Gaulhofer Manufaktur GmbH

What Gaulhofer Manufaktur GmbH does

Gaulhofer Manufaktur GmbH is an Austrian specialty manufacturer of bespoke wooden windows for heritage-protected (denkmalgeschützte) buildings, founded in 1888 as the oldest carpentry workshop in Styria and headquartered in Jagerberg, Steiermark. The company operates a single integrated production facility staffed by approximately 50 specialists in carpentry, painting, and glass processing, producing or restoring up to 1,500 windows per year. Its portfolio centers on Kastenfenster (box windows) — the Wiener Kastenfenster LEOPOLD and the Grazer Kastenfenster JOSEF — together with the HISTO line of historicizing single-pane windows (SOPHIE 58, LENA 68, ALBERT 78) and the Kittfalzfenster JOHANNES, all built from PEFC-certified regional timber (spruce, larch, oak, pine) with Plugtec corner connections and 3-layer surface coatings.

The flagship innovation is the proprietary EGON-Sanierungsverfahren, which preserves the historical outer pane of a box window while adding a new inner high-performance layer, achieving Uw-values of 0.98–1.1 W/m²K. The company manages the full project lifecycle for heritage clients — from inspection through coordination with the Bundesdenkmalamt and final approval — and offers a dedicated Denkmalschutz-Beratung (heritage conservation consulting) service.

Commercially, Gaulhofer sells primarily through a consultative, direct-sales model targeting private homeowners of older buildings, commercial clients (hotels, cultural institutions), and government/heritage authorities. Distribution is by appointment-only showrooms in Vienna (cowerk Wien) and Munich (DesignWerkschau), supported by regional Manufaktur-Fachpartner specialists. The company is privately held under managing directors Andrea Dolleschall (commercial) and Christian Tippelreither (operations), is associated with the AustroHolding corporate group, and operates across Austria, Germany, Slovenia, the Czech Republic, and Italy. Pricing is bespoke, quote-based, and not publicly disclosed, with revenue tied to project-based multi-year contracts.

Name

Gaulhofer Manufaktur GmbH

Legal name

Gaulhofer Manufaktur GmbH

Website

https://gaulhofer-manufaktur.com

Company type

Private

Founded year

1888

Operating status

Operating

Headcount range

11–50 employees

Short description

Gaulhofer Manufaktur GmbH is an Austrian bespoke wooden window manufacturer founded in 1888, specializing in Kastenfenster, historicizing single-pane windows, and proprietary EGON restoration systems for heritage-protected buildings across Austria, Germany, and select Central European markets.

Ownership category

akta.pro rank

Product category

Heritage Wooden Window Manufacturing

NAICS

Wood Window and Door Manufacturing (321911)

SIC

Millwood, Veneer, Plywood, & Structural Wood Members (2430)

akta.pro primary industry

Custom Window & Door Fabrication & Replacement (HSAPAJAI)

Keywords

• Heritage window manufacturing
• Wooden box windows
• Monument protection windows
• Custom window restoration
• Historic window fabrication

Headquarters

HQ city

Jagerberg

HQ country

Austria

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Custom Window Manufacturing and Restoration: Gaulhofer MANUFAKTUR generates revenue through the custom manufacture and restoration of wooden windows and doors, primarily for heritage-listed buildings. Products are bespoke, made-to-order based on individual project specifications. The company also provides installation and consulting services related to heritage conservation projects.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

Gaulhofer Manufaktur GmbH custom-manufactures and restores wooden windows, with a focus on Kastenfenster (box windows) and historical window systems for heritage-protected buildings. Products are bespoke, made-to-order using regionally sourced Austrian timber, and include proprietary restoration technology (EGON-System) that preserves historical exteriors while improving thermal and acoustic performance. The company handles the entire project lifecycle, from initial inspection and consultation through coordination with monument protection authorities and final installation, producing up to 1,500 windows per year at its Jagerberg facility.

Product overview

Gaulhofer MANUFAKTUR is a specialty window and door manufacturer founded in 1888, producing approximately 1,500 windows annually. The product portfolio centers on Kastenfenster (box windows) — the Wiener Kastenfenster LEOPOLD and Grazer Kastenfenster JOSEF — and Historische Fenster (historical windows) including the Kittfalzfenster JOHANNES and Einfachfenster HISTO (SOPHIE 58, LENA 68, ALBERT 78). The proprietary EGON-System enables renovation of existing box windows while preserving the historical exterior. All products are manufactured in Jagerberg, Styria using traditional craftsmanship combined with modern technical standards, primarily serving heritage-protected (denkmalgeschützte) buildings in Austria, Germany, and neighboring countries.

