Fiduciary Offices in
Frauenfeld

Helen Hartmann Treuhand + Verwaltung

Since 1998 · 1–10 empl.

Helen Hartmann Treuhand + Verwaltung provides fiduciary and administrative services, including bookkeeping, tax preparation and advice, property management and sales/brokerage, company formation and business consulting, and estate execution services.

M Advice AG

Since 2001 · 1–10 empl.

The core activity of M Advice AG is the comprehensive consulting of companies and private individuals in the areas of finance, taxes, and law. This includes in particular: tax consulting and optimization, corporate consulting and structuring, asset protection, asset protection, and succession planning, value-added tax consulting and optimization, accounting and controlling, company valuation, board of directors mandates and assumption of organizational functions. The company thus offers a comprehensive range of services designed to support companies and private individuals in overcoming financial, tax, and legal challenges.

Hartmann + Sola Treuhand + Verwaltung AG

Since 2007 · 1–10 empl.

Hartmann + Sola Treuhand + Verwaltung AG provides fiduciary and administrative services, including financial and payroll accounting, tax preparation and tax advisory, and corporate consultancy. The firm manages residential and commercial properties, handles sales and brokerage, prepares property cost statements, and assists with company formation and estate execution.

Walche Revisionsgesellschaft AG

Since 2007 · 1–10 empl.

Walche Revisionsgesellschaft AG provides statutory and voluntary audit services, tax advisory services, and other fiduciary/accounting (treuhand) services. The firm is registered as a revision expert with the Swiss Federal Audit Oversight Authority (RAB) and is a member of EXPERTsuisse.

steffen rausch kessler ag

Since 2009 · 21–50 empl.

steffen rausch kessler ag is a fiduciary and advisory firm offering corporate and entrepreneur consulting, statutory audit services, tax advisory and fiduciary/accounting services. The firm combines these services with professional IT systems to support accounting and financial workflows.

BDS Wirtschaftsprüfungs AG

Since 2009 · 11–20 empl.

The company's core activity is the provision of services in the fields of auditing, tax consulting, management consulting and legal consulting, particularly for medium-sized companies and self-employed individuals from various industries.

AAA Tax Consult GmbH

Since 2011 · 1–10 empl.

The core activity of AAA Tax Consult GmbH is the provision of services in the field of taxes and trust, including: Tax consulting and planning for companies and individuals, Accounting and payroll accounting, Withholding tax refunds, Consulting and preparation of company formations, Recruitment and payroll administration, Trust services, including accounting and self-employment management. The company thus offers comprehensive services in the field of finance and taxes.

Breitenmoser Treuhand GmbH

Since 2014 · 1–10 empl.

Breitenmoser Treuhand GmbH provides fiduciary services to businesses and private clients, including bookkeeping, payroll administration, outsourcing, tax returns and tax advice. The firm’s services also cover corporate law matters and financial planning.

2ZET AG

Since 2014 · 1–10 empl.

The core activity of 2ZET AG encompasses financial management, engineering, change management and strategy support. Specifically, the company offers services such as interim management, reorganization, training and coaching of management junior staff, as well as support in financial and process management.

Brema Treuhand AG

Since 2019 · 11–20 empl.

The core activity of Bühler Hartmann Treuhand AG is the provision of trust services, particularly in the areas of: * Corporate consulting * Financial accounting * Payroll accounting and personnel administration * Tax consulting * FMH Services (trust services) The company provides comprehensive consulting and support services for businesses and private individuals.

Böhm, Jufer & Partner AG

Since 2019 · 11–20 empl.

The core activity of Böhm, Jufer & Partner AG is the provision of services in the areas of financial reporting, consolidation, initial application and sustainability reporting for companies. This includes, in particular, support in the analysis, documentation and implementation of accounting standards such as IFRS, Swiss GAAP FER and US GAAP, as well as the preparation of sustainability reports in accordance with CSRD/ESRS and Art. 964 ff. OR.

Prim & Fischbacher Treuhand AG

Since 1971 · 1–10 empl.·4.8(4)

The core activity of Prim & Fischbacher Treuhand AG is the provision of trust services, particularly in the following areas: accounting and trust, payroll administration, tax consulting, business consulting, and fiscal representation. The company thus offers comprehensive services for companies and private individuals in the areas of finance, taxes, and accounting.

AG Giger Treuhand

Since 1964 · 1–10 empl.·5.0(3)

The core activity of AG Giger Treuhand is the provision of trust services, in particular supporting small and medium-sized enterprises (SMEs) in the areas of accounting, taxes and finance. The company offers competent and comprehensive consulting and support services to its clients.

Adfinas AG

Since 2022 · 1–10 empl.

The core activity of Adfinas AG is the provision of services in the field of auditing, accounting and financing. The company offers, among other things, auditing, revision and consulting in finance and accounting. The company's experts are federally certified auditors and revision experts who have gained many years of experience in renowned companies such as PwC Switzerland.

Stillhard Treuhand AG

Since 1993 · 1–10 empl.·4.0(4)

The core activity of Stillhard Treuhand AG is the provision of trust services, particularly in the areas of tax returns, financial consulting and planning. The company offers personal and individual solutions to its clients and supports them in managing their finances.

DeKa Gastronomie-Treuhand AG

Since 2003 · 11–20 empl.·5.0(1)

DeKa Gastronomie-Treuhand AG provides fiduciary and accounting services focused on the hospitality sector. Services include payroll (L‑GAV compliant), tax and audit support, and the DeKaOnline platform for online bookkeeping, digital archiving and creditor workflows.

