Fiduciary Offices in
Uster

Zahlenwerkstatt GmbH

Since 2012 · 1–10 empl.

Zahlenwerkstatt GmbH provides accounting, payroll and tax services as well as audit, property management and fiduciary services. Offerings include financial accounting, payroll processing and social‑security filings, tax return preparation and representation, statutory financial audits, management of rental and condominium properties, and support with company formation, succession and estate/pension planning.

Columna Treuhand AG

Since 2013 · 1–10 empl.

The core activity of Columna Treuhand AG is the provision of trust and corporate consulting services, including: accounting and financial statement preparation, tax consulting and planning, payroll and personnel administration, corporate law and company formation, and corporate consulting and restructuring. The company thus offers comprehensive services for companies and individuals in the areas of finance, taxes, and law.

FI-Partner GmbH

Since 2016 · 1–10 empl.

FI-Partner GmbH provides accounting, tax and fiduciary services for self-employed persons, SMEs and associations, including payroll, VAT reporting and preparation of annual financial statements. The firm also assists with company formation, offers temporary accounting support and delivers training and coaching for accounting software such as Banana Buchhaltung and Bexio.

s + k Wirtschaftsprüfung AG

Since 1994 · 1–10 empl.

The core activity of S+K Schmitt Wirtschaftsprüfer und Steuerberater is the provision of services in the fields of auditing, tax consulting and fiduciary services. Specifically, this includes: Auditing, Tax consulting, including tax returns and tax planning, Fiduciary services, such as accounting, commercial administration and business management reports, Succession planning, including business succession, matrimonial property and inheritance law as well as inheritance divisions.

Stierli Treuhand

Since 2014 · 1–10 empl.

The core activity of Stierli Treuhand encompasses the provision of services in the areas of accounting, tax consulting, and property management for small and medium-sized enterprises (SMEs) as well as private individuals. This includes, among other things: Comprehensive accounting services for SMEs, including financial accounting, payroll accounting, and annual financial statement preparation; Tax consulting and preparation of tax returns for private individuals and SMEs; Property management services, including administration of condominium ownership. The company offers individual solutions tailored to the needs of its clients, emphasizing quick response times, efficient collaboration, and highest quality.

Kita Verwaltungs AG

Since 2018 · 1–10 empl.·4.1(30)

FlexTax AG is an independent fiduciary firm offering accounting and financial reporting, tax advisory, payroll administration, business consulting, audit services and real estate services.

TIGU Treuhand und Immobilien AG

Since 2017 · 1–10 empl.·5.0(1)

The core activity of TIGU Treuhand und Immobilien AG is the management of yield-producing real estate, including the administration, marketing and rental of properties, as well as the provision of trustee and administrative services for owners of yield-producing real estate.

AKUNI GmbH

Since 2015 · 1–10 empl.·4.3(3)

The AKUNI GmbH offers a wide range of services as a neutral and independent consulting firm, including Family Office Services, trust services, company formation, pension and benefit assessments, legal advice and seminars. The core activity of the company is the independent and neutral consulting of private individuals and companies in various areas, such as tax returns, dealings with authorities, retirement issues, accounting and general legal matters.

Gubser Kalt & Partner AG

Since 1988 · 11–20 empl.·3.0(6)

Gubser Kalt & Partner AG provides fiduciary services, tax consultancy and statutory audit services. Offerings include accounting and preparation of financial statements, tax planning, legal advice and software support.

Engeler Treuhand

Since 1995 · 1–10 empl.·5.0(2)

The core activity of Engeler Treuhand is the provision of trust services, particularly: * Accounting * Tax returns and tax consulting * Settlements (including for estates, deaths, construction, and real estate) * Real estate sales * Consulting (including financial and budget consulting) * Project work Thus, the company offers a comprehensive range of services for companies and individuals in the areas of financial and tax consulting as well as real estate management.

P. Müller Consulting

Since 2021 · 1–10 empl.

The company's core activity is providing accounting and administrative services to businesses. This includes, in particular: financial accounting, accounts receivable and payable, asset accounting, VAT settlement, cash flow accounting, setting up accounting systems, consulting on accounting issues, implementing accounting software, internal control system (IKS), financial statements according to OR and Swiss GAAP FER, personnel administration, and various office tasks. The company thus provides comprehensive support in the management and organization of businesses, particularly in the areas of financial and personnel management.

