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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint742,805 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureGeneral ContractorsOltenW. Thommen AG
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W. Thommen AG

Summary

About the company

W. Thommen AG provides start-up investments, owner's-representative services, board mandates and equity participations. The firm also delivers project development, construction management and construction trust services and collaborates with partners as general planner or total contractor.

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Offering

Products & services

Industry:General ContractorsOwner's Representative
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General contracting and total contracting
Project development, construction management and property trusteeship; full services as general planner or total contractor in the German-speaking region.
Client representations
Representation of clients for construction projects, with guidance and coordination throughout the project process.
Board mandates
Taking on board mandates in companies and providing support at strategic level.
Company participations
Participations in companies as part of business activities and the participation strategy.
Start-up Investments
Investments in start-ups as participation and financing activity.
Reviews

Aggregated rating

Aggregated rating
4.6
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle4.67
★TrustpilotSoon
PProvenExpertSoon

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Location

Ziegelackerstrasse 5
4600 Olten

At a glance

Legal form
Corporation
UID
CHE-106.932.871
Founded
1976 · 50 years
Last commercial register change
January 15, 2024
Employees
1 to 10

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