Wirus Fenster

What Wirus Fenster does

Wirus Fenster is a privately held German manufacturer of fenestration products, headquartered in Rietberg, Germany. Founded in 1979, the company produces windows, sliding doors, and front and side entrance doors for the building-products market. With a headcount in the 101-250 range, it operates as a mid-sized regional manufacturer within Germany's fragmented window and door industry.

The company's product portfolio spans the core residential and light-commercial fenestration categories — fixed and operable windows, sliding door systems, and front/side entrance doors — indicating a vertically integrated fabrication model rather than a specialty/niche positioning. No proprietary technology platform, software stack, or digital product surface is disclosed in the available data, and the company website (wirus-fenster.de) was inaccessible at the time of data collection, returning only a loading/verification page.

The revenue model is consistent with a traditional B2B/B2C building-products manufacturer — sale of fabricated fenestration units through trade and direct channels — but no specifics on pricing structure, dealer network composition, geographic markets served, or customer segment mix are available in the input data. No funding rounds, parent company, M&A activity, leadership disclosures, or strategic transactions are reported. Operating geographies, partnership/alliance data, certifications, awards, and ownership structure are also unverified, constituting a significant data gap for due diligence purposes.

Name

Wirus Fenster

Website

https://wirus-fenster.de

Company type

Private

Founded year

1979

Headcount range

101–250 employees

Ownership category

akta.pro rank

Product category

Windows and Doors Manufacturing

NAICS

Wood Window and Door Manufacturing (321911), Metal Window and Door Manufacturing (332321)

SIC

Metal Doors, Sash, Frames, Moldings & Trim (3442)

akta.pro primary industry

Doors, Windows & Millwork Hardware Retail (Locks, Hinges, Handles) (CRAIADAJ)

Keywords

• Window manufacturing
• Entrance doors
• Sliding doors
• PVC windows
• Building envelope products

Headquarters

HQ city

Rietberg

HQ country

Germany

HQ region

Europe

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Marketing or Sales

Core offering

Wirus Fenster is a German manufacturer that produces windows as well as sliding, front, and side entrance doors. The company has been operating since 1979, based in Rietberg, Germany, with 101–250 employees. Its core business is the fabrication and sale of physical window and door products for the building and construction market.

Differentiator

Problem solved

Functional benefit

Products and services

• Windows Factory-manufactured windows for residential and commercial buildings, produced by Wirus Fenster in Rietberg, Germany.
• Sliding Doors Sliding door systems produced by Wirus Fenster for residential and commercial building applications.
• Front Entrance Doors Factory-manufactured front entrance doors for residential and light commercial buildings.
• Side Entrance Doors Side entrance doors produced by Wirus Fenster for secondary building entrances.

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Direct peers

• GEALAN: GEALAN is a European manufacturer of uPVC window and door profiles, part of the VEKA Group. It is a direct materials-level competitor whose finished products overlap with Wirus Fenster's offering.
• Salamander Window & Door Systems: Salamander produces uPVC window and door systems for the European market. Comparable to Wirus Fenster in product category, materials, and dealer-driven go-to-market.
• Solarlux: Solarlux is a German manufacturer of sliding/folding glass doors and window systems. Particularly comparable to Wirus Fenster on the sliding door product line and premium residential/commercial projects.
• KÖMMERLING (Profine Group): KÖMMERLING, part of Profine, is a leading European uPVC window and door profile brand. It is comparable to Wirus Fenster as a German-rooted supplier competing in the same European window/door value chain.
• aluplast: aluplast is a German-headquartered uPVC window and door system manufacturer serving European markets. Closely comparable in product mix, customer base (window fabricators and dealers), and Mittelstand positioning to Wirus Fenster.
• Internorm: Internorm is a European manufacturer of windows and front doors (uPVC, wood, aluminium) headquartered in Austria with broad distribution across Germany. Comparable on product breadth (windows + entrance doors) and customer segments.

Broad incumbents

• Hörmann: Hörmann is a major European manufacturer of building envelope products including entrance doors, residential/internal doors, and industrial doors. Comparable to Wirus Fenster on the entrance door side and German Mittelstand market position.
• VEKA: VEKA is one of the world's largest extruders of uPVC window and door profiles, supplying fabricators that compete with Wirus Fenster's finished products. Highly comparable on materials technology and channel model.
• REHAU: REHAU is a global polymer-based systems provider with a major window and door business (uPVC and composite). It directly competes with Wirus Fenster on window/door profiles and finished products across European markets.
• Schüco: Schüco is a large German manufacturer of aluminium and uPVC windows, sliding doors, and entrance door systems with global operations. It is a direct upstream competitor to Wirus Fenster in the same product categories and customer segments (fabricators, dealers, commercial/residential projects).

Market position

Strengths3 records

Weaknesses3 records

Competitive moat3 records

Key risks4 records

Key highlights4 records

Customer concentration

• Xx.com/wirus_fenster

Revenue estimate

Valuation estimate

Number of profiles

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 Wirus Fenster