Fiduciary Offices

Sommer Patrick Treuhand GmbH 

Gelterkinden · Since 2011

The core activity of Treuhand GmbH Sandra & Patrick Sommer is the provision of trust services, particularly in accounting, for small and medium-sized enterprises (SMEs), companies and private individuals in the region.

Sonderegger Treuhand AG 

Sissach · Since 1987

The core activity of Sonderegger Treuhand AG is the provision of services in the field of administration and trust, particularly in the assumption of tasks such as accounting, tax consulting and other related activities, in order to save customers time, money and stress.

Sora Solutions Fiduciary AG 

Baar · Since 2023

SORENO Treuhand AG 

Chur · Since 2012

The core activity of SORENO Treuhand AG is the provision of trust services, including corporate consulting, financial and accounting, auditing, taxes, inheritance matters as well as property management and brokerage.

SOS Courrier Sàrl 

Avenches · Since 2007

The core activity of SOS Courrier is to provide services in the fields of accounting, business management and insurance consulting for companies and self-employed individuals. This includes, among other things, the preparation of interim and annual financial statements, accounting planning, financial consulting, company formation and management, as well as the brokerage of insurance coverage. The company offers its customers individually tailored solutions and advises them on all financial matters.

SOSI S.A. 

Fribourg · Since 1989

The company's core activity is the provision of services in the field of fiduciary business, including classical fiduciary activities such as accounting and payroll accounting, as well as the development and integration of software solutions for company management. The company also offers specialized software products for company management, such as Compta Futée, Salary-Sheet and SEAD-WIN.

Soterra SA 

Geneva · Since 1963

Soterra SA is a fiduciary firm providing accounting, tax and payroll services. Its offerings include tax returns for individuals and companies, withholding- and stamp-tax matters, audit services, business advisory (company formation, due diligence, restructuring) and legal/administrative services such as domiciliation and representation before tax authorities, with experience handling cross-border issues involving French taxation.

souls & numbers GmbH 

Zurich · Since 2023

souls & numbers GmbH provides accounting, planning and general management services for start-ups and SMEs. Services include part-time or interim assignments as head of finance and operations, plus project management support for ERP projects, mergers, reorganisations and outsourcing/insourcing.

Sovaria Treuhand AG 

Kloten · Since 1984

The core activity of Sovaria Treuhand AG is the provision of trust services, particularly in the areas of: tax consulting and planning for individuals and companies; corporate consulting, including the establishment, restructuring and liquidation of companies; financial and accounting services, including bookkeeping, accounting and financial planning; personnel administration, including payroll accounting and annual declarations; trust services, including advice on marital and inheritance law, last wills and testaments, and estate administration; property management, including the administration of real estate and condominium ownership; and fiscal representation, including the establishment of tax representation with the Federal Tax Administration. The company positions itself as a personal and direct point of contact for SMEs, individual companies, start-ups and private individuals, offering professional services based on 40 years of experience.

Sovereign Trust (Suisse) Sàrl 

Zug · Since 2005

The company offers a wide range of services in the areas of corporate management, wealth management, and legal advice. The core activities of the company include: * Corporate Services: Formation and management of companies, holding companies, foundations, and trusts * Wealth Management: Asset management, estate planning, tax planning, and risk management * Legal Advice: Legal advice in the areas of corporate law, tax law, real estate law, and intellectual property * International Services: Support for the formation of companies abroad, immigration and relocation, international tax planning, and risk management The company also offers specialized services such as aircraft and yacht registration, insurance services, and pension planning.

SP Accounting GmbH 

Bülach · Since 2016

The core activity of SP Accounting GmbH is to provide financial management and accounting services to small and medium-sized enterprises in Switzerland. This includes in particular: accounting, value-added tax, payroll, property management, and taxes. The company offers individual solutions to relieve customers in these areas and enable them to focus on their core business.

Speh und Partner Immobilien und Treuhand AG 

Pfäffikon Sz · Since 1997

Speh und Partner Immobilien und Treuhand AG is a real estate firm specializing in the sale and brokerage of investment properties, multi-family houses, commercial and business properties, and land. Services include market and site analyses, advisory on property lifecycle issues, preparation of detailed sale dossiers, sales and marketing strategies, and transaction handling.

Spellecchia GmbH 

Pfungen · Since 2024

Spellecchia GmbH provides management consulting, tax advisory, financial advisory and accounting and reporting services. Offerings include business formation, succession planning, budgeting and liquidity planning, bank negotiations, VAT filings and payroll administration.

Speqtrum Holding AG 

Reinach Bl · Since 2021

Speqtrum Holding AG is a holding company that manages subsidiaries and business activities in IT services, web development, fiduciary services, real estate, and trade & import. Its portfolio includes companies providing IT support and web hosting, as well as bookkeeping, tax advisory and property services.

SP Fiduciaire Sàrl 

Geneva · Since 2019

SP Fiduciaire Sàrl provides accounting and payroll services, prepares tax returns and handles social insurance and VAT filings, and manages debtor and creditor accounts for SMEs, agricultural clients and private individuals. The practice uses Crésus software for invoicing, payroll and accounting.

SPIEGEL TREUHAND AG 

Kappel So · Since 2006

The company's core activity is the provision of trust services, including auditing, business consulting, accounting and tax consulting, particularly for small and medium-sized enterprises (SMEs).

S.P.Q.R. Revisorum GmbH 

Zug · Since 2002

The core activity of Fidu Partners encompasses a wide range of services in the fields of finance, taxes, and corporate management. These include: fiduciary services (management of finances, taxes, and corporate affairs), accounting (bookkeeping and financial reporting), tax declarations and consulting, taxation and tax planning, asset management and planning, financial investments and consulting, company formation and registration, payroll and salary administration, and corporate management and organization. The company offers these services to both private individuals and businesses, emphasizing personalized and individualized customer care.

Spring to Life GmbH 

Oberglatt Zh · Since 2008

The core activity of Spring to Life GmbH is the provision of trust services, including payroll, accounting and taxes.

SRC Treuhand GmbH 

Herisau · Since 2021

The core activity of SRC Treuhand GmbH is the provision of services in the areas of accounting, taxes and corporate consulting. Specifically, this includes managing financial accounting, payroll, social insurance, annual financial statements, tax returns, as well as accompanying and shaping change processes in companies.

SRu Buchhaltungen GmbH 

Freienbach · Since 2013

The core activity of SRU-Buchhaltungen is the provision of accounting services.