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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,947 companies indexed · Last updated: today
DirectoryReal EstateProperty ManagementDiepoldsauSonnenbau AG
Sonnenbau AG Logo
Verified· 4 sources

Sonnenbau AG

Summary

About the company

Sonnenbau AG provides services in the real estate and construction sectors, with a focus on property sales, letting, management and administration, as well as property valuation and construction services. The company also offers real estate brokerage, financing support and property participation services.

AI-generated
Offering

Products & services

Industry:Property Management
✓ Offered6
Real estate marketing
Real estate marketing for properties for sale, including research, personal advice, valuation, market information and placement on online marketplaces with 360° tours and drone footage.
Real estate letting
Letting of new-build and existing properties, as well as apartments, office and commercial space, including property intake, rent setting, viewings, credit checks, lease contracts and handover.
Property management and administration
Property management and administration for apartments, office and commercial space and condominiums, including rent collection, replacement tenants, claims handling, technical management and renovation concepts.
Property valuation
Property valuation for plots, single-family homes, multi-family homes, commercial properties and special assets, including online valuation, hedonic market-value assessment and detailed reports.
Construction services
Construction services covering project management, real estate development, construction management and general contracting for new builds, renovations, refurbishments, conversions and turnkey projects.
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Reviews

Aggregated rating

Aggregated rating
4.3
of 5

Aggregated from 32 reviews across all connected sources

Sources
GGoogle4.332
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Press

Media

July 17, 2025Media
Mit Weitblick und Wurzeln
rheintal24.ch
March 4, 2025Media
CasaInvest übernimmt mehrere Immobiliengesellschaften und plant Kapitalerhöhung
rheintaler.ch
May 17, 2018Media
Wechsel bei Sonnenbau
tagblatt.ch
August 19, 2016Media
Architekt Sieber regelt Nachfolge
tagblatt.ch

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Location

Moosstrasse 1
9444 Diepoldsau
Opening hours
Mon
07:30 - 12:00, 13:15 - 17:15
Tue
07:30 - 12:00, 13:15 - 17:15
Wed
07:30 - 12:00, 13:15 - 17:15
Thu
07:30 - 12:00, 13:15 - 17:15
Fri
07:30 - 12:00, 13:15 - 16:15
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-111.731.232
Founded
2004 · 22 years
Last commercial register change
June 16, 2025
Employees
11 to 20

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