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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint742,806 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesZurichwinstr AG
winstr AG Logo
Verified· 3 sources

winstr AG

Summary

About the company

The core activity of winstr AG is the provision of tax consulting and trust services for international and Swiss clients, in particular companies and entrepreneurs.

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Products & services

Industry:Fiduciary Offices
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10
Tax advisory and tax planning
Tax advisory and tax planning for domestic and foreign individuals and companies in national and cross-border situations; including all types of taxes and their impact on social security and civil law.
Tax returns and tax assessments
Preparation of tax returns for individuals and legal entities, including withholding tax, stamp duty, value added tax, inheritance and gift tax declarations.
Tax-optimized restructurings and structuring
Tax-neutral and tax-efficient restructurings, structuring of investments and business activities, advice on legal form, acquisitions and start-ups.
Tax rulings and tax representation
Preparation, negotiation and obtaining of tax rulings as a core activity of the tax consultancy; support in tax-related matters for clients.
Fiduciary services / financial and fiduciary bookkeeping
Keeping financial accounts, preparation of annual and interim financial statements, year-end consultations, consolidations and evaluations for domestic and foreign clients.
Reviews

Aggregated rating

Aggregated rating
1
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle11
★TrustpilotSoon
PProvenExpertSoon

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Location

Limmatquai 120
8001 Zurich
Opening hours
Mon
08:30 - 12:00, 14:00 - 18:00
Tue
08:30 - 12:00, 14:00 - 18:00
Wed
08:30 - 12:00, 14:00 - 18:00
Thu
08:30 - 12:00, 14:00 - 18:00
Fri
08:30 - 12:00, 14:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-470.833.929
Founded
2022 · 4 years
Last commercial register change
September 13, 2022
Employees
1 to 10

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