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DirectoryFinance & InsuranceFiduciary OfficesWinterthurWinco Treuhand AG
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Winco Treuhand AG

Summary

About the company

Winco Treuhand AG provides fiduciary, business consulting and audit services for small and medium-sized enterprises and private clients. Its services include accounting and payroll, VAT and tax filings, corporate transactions (formations, conversions, liquidations), audit engagements, and hosted IT solutions such as AbaWeb and DeepBox for bookkeeping and secure file exchange.

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Products & services

Industry:Fiduciary Offices
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Fiduciary services
Tailor-made fiduciary services for small and medium-sized businesses and private individuals, with personal and holistic advice.
Business consulting
Business consulting for company set-ups, restructurings, mergers, liquidations, purchase and sale of companies, registered office services, valuations, succession planning and executor of will mandates.
Financial and accounting services
Management of financial, accounts receivable and accounts payable accounting, closing-of-accounts advisory, VAT returns, financial and liquidity planning as well as on-site support.
Taxes
Preparing tax returns for natural and legal persons, representation before tax authorities, objections and tax planning and optimisation.
Auditing
Limited reviews according to the CO, foundation and association audits, audits of asset transfers, restructurings and mergers as well as special audits.
Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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Location

Neuwiesenstrasse 37
8400 Winterthur

At a glance

Legal form
Corporation
UID
CHE-354.886.915
Founded
2024 · 2 years
Last commercial register change
October 1, 2025
Employees
11 to 20

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