Updated November 10, 2026 648,183companies in the database 3,668categories 22,778chains

Ranking10 chainsWindow installation serviceUpdated November 10, 2026

Window installation services: the largest chains in Austria

The largest chains in the “Window installation service” category in Austria by number of active locations in the category. In total 210 window installation services, 23% of them belong to chains; number one is Lagerhaus with 8 locations (4% of the category). The ranking lists all 10 chains with two or more locations in the category.

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Category

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Construction company

Electrical installer

Plumber

Electrical engineer

Building materials store

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Roofing contractor

HVAC contractor

Home improvement store

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Window supplier

Flooring contractor

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Plumbing service

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Paint supplier

Glazier

Tile dealer

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Stonemason

Air conditioning contractor

Office space rental agency

Heating equipment supplier

Awning supplier

Window installation service

Swimming pool contractor

Construction machine dealer

Bathroom showroom

Construction equipment rental

Concrete contractor

Elevator service

Fence contractor

All chains of the sector

10 chains in the ranking·Austria · Window installation service·Chain — two or more active locations in the category

Lagerhaus4 states · 4% of the category

8locations

REKORD Fenster3 states · 4% of the category

8locations

Kaiser Sicherheits- und Fenstertechnik2 states · 2% of the category

4locations

1–10 of 10

Rank	Chain	Locations	States	Market share
01	LagerhausLower Austria, Upper Austria and others	8	4	3.8%
02	REKORD FensterCarinthia, Lower Austria and others	8	3	3.8%
03	KS Kaiser Sicherheits- und FenstertechnikStyria, Carinthia	4	2	1.9%
04	WK FensterLower Austria, Vienna	2	2	1.0%
05	HL Harald LettnerLower Austria	2	1	1.0%
06	WI WindoorsVienna	2	1	1.0%
07	ZF Zirngast Fenster und TürenStyria, Vienna	2	2	1.0%
08	TC TF & COSalzburg	2	1	1.0%
09	SP Sun-Protect FensterreparaturVienna	2	1	1.0%
10	HE HellingerUpper Austria	2	1	1.0%

Share — of all window installation services in Austria; under the chain — the states with most of its locations in the category210 in the category

Chains and independent companies

In chains49 · 23%

Independent161 · 77%

The five largest chains account for 11.4% of all window installation services in Austria.

The database

Window installation services in one file

210 window installation services — chains and independents — with phone, website, opening hours and chain.

20 € — Details

How we count

Rank — by number of active locations of the chain in the “Window installation service” category in all of Austria; share — of all window installation services. A chain has at least two locations; the chain affiliation comes from the source. Closed locations are not counted.

Rankings in the sector

Chain rankings of other categories

Categories with a high share of chains; number — chains in the ranking.

All chains of Austria

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