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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,272 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementWindlachAllegra Construction GmbH
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Allegra Construction GmbH

Summary

About the company

Allegra Construction GmbH is a Swiss construction company focused on renovations, new builds, and general contractor services. It also provides construction management and site supervision, coordinating building projects for private clients, property owners, investors, and construction firms.

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Offering

Products & services

Industry:Construction & Project ManagementGeneral ContractorsReal Estate Project Development
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General Contractor
Full project delivery for private, owner and investor clients: planning, selection and coordination of contractors, cost and schedule control through to handover.
Renovations
Full and partial renovations of houses, apartments and properties, from a single bathroom to complete refurbishments with dedicated site management.
New Construction
Coordination and delivery of new-build projects, from site preparation and contractor coordination to supervision of execution.
Site Management and Construction Supervision
Technical, financial and organisational site management for contractors and professional clients, including planning, subcontractor coordination, quantity checks, variations and quality control.
Real Estate Development
Support for the development and enhancement of properties and land, including analysis of intervention options, cost estimates and definition of the right project.
Property Transactions Support
Technical and operational support for investors and real estate professionals in the assessment, acquisition and refurbishment of properties.
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Location

Weierstrasse 1
8175 Windlach

At a glance

Legal form
Limited Liability Company
UID
CHE-249.612.872
Founded
2026 · 0 years
Last commercial register change
September 9, 2026
Employees
1 to 10

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