Fiduciary Offices

Petruzzi GmbH 

Näfels · Since 1994

The core activity of Petruzzi GmbH is the provision of services in the areas of tax consulting, trust services, auditing (revision) and business consulting, particularly for small and medium-sized enterprises as well as self-employed individuals.

Platel Conseil & Audit SA 

Lausanne · Since 2009

Platel Conseil & Audit SA is an auditing and tax consulting firm specializing in the needs of small and medium-sized enterprises (SMEs) as well as institutions and private individuals. The core activities include: Auditing and revision (Audit), Tax consulting and planning (Fiscalité), Business consulting and management (Conseil d'entreprise), Financial analysis and planning (Analyse financière), Human resources management and administration (Ressources humaines), Education and training (Formation). The company also offers specialized services such as Due Diligence, expert opinions and reports.

Presida Treuhand AG Aarau 

Aarau · Since 1975

Presida Treuhand AG Aarau is an independent fiduciary and information technology company. It provides fiduciary and IT services, operates a data processing centre for handling client mandates and offers payroll outsourcing including the cloud payroll solution E‑Salär with automated employee payments via a cooperation with Raiffeisen.

Prim & Fischbacher Treuhand AG 

Frauenfeld · Since 1971

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.

Primo Treuhand AG 

Wattwil · Since 1985

The core activity of Primo Treuhand AG is the provision of trust and corporate consulting services, particularly in the areas of accounting, company formation, annual financial statements and tax consulting, specifically for small and medium-sized enterprises (SMEs).

Pro Office Biel GmbH 

Biel/Bienne · Since 2004

The core activity of Pro Office Biel GmbH is the provision of services in the field of trust business, in particular: accounting and payroll administration, tax consulting, legal consulting, auditing, real estate management and sales, company formation, succession planning and restructuring. The company specializes in advising non-profit organizations, start-ups, companies and private individuals.

PT Portmann Treuhand 

Schüpfheim · Since 1989

PT Portmann Treuhand is the former trading name of a fiduciary practice; the business is now continued under Treuhand-Partner Schüpfheim AG. The website lists services including company formation and restructuring, accounting and financial reporting, tax advice, audit mandates, financial planning and operational optimisation.

Quadrigis SA 

Yverdon-Les-Bains · Since 2012

The core activity of Quadrigis SA consists of developing and providing a software application called "Quad" as well as providing services in the field of personnel placement and management. Specifically, this includes: Developing and providing a software application that enables personnel placement agencies to simplify and rationalize their work. Providing services in the field of personnel management, including payroll management, accounting, accounts receivable management and consulting. The company focuses on the needs of personnel placement agencies and offers solutions to simplify and improve their work.

RB Swiss Group GmbH 

Baar · Since 2019

The core activity of RB Swiss Group GmbH is to provide services for the establishment and management of companies in Switzerland. This includes: company formation and management, opening of Swiss bank accounts, provision of domicile addresses, appointment of Swiss directors, accounting and tax administration, application for licenses and trademarks, work permits and insurance, co-working spaces, and HR and personnel administration. The company thus offers a comprehensive range of services for companies that are or want to be active in Switzerland.

Rebex AG 

Dietikon · Since 1997

The core activity of Rebex AG includes trust services, including accounting, auditing, tax consulting and financial planning. The company offers responsible and thorough work in these areas and supports companies and individuals in accounting, tax consulting and financial planning.

Recosa - Revisioni e Consulenze SA 

Chiasso · Since 1973

The core activity of Recosa – Revisioni e Consulenze SA consists of providing services in the field of auditing, consulting and analysis of companies, particularly in the Italian-speaking region of Switzerland. Specifically, this includes: annual financial statement audits, preparation of expert opinions in tax and financial matters, analysis of balance sheets, and consulting services for companies on financial and tax matters. The company thus offers professional services in the field of auditing and business consulting.

Reich Treuhand & Consulting 

Goldach · Since 2016

Reich Treuhand & Consulting provides