Fehr Treuhand GmbH

Since 2000 · 1–10 empl.·5.0(3)

The core activity of Fehr Treuhand GmbH is the provision of trust services, including accounting, tax consulting, company formations and real estate services.

TosWal GmbH

Since 2015 · 1–10 empl.·5.0(1)

TosWal GmbH provides administrative and financial services for private and institutional clients, including tax returns, bookkeeping, and handling of bank and postal payments. Its services also cover correspondence and general administration, advice and support on estate and succession matters (including wills and executorship), errands and transport, property sale/rental support, and assistance with electronic banking.

Schlauri Treuhand GmbH

Since 2023 · 1–10 empl.·5.0(3)

The core activity of Schlauri Treuhand GmbH is the provision of services in the areas of trust, taxes, and auditing. Specifically, this includes: Trust: accounting, payroll and salary accounting, preparation of business reports; Taxes: tax consulting and support; Auditing: verification and ensuring financial integrity and compliance with regulations. The company supports small and medium-sized enterprises, sole proprietorships, start-ups, and private individuals in these tasks, enabling them to focus on their core business.

TWS Confides AG

Since 2013 · 21–50 empl.·5.0(1)

TWS Confides AG provides fiduciary (treuhand), statutory audit and tax advisory services. Offerings include bookkeeping and payroll, preparation and audit of annual accounts (including group and special audits in cooperation with a revision partner), VAT and cross-border tax advice, business and financial planning, and corporate valuations.

SB steuerberatungs ag

Since 2018 · 1–10 empl.·5.0(2)

The core activity of SB Steuerberatung AG is tax consulting and planning for private individuals, companies, and trustees/lawyers in Switzerland and internationally. This includes, among other things: National and international tax planning, tax returns and tax proceedings, value-added tax law, international tax law, tax opinions and optimization, support during tax audits and appeal proceedings, and consulting on real estate transactions and corporate restructuring. The company offers comprehensive tax consulting services to support customers in optimizing their tax burden and fulfilling their tax obligations.

aptax AG

Since 2025 · 1–10 empl.

aptax AG provides a digital service for preparing tax returns. The company handles document processing, reviews possible deductions, and prepares the filing, with personal support throughout the process.

Böhi Treuhand AG

Since 1978 · 1–10 empl.·2.6(5)

The core activity of Böhi Treuhand AG is the provision of trust services, particularly in the areas of accounting and financial reporting, payroll accounting, tax returns and tax planning, corporate consulting, company formation, restructuring and liquidation, and value-added tax accounting. The company offers personal support and consulting services for businesses and private individuals in these areas.

OZ-Finance GmbH

Since 2024 · 1–10 empl.·5.0(3)

The core activity of OZ-Finance is the provision of financial services, particularly in the areas of: * Accounting and financial reporting * Tax consulting and tax returns * Payroll processing and personnel administration * Financial planning and support for companies and individuals * Auditing and financial statement auditing The company offers these services to various customer groups, including small and medium-sized enterprises, family businesses, private individuals, sole proprietorships, associations, and foundations.

TRECO Finanz & Treuhand GmbH

Since 2024 · 1–10 empl.·5.0(1)

The core activity of TRECO Finanz & Treuhand GmbH is the provision of comprehensive services in the field of financial and trust services, including: corporate consulting, accounting and financial planning, tax consulting and optimization, personnel administration, insurance brokerage, customs clearance and customs processing. The company offers these services primarily to small and medium-sized enterprises as well as private individuals and positions itself as a central point of contact for all financial and administrative matters.

Medifida Treuhand GmbH

Since 2004 · 1–10 empl.

The core activity of Medifida Treuhand GmbH is the provision of services in the field of administrative support for companies and self-employed individuals. This includes in particular: accounting and tax returns, human resources, including payroll accounting and social insurance, property management and condominium ownership, legal advice in the areas of private, corporate, inheritance and employment law, consulting in administrative and financial areas, including neutral pension planning and succession planning, and support in business development. The company thus offers a comprehensive range of services to support companies and self-employed individuals in their administrative and legal matters.

Trauan Treuhand AG

Since 2014 · 1–10 empl.

Trauan Treuhand AG provides fiduciary, accounting, tax assistance and advisory services for companies and private clients. Services include company formation and restructuring, financial and cost accounting, preparation of annual financial statements, tax returns and appeals, payroll and training and support for accounting software.

Confidando GmbH

Since 2020 · 11–20 empl.

The core activity of Confidando GmbH is inheritance consulting and estate settlement, including inheritance divisions and will executions. The company provides comprehensive consulting and services to support heirs in dealing with inheritance matters, particularly in the creation of estate inventories, tax returns and the execution of inheritance divisions.

Tenet AG

Since 1976 · 1–10 empl.

Vosag Immobilien AG

Since 1986 · 1–10 empl.

Tettamanti Treuhand

Since 1989 · 1–10 empl.

H. + M. Zillig AG

Since 1989 · 1–10 empl.

Keller Treuhand und Unternehmensberatung

Since 1992 · 1–10 empl.

ATB-Allgemeine Treuhand- und Beratungs-GmbH

Since 1992 · 1–10 empl.

Bawag Treuhand & Verwaltungs AG

Since 1993 · 1–10 empl.

Thur Treuhand GmbH

Since 1994 · 1–10 empl.

Oswald Treuhand

Since 1996 · 1–10 empl.

AFREMA AG

Since 1996 · 1–10 empl.