. It competes broadly with Zambelli's metal roofing and roof drainage business, especially in commercial and industrial construction projects.

Emerging players

• Thule Group: Thule Group supplies outdoor and RV-related components including awnings, bike racks, and towing solutions. While not a direct metal-door competitor, it serves the same European RV customer base and adjacent outdoor/recreation categories.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 records

Subsidiaries6 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 Zambelli Holding Gmbh