Differentiator

Problem solved

Functional benefit

Brands

• EGON-System: Proprietary window renovation system that preserves the historical outer pane while adding a new high-performance inner window layer, combining traditional box window construction with modern technology for energy efficiency and soundproofing.
• LEOPOLD
• JOSEF
• HISTO

Products and services

• Wiener Kastenfenster LEOPOLD Traditional Viennese box window with two window planes that open inward, allowing shutters or blinds to be mounted on the facade. Handcrafted from Austrian woods (spruce, larch, pine, oak) with Uw-values of 0.98 to 1.09 W/m²K and air-cushion construction for thermal and acoustic insulation. Designed for heritage-protected and historic buildings in Austria, Germany and neighboring markets.
• Grazer Kastenfenster JOSEF Graz-style box window with counter-opening sashes (outer sashes open outward, inner sashes open inward) and visible hardware on the facade. Features continuous solid wood weather sills, closed butt joints, and double window planes with air cushion. Uw-values between 1.03 and 1.15 W/m²K. Handcrafted from Austrian woods for heritage and historic building applications.
• Kittfalzfenster HISTO-JOHANNES Traditional putty-miter (Kittfalz) window combining historical design with modern technology. Sight widths of 56-105 mm based on historical models, with 2-fold or optional 3-fold glazing up to 38 mm (Ug 1.0 W/m²K), two continuous TPE sealing levels, and available wood, sheet metal or aluminum weather sills. U-value of 1.0 W/m²K. Designed for denkmalgeschützte buildings.
• Einfachfenster HISTO (SOPHIE 58, LENA 68, ALBERT 78) Historicizing single-window systems in three construction depths (SOPHIE 58mm, LENA 68mm, ALBERT 78mm) combining authentic historical appearance with modern 2-fold or 3-fold glazing. Uw-values between 1.0 and 1.2 W/m²K. Features narrow sight widths for maximum light incidence, traditional glazing bar construction, and two sealing levels. Ideal for denkmalgeschützte buildings.
• EGON-System (proprietary window renovation system) Proprietary window renovation system that preserves the historical outer pane of an existing Kastenfenster while installing a new high-performance inner window layer with air gap for thermal and acoustic insulation. Features 52mm sash depth, 48mm frame, Plugtec corner connections, 2-fold or optional 3-fold glazing, 3-layer surface coating, and Uw-values of 0.98-1.1 W/m²K. Designed for denkmalgerechte renovation of existing historic windows.
• EGON-Sanierungsverfahren (Window Renovation Service) Complete heritage window renovation service using the proprietary EGON system, covering inspection and consultation, repair and restoration, sealing installation for energy efficiency, weather protection, glass work for thermal and acoustic improvement, and master-quality painting. Targeted at private homeowners and commercial clients with monument-protected or historic buildings.
• Denkmalschutz-Beratung (Heritage Conservation Services) Specialized services for heritage-protected buildings including consultation and assessment, coordination with monument protection authorities (Denkmalbehörden), restoration or faithful replica production, and custom manufacturing for business partners. Provides full support from planning through approval. Designed for building owners, architects and institutions working on Denkmalschutz projects.

Quantifiable outcome

• Up to 1,500 windows manufactured or restored annually
• +3 more outcomes

Named customers8 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

One partnership is on record.

• AustroHoldingminorOthersAustroHolding is referenced through the company's careers page hosted on SmartRecruiters, indicating the Gaulhofer MANUFAKTUR operates as part of or in connection with the AustroHolding group. The precise nature of the corporate relationship is not further detailed.

Scale indicators5 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Internorm International GmbH: Largest Austrian window manufacturer and parent AustroHolding group affiliate to Gaulhofer Manufaktur. Overlaps in offering and customer base but operates at industrial scale across wood/aluminum/uPVC rather than a heritage-specialist niche.
• Hörmann KG: Major German building envelope manufacturer covering doors, frames, and increasingly windows. Broadly comparable on building-envelope solutions for new and renovation projects, but not specialized in bespoke heritage fenestration.

Direct peers

• Finstral AG: South Tyrolean premium window manufacturer offering wood, wood-aluminum, and PVC windows with strong design and energy-efficiency orientation. Comparable as an Alpine-region premium wooden window specialist with overlapping end-markets across Austria, Germany, and Italy.
• Unilux GmbH: German premium wooden and wood-aluminum window manufacturer serving high-end residential and renovation markets. Comparable as a DACH custom wooden window producer competing for similar premium and restoration projects.
• Kneer GmbH Südfenster: German premium wooden window and facade manufacturer with heritage and high-end residential focus. Comparable as a custom wooden window producer serving DACH residential and heritage projects.
• Josko Fenster und Türen GmbH: Austrian premium manufacturer of wooden and wood/aluminum windows and doors with a strong DACH presence. Directly comparable as a custom-made premium wooden window specialist serving the same high-end residential and heritage-adjacent segments.
• WERU AG: German manufacturer specializing in premium wooden/aluminum windows for energy-efficient and historic building renovation. Directly comparable as a German heritage- and energy-retrofit focused wooden window producer.
• Fink Fenster GmbH: Bavarian / South German manufacturer of wooden and wood-aluminum heritage and energy-efficient windows. Closely comparable on heritage restoration and regional DACH craftsmanship positioning.

Emerging players

• Erb Holzmanufaktur GmbH: Smaller specialist German wooden window and joinery manufacturer serving historic residential renovation. Comparable as a niche artisanal competitor for heritage and Altbau restoration projects in the DACH region.

Others

• Velux A/S: World leader in roof windows and skylights. Not a direct competitor in facade heritage windows, but operates in the same broader 'premium European window' ecosystem and adjacent energy-renovation conversation.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

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Revenue estimate

Valuation estimate

Number of profiles

Profiles5 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 Gaulhofer Manufaktur GmbH