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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,947 companies indexed · Last updated: today
DirectoryCrafts & TradesSheet Metal WorkHorriwilSchreier AG
Schreier AG Logo
Verified· 3 sources

Schreier AG

Summary

About the company

The core activity of Schreier AG includes the planning, implementation, repair and maintenance of sanitary, heating and plumbing work, including: bathroom renovations, sanitary work (e.g. descaling of boilers, installation of water softening systems), heating work (e.g. heating system renovation), plumbing work (e.g. installation of skylights, lightning protection systems), pipeline construction and water damage repair, and work with liquid plastic and core drilling. The company thus offers comprehensive services in the field of water and heat for private households.

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Offering

Products & services

Industry:Sheet Metal Work
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Sanitary installations
Installation, maintenance and repair of sanitary systems; descaling boilers, installing water softening systems, building pipework and carrying out bathroom and kitchen conversions.
Sheet metal work
Sheet metal work and waterproofing on roof and facade; gutters, downpipes, cladding, maintenance and renovation of flat roofs, roof inspections, lightning protection and smaller core drilling.
Heating systems
Heating renovations, planning and implementation of oil, gas, heat pump, wood pellet and solar systems; heating repairs, maintenance and service work.
Bathroom renovations
Planning and implementation of bathroom renovations; modernization of wet rooms, barrier-free showers, shower toilets, replacement of bathtubs and complete bathroom concepts.
Photovoltaics
Plan, size and implement photovoltaic systems; initial consultation, suitability check, quotation, building permit application, funding contributions, commissioning and monitoring.
Roof windows
Installation, replacement, maintenance and retrofitting of VELUX roof windows; automation, accessories, exterior roller shutters, markises and interior blinds.
Liquid plastic
Waterproofing and coatings with liquid plastic for terraces, balconies, entrance canopies and flat roofs; slip-resistant surfaces and detailed waterproofing.
Water damage
Damage analysis in case of penetrating moisture, immediate measures, remediation options, coordination with professionals and documentation for the insurance.
Reviews

Aggregated rating

Aggregated rating
4.7
of 5

Aggregated from 15 reviews across all connected sources

Sources
GGoogle4.715
★TrustpilotSoon
PProvenExpertSoon

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Location

Gewerbestrasse 2
4557 Horriwil
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.935.613
Founded
1979 · 47 years
Last commercial register change
November 11, 2025
Employees
1 to 10

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