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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint742,806 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber Construction & CarpentryWalperswilE. Thomi AG
E. Thomi AG Logo
Verified· 3 sources

E. Thomi AG

Summary

About the company

The core activity of Thomi AG is timber construction, specifically the planning, execution and renovation of timber buildings, including element construction, exterior design, interior design, conversion and renovation, as well as the installation of Velux roof windows and roof structures.

AI-generated
Offering

Products & services

Industry:Timber Construction & Carpentry
✓ Offered8
Timber element construction
Prefabricated timber elements for new builds, storey additions and extensions; planning, structural calculations, workshop drawings, special transport and fast installation.
Conversion / renovation
Conversions and renovations of older buildings, including thermal insulation, adjustments to heating, hot water and solar power, as well as support with GEAK forms and listed / protected buildings.
Roof timber structures
Timber roof structures on masonry, with locally sourced timber, precisely cut components, transport to the construction site and subsequent installation, insulation and wooden panel works.
Exterior design
Carports, wooden terraces, balconies, façades and screw foundations; including consultation, structural calculations, workshop drawings, special transport and installation.
Interior design
Interior fit-out with wood, in particular parquet floors, wooden staircases and wall cladding; advice on wood types, design and safety requirements.
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Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle56
★TrustpilotSoon
PProvenExpertSoon

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Location

Bühlstrasse 25
3272 Walperswil
Opening hours
Mon
07:30 - 12:00, 13:15 - 17:00
Tue
07:30 - 12:00, 13:15 - 17:00
Wed
07:30 - 12:00, 13:15 - 17:00
Thu
07:30 - 12:00, 13:15 - 17:00
Fri
07:30 - 12:00, 13:15 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.206.690
Founded
1978 · 48 years
Last commercial register change
November 11, 2024
Employees
21 to 50

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