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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,194 companies indexed · Last updated: today
DirectoryReal EstateProperty ManagementWinterthurSiska Verwaltungs AG
Siska Verwaltungs AG Logo
Verified· 4 sources

Siska Verwaltungs AG

Summary

About the company

Siska Verwaltungs AG provides property management for residential and commercial buildings, handling leasing, rent collection, maintenance and renovations. The company also manages condominium associations and offers services for property sales and purchases, valuations, accounting and tax/legal matters.

AI-generated
Offering

Products & services

Industry:Property ManagementReal Estate Brokerage
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Real estate management
Management of residential and commercial properties, comprehensive support, debt collection, maintenance, major renovations, operations for private individuals, heirs’ communities, real estate companies and institutional investors.
Strata property management
Management of strata property for smaller communities and large developments, with transparent information, collaboration with the committee and delegates, and tailored service.
Property sales and purchases
Sale and purchase of real estate, market value assessment, marketing from A to Z, real estate capital gains tax declaration and discreet, professional handling.
Property valuations
Market value appraisals and estimates of real estate as a basis for sales, purchases and other real-estate-related decisions.
Legal and administrative services
Legal reviews of purchase objects, contract review, establishment of strata ownership, accounting for the joint-stock company, general meetings and board mandates.
Tax services
Tax matters, tax returns and support with income and wealth planning for private individuals.
Reviews

Aggregated rating

Aggregated rating
2.9
of 5

Aggregated from 58 reviews across all connected sources

Sources
GGoogle2.958
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

January 28, 2022Media
Bauen in Winterthur – Gegen die Hochhaus-Pläne der Siska formiert sich prominenter Widerstand
tagesanzeiger.ch
February 6, 2021Media
Wie es mit Robert Heubergers Lebenswerk weitergeht
tagesanzeiger.ch

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Location

Schaffhauserstrasse 9
8400 Winterthur
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:00
Tue
08:00 - 12:00, 13:30 - 17:00
Wed
08:00 - 12:00, 13:30 - 17:00
Thu
08:00 - 12:00, 13:30 - 17:00
Fri
08:00 - 12:00, 13:30 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-102.510.896
Founded
1972 · 54 years
Last commercial register change
July 22, 2026
Employees
11 to 20

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