Fiduciary Offices

Studio Fiduciario Zucconi SA 

Ascona · Since 1983

Studio Nantea Sagl 

Chiasso · Since 2023

The core activity of Studio Nantea Sagl encompasses the provision of services in the areas of fiduciary, insurance and education. Specifically, the company offers fiduciary services, insurance services and training programs for companies and private individuals.

Studio Portale di Alessandro Portale 

Richterswil · Since 2006

The core activity of Studio Portale is the provision of tax and fiscal advisory services, both at national and international level.

Sturm Office GmbH 

Ettingen · Since 2014

Sturm Office GmbH offers administrative and office support services for SMEs and private clients. Services include office administration (correspondence, quotes, invoicing, telephone support, archiving), accounting and financial bookkeeping (accounts receivable/payable, dunning, payroll), property management, IT project planning, and construction management.

stutz & brühlmann treuhand 

Waldkirch · Since 2007

The core activity of Stutz & Brühlmann Treuhand is the provision of services in the areas of trust, tax consulting, finance and accounting, corporate consulting and restructuring, pension planning and real estate.

Stüürlade GmbH 

Zurich · Since 1993

The core activity of Stüürlade GmbH is the creation and processing of tax returns, as well as the consulting and support of customers in tax matters. The company offers services such as filling out tax returns, reviewing AHV contributions and BVG assets, applying for supplementary benefits and individual premium reductions, as well as creating a Docupass folder.

Suela Treuhand GmbH 

Zurich · Since 2011

Suela Treuhand GmbH provides tailored fiduciary services for small and medium-sized enterprises and private individuals, including accounting, accounts receivable/payable management, payroll administration and tax returns. Services also cover VAT and withholding tax filings as well as corporate advisory such as company formation, restructurings and liquidations.

Suela Treuhand GmbH 

Hilterfingen · Since 2017

Suela Treuhand GmbH is a fiduciary firm providing customized trust services for small and medium-sized enterprises and private individuals; services include financial and payroll accounting, tax consulting, VAT services, HR administration and management consultancy (company formation, restructuring, liquidation).

SuisseFidu - Gabathuler 

Geneva · Since 2023

SuisseFidu offers a wide range of services for companies and entrepreneurs. The core activities include: Trust services (fiduciary): Accounting, Financial management, Accounts receivable management, Tax declaration, Restructuring and reorganization; Legal advice: Company formation, Company documents, Company liquidation, Other legal areas; Business consulting: Company acquisition and transfer, Board of directors mandate, Company domicile, Human resources; Digital services: Payroll management, Job management, HR outsourcing. Overall, SuisseFidu provides a comprehensive range of services for companies and entrepreneurs, from formation to liquidation, including legal advice, financial management, human resources, and digital services.

suissenow Solutions GmbH 

Schindellegi · Since 2014

The company provides consulting services to foreign companies, investors, and start-ups looking to expand into Switzerland. The core activities include: * Market entry consulting: Developing strategies for market entry in Switzerland, analyzing the market and legal environment, identifying potential strategic partners or acquisition targets. * Company formation: Advising on the formation of companies in Switzerland, including choosing the legal form, capital requirements, location, and opening bank accounts. * Company administration: Providing full administration of companies, including financial management, accounting, tax planning, and tax returns. * Mergers & Acquisitions: Identifying acquisition targets, evaluating companies, structuring deals, and conducting due diligence. * Tax consulting: Advising on all aspects of Swiss tax legislation, including tax returns and refunds. * Obtaining permits and licenses: Supporting the acquisition of permits and licenses for business activities in Switzerland. The company positions itself as a 'One-Stop-Shop' for foreign companies looking to expand into Switzerland, offering a comprehensive range of services to facilitate market entry and company management in Switzerland.

Suisse Planer AG 

Heimberg · Since 2019

Suisse Planer AG provides real estate and construction services, including rental and sale, renovation, interior design and construction supply. The company also offers financial and legal advice, social-service support, and translation, marketing and insurance services.

Sulzer Treuhand GmbH 

Urdorf · Since 2000

The core activity of Sulzer Treuhand GmbH is the provision of services in the field of accounting and taxation.

Summartis AG 

Cham · Since 2012

The core activity of Summartis AG involves providing services in the areas of taxes, accounting, and law, particularly for Swiss and foreign clients. This includes, among other things: tax services, accounting services, legal services, including legal advice and representation, and financial services, including cooperation with banks and other financial institutions. The company is accredited as a financial intermediary in Switzerland and offers a wide range of services for private individuals and legal entities.

Summit Treuhand GmbH 

Dättwil Ag · Since 2010

Summit Treuhand GmbH provides fiduciary and business consultancy services, including accounting, tax services, payroll and personnel administration, financial statements and reporting. The firm also advises on corporate matters such as pension planning, succession, restructurings, liquidations and budget and financial planning.

Summit Trust International SA 

Geneva · Since 1999

The company's core activity is the provision of trust and corporate services, including Family Office Services, Charity and Philanthropy Services, Corporate Services and Advisory Services. The company supports its clients in managing and protecting their assets, securing their long-term wealth and achieving their financial goals.

Sunny Company GmbH 

Wallisellen · Since 2009

Sunny Company GmbH provides services in insurance and finance, pension planning, legal and tax advice, and real estate brokerage. The company also offers consulting, management and mediation in the sports sector, including sponsorship advice, support for clubs and athletes, and event organisation.

Sunstone Vermögen & Treuhand AG 

Steinhausen · Since 2002

The core activity of SUNSTONE VERMÖGEN & TREUHAND AG is the provision of trust and family office services, including individually tailored asset management and administration for clients.

Suntax GmbH 

Birmensdorf Zh · Since 2015

The core activity of Suntax GmbH is the provision of services in the areas of trust, tax consulting and corporate consulting, particularly for small and medium-sized enterprises (SMEs). This includes, among other things, accounting, financial statement preparation, taxes, corporate consulting and risk management.

Suppiger MedAdmin GmbH 

Geiss · Since 2024

Suppiger MedAdmin GmbH offers administrative support and billing services for physicians. Services include correspondence management, invoicing and accounting, handling insurance rejections and queries, report preparation, and home-office administration to relieve practice staff.

Surb Treuhand GmbH 

Oberweningen · Since 1997

The core activity of Surb Treuhand is the provision of trust services, including accounting, tax consulting, business consulting and other related services.