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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,877 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber Construction & CarpentryThayngenBernhard Sigg, Holzbau, Innenausbau
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Verified· 3 sources

Bernhard Sigg, Holzbau, Innenausbau

Summary

About the company

Bernhard Sigg, Holzbau, Innenausbau provides carpentry, joinery and interior-construction services, including timber structures, element construction, renovations, facades, kitchens, furniture and staircases. The business also offers timber-construction planning, support for photovoltaic installations, project supervision and planning/calculation services with 3D visualizations.

AI-generated
Offering

Products & services

Industry:Timber Construction & Carpentry
✓ Offered5
Timber framing
Timber structures, modular timber construction, conversions & renovations, facades, building envelope retrofits, terrace flooring, roof windows & dormers, roofing.
Joinery
CNC machining, kitchens, furniture, flooring, staircases; made-to-measure joinery work from planning and production through to installation.
Timber construction planning
Planning and concept development of timber construction projects with detailed construction plans, coordination with clients and execution with timber know-how.
Construction supervision
Supervision of construction projects with construction progress monitoring, quality checks and support up to completion.
Solar systems (Photovoltaics)
Integration of solar solutions into construction projects to increase energy efficiency, as well as advice on energy costs and climate protection.
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Reviews

Aggregated rating

Aggregated rating
4.2
of 5

Aggregated from 10 reviews across all connected sources

Sources
GGoogle4.210
★TrustpilotSoon
PProvenExpertSoon

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Location

Industriestrasse 27
8240 Thayngen
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-103.830.240
Founded
1986 · 40 years
Last commercial register change
November 2, 2023
Employees
11 to 20

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