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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,194 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsZurichahA-zweifel gmbh
ahA-zweifel gmbh Logo
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ahA-zweifel gmbh

Summary

About the company

ahA-zweifel gmbh is an architectural practice working on conservation and restoration of historic buildings as well as careful conversions, extensions and spatial optimizations. Services include client consulting, construction and site management, development of building-services and structural concepts, interior fit-out and technical assessments.

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Products & services

Industry:Architecture FirmsConstruction & Project Management
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Heritage care restoration
Heritage care restorations, restorations and rehabilitation concepts for historic structures; with thorough analysis, traditional craft techniques and technical solutions.
Client advisory
Support and advice for property owners and client representatives in planning, implementation and heritage-appropriate restoration.
Site supervision
Management and coordination of construction projects, from analysis through control of joint work groups and specialist planners to implementation.
Renovations
Tailored renovation concepts to preserve existing structures and adapt them to modern residential and usage standards.
Heritage conservation
Expert restoration of historic buildings, taking into account traditional craft techniques and modern technical solutions.
Interior fit-out
Design and execution of interior spaces, focusing on materials, light and spatial impact.
Expert reports
Analyses and expert reports on structural condition, heritage conservation relevance, the substance and technical optimization options.

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Location

Werdgässchen 21
8004 Zurich
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-349.301.289
Founded
2015 · 11 years
Last commercial register change
April 7, 2025
Employees
1 to 10

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