Fiduciary Offices

Schweizerische Treuhandgesellschaft AG 

Basel · Since 2010

The core activity of Schweizerische Treuhandgesellschaft (Basel) AG encompasses comprehensive consulting services in the following areas: Trust services (financial accounting, payroll administration), Taxes (tax returns, tax consulting), Corporate consulting, Legal consulting, and Family Office (including special mandates). The company thus offers a wide range of services tailored to the needs of businesses and private individuals.

Schweizerische Treuhandgesellschaft (Bern) AG 

Bern · Since 2006

The company's core activity is providing comprehensive consulting services in the areas of trust, taxes, management, law and business consulting. This includes in particular: trust services, financial accounting, human resources, tax returns and tax consulting, business consulting, succession planning, financial management and structures, legal advice, and family office services. The company offers independent and neutral consulting for companies and private individuals and develops individual solutions for their needs.

Schwyz Business Consulting Group GmbH 

Schwyz · Since 2008

Schwyz Business Consulting Group GmbH is a consultancy providing services for small and medium-sized enterprises and private clients. Its offerings include audit, business advisory, accounting, fiduciary services, management consulting, tax advice and legal advice.

S + C Unternehmensberatung AG 

Winterthur · Since 1978

The core activity of S+C Unternehmensberatung AG encompasses the provision of services in the following areas: accounting, legal consulting, human resources, taxes, backoffice software, absence management (PERDOC), and payroll certificates (LgAus). The company thus offers a comprehensive range of consulting and services for businesses, particularly in the areas of finance, human resources, and law.

SDJ fiduciaire Sàrl 

Sullens · Since 2023

The core activity of Fiduciaire SDJ encompasses two main areas: 1. **Trust Services**: The company provides fiduciary services, including: * Solutions for accounting and financial management * Administrative tasks * Tax returns * Human resources management and payroll administration * Creation of business plans for financing * Financial and management services 2. **Real Estate Management**: The company provides services in the field of real estate management, including: * Management of Private Property Estates (PPE) * Administrative, accounting, and technical management of real estate * Rental and management of apartments, houses, and buildings * Administrative tasks and work related to the rental of real estate

SEAL Consulting SA 

Lugano · Since 2005

SEAL Consulting SA provides tax, economic and strategic advisory services and offers corporate services management, relocation, wealth and asset management, and trust and family-office services.

SEBASTIANI & ASSOCIES SA 

Gland · Since 2021

The core activity of SEBASTIANI & ASSOCIES SA is the provision of services in the field of economic and financial management, particularly: payroll management, tax consulting and declaration, fiduciary services, business domiciliation, and family office services. The company thus provides its clients with comprehensive support in managing their financial and administrative affairs.

SE Consulting AG 

Basel · Since 2017

The core activity of SE Consulting AG is the provision of consulting services in the areas of taxes, contracts, image rights, databases, real estate and administration, particularly in the context of legal issues.

Secura Treuhand- und Revisionsgesellschaft, Genossenschaft 

Chur · Since 1934

The core activity of Secura Treuhand AG is the provision of trust services, particularly in the areas of financial consulting, tax consulting, economic consulting, corporate law, structuring and estate planning for wealthy private individuals and companies. This also includes the management of foundation and board of directors mandates as well as the provision of services in the area of asset planning and management.

SeGaM Sàrl 

Martigny · Since 2018

The core activity of SeGaM Sàrl is the provision of services in the field of financial management, tax consulting and corporate administration. Specifically, this includes: Accounting (Accounting): management of accounting, preparation of annual financial statements, payroll accounting, accounts receivable and accounts payable management; Secretariat (Secretariat): creation of invoices, payroll accounting, tax returns and other documents; Taxation (Tax Consulting): preparation of tax returns for individuals and companies, tax advice; Property Management (Property Management): management of properties, preparation of tax returns for properties; Real Estate Financing (Real Estate Financing): advice and support for real estate financing; Pension and Insurance (Pension and Insurance): advice and support for pension and insurance; Wealth Management (Wealth Management): management of assets; Succession (Estate Administration): advice and support for estate administration. The company thus offers a comprehensive range of services for companies and individuals in the field of financial management and tax consulting.

SEGIC Sàrl 

Rossens Fr · Since 2009

SEGIC Sàrl provides fiduciary, real-estate and insurance services, including accounting, payroll and HR administration, tax declarations, property management and claims handling.

Segmüller Treuhand AG 

Lucerne · Since 1973

The core activity of Segmüller Treuhand AG is the provision of trust services, including: accounting and financial reporting, consulting and support, taxes and levies, payroll, auditing and financial examinations, mediation and conflict resolution. The company offers these services primarily to small and medium-sized enterprises across all industries, as well as to foreign companies operating in Switzerland.

Seiler Treuhand AG 

Zurich · Since 1993

The company's core activity encompasses a wide range of services, including: tax consulting and planning, accounting and financial reporting, auditing and examination of annual financial statements, personnel administration and management, succession planning and inheritance law, legal consulting, real estate management, secretarial work and administrative support, deployment of employees and personnel placement, data protection and security (DSG). The company thus offers a comprehensive range of services focusing on the areas of finance, law, personnel and administration.

SELFBRO AG 

Cham · Since 2024

SELFBRO AG provides fiduciary, tax and accounting services as well as office support and debt-collection services for private clients and SMEs; it also assists with company formation and administrative tasks. The firm cooperates with external legal and insurance partners for legal formalities and risk coverage, and offers real estate management and sales services.

Selinger Treuhand 

Schwerzenbach · Since 2019

The core activity of Selinger Treuhand is the provision of services in the areas of financial consulting, accounting, taxes, and real estate for private individuals and small to medium-sized enterprises (SMEs). This includes, in particular: accounting and financial consulting, tax consulting and planning, real estate consulting and management, inheritance planning and consulting, as well as financing and credit consulting. The company offers individual and reliable services to organize and optimize its customers' finances.

SEMA Fiduciaire Sàrl 

Cressier Ne · Since 2024

The core activity of SEMA-Fiduciaire Sàrl is the provision of services in the field of financial and personnel management, specifically: accounting and financial management, taxation, personnel administration, and project management. The company thus offers comprehensive services to businesses and individuals in the areas of finance, taxes, and personnel.

Seminor GmbH 

Uster · Since 2016

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.

Senn & Partner AG, Wirtschaftsprüfungs- und Treuhandgesellschaft 

Wetzikon Zh · Since 1987

The company's core activity is auditing, in particular conducting audits and consulting in the field of finance and accounting, including tax consulting, bookkeeping, annual financial statements and company valuation.

Senn Resources AG 

St. Gallen · Since 1965

Senn Resources AG develops and delivers sustainable, architecturally focused real estate projects and operates as an equity-backed investor. Its activities include land acquisition and project sourcing, development, construction delivery, marketing and advisory services such as sustainability consulting, building services and digital construction.

se-office GmbH 

Sevelen · Since 2015

se-office GmbH provides bookkeeping and administrative services for small and medium-sized enterprises and sole proprietors, including financial accounting, accounts receivable/payable, periodic and annual closings, and VAT filings. Services also include payroll accounting with social-insurance declarations and preparation of tax returns, offered at the company's office or on client premises.