Graf Treuhand AG

Since 2012 · 11–20 empl.·4.5(2)

The company's core activity is the provision of services in the fields of auditing, tax consulting, business consulting and real estate management. Specifically, this includes: accounting and financial reporting, tax consulting and tax returns, business consulting, including succession planning, real estate management, including properties and real estate capital gains tax, payroll administration and salary management, and auditing and examination of companies. The company thus offers a wide range of services for companies and private individuals in the areas of finance, taxes and real estate.

Gubser Kalt Wirtschaftsprüfung AG

Since 1982 · 1–10 empl.·3.0(6)

Gubser Kalt Wirtschaftsprüfung AG provides auditing, tax advisory and fiduciary services. Services include statutory and pension fund audits, bookkeeping and payroll, preparation of financial statements and tax returns, and advisory work on company formation, restructurings, financing and reporting.

gass treuhand ag

Since 2020 · 1–10 empl.·5.0(3)

gass treuhand ag is a fiduciary services firm offering bookkeeping, payroll administration, tax declaration and tax planning, and legal advisory services. Its services include financial accounting, payroll processing, VAT and tax filings, and support for business succession processes, with collaboration with external partners when required.

Consonum GmbH

Since 2005 · 1–10 empl.·5.0(1)

The core activity of Consonum GmbH is the provision of services in the field of Human Resources (HR), particularly in the areas of: HR administration, HR management, recruiting and talent acquisition, active sourcing, HR projects, HR training, and employer branding. The company supports its customers in overcoming personnel and organizational challenges and offers individual solutions to support customers in achieving their goals.

Accounting Service Ziegenhagen AG

Since 1999 · 1–10 empl.·5.0(1)

Andres Treuhand GmbH

Since 2025 · 1–10 empl.

Andres Treuhand GmbH provides fiduciary and accounting services to small and medium-sized enterprises and private clients. Services include bookkeeping and annual financial statements, tax advice and tax return preparation, payroll administration, VAT filing, financial planning and support for company formation, liquidation and valuation.

Seminor GmbH

Since 2016 · 1–10 empl.

Seminor GmbH provides financial advisory and administrative support services. Services include coordinating banking, bookkeeping for private clients, SMEs and associations, preparing or reviewing tax returns, secretarial work, archive setup and maintenance, and other general administrative tasks; services are provided by Branko R. Milanovic.

Divo Treuhand AG

Since 2017 · 1–10 empl.

The core activity of Divo Treuhand AG is tax consulting and planning for private individuals, including tax checks, pension planning, estate planning and inheritance consulting.

m medadviser ag

Since 2017 · 1–10 empl.

Nauer Treuhand AG

Since 1977 · 1–10 empl.

CD Treuhand, D. Del Rossi

Since 1983 · 1–10 empl.

Baumann + Partner Treuhand

Since 1985 · 1–10 empl.

Vinoteca Netzer

Since 1987 · 1–10 empl.

Vaucher Treuhand

Since 1990 · 1–10 empl.

Walser-Treuhand

Since 1992 · 1–10 empl.

CD Treuhand GmbH

Since 1997 · 1–10 empl.

Zollinger & Co Treuhand

Since 1999 · 1–10 empl.

Concredo GmbH

Since 2003 · 1–10 empl.

Revitax Partners GmbH

Since 2008 · 1–10 empl.

VIP Treuhand AG

Since 2009 · 1–10 empl.

Gyr Buchhaltungen GmbH

Since 2010 · 1–10 empl.

Dumuid Steuerberatung und Treuhand GmbH

Since 2011 · 1–10 empl.

Walter Meier Buchhaltungsdienstleistungen

Since 2013 · 1–10 empl.

PORTEGO GmbH

Since 2014 · 1–10 empl.

Trust SHI GmbH

Since 2019 · 1–10 empl.

Murati Treuhand GmbH

Since 2021 · 1–10 empl.

Roma Consulting GmbH

Since 2022 · 1–10 empl.