Fiduciary Offices in
Winkel

SKY Treuhand AG

Since 1985 · 1–10 empl.·5.0(7)

The core activity of Sky Treuhand AG is the provision of services in the areas of property management, tax declarations, and accounting for small and medium-sized enterprises (SMEs) as well as for private individuals. Specifically, this includes: Property management: Management of rental properties and condominium owner associations; Tax declarations: Preparation of tax returns for private individuals and companies; Accounting: Administrative management of companies and private individuals; Consulting: Provision of consulting services in the areas of real estate, taxes, and accounting; Pension and inheritance: Provision of services in the area of pension and inheritance planning, including heir representation and inheritance management as well as estate administration.

PartNET AG

Since 2014 · 1–10 empl.·5.0(5)

The company PartNET AG offers business consulting services, particularly in the areas of: * Management and Organization * Finance and Accounting * Tax Consulting * Training and Process Optimization * Succession Planning * Marketing and Communication. The company supports customers in structuring, founding and organizing companies as well as optimizing business processes. It also offers training and workshops to support customers in improving their skills and processes.

R & M Consulting R. Müller

Since 1992 · 1–10 empl.

The core activity of R & M Consulting is the provision of consulting and trust services, particularly in the areas of corporate consulting, trust, accounting and taxation. The company offers comprehensive and competent services, including the preparation of tax returns, and is aimed at customers in the Zurich-North region.

3AAA Treuhand GmbH

Since 2005 · 1–10 empl.

The core activity of 3AAA Treuhand GmbH is the provision of financial and corporate consulting services, including: tax consulting, accounting and bookkeeping, financing, succession planning, company formation, domiciliation, inheritance divisions, interim CEO and CFO positions, and due diligence. The company offers these services to individuals, entrepreneurs, and families, positioning itself as an international partner in the world of taxes and finance.

Impuls Treuhand GmbH, Zweigniederlassung Winkel

Since 2024 · 1–10 empl.·5.0(4)

Impuls Treuhand GmbH, Zweigniederlassung Winkel provides fiduciary services including management of financial accounting with interim and annual statements, VAT returns, payroll administration, tax declarations and business advisory services.

Smart Balance ACC GmbH

Since 2025 · 1–10 empl.

Smart Balance ACC GmbH provides services in accounting, controlling, taxes, estate administration, company formation, and IT. The company supports financial bookkeeping, VAT reporting, tax advisory, reporting, IT security, cloud services, and IT support.

Versolution GmbH

Since 2005 · 1–10 empl.

DC Trust GmbH

Since 2008 · 1–10 empl.

Navera Buchhaltungen N. Veraguth

Since 2009 · 1–10 empl.

DMA Mägerle Treuhand

Since 2014 · 1–10 empl.

RELT Finance GmbH

Since 2018 · 1–10 empl.

Gerber Treuhand & Verwaltungs AG

Since 2023 · 1–10 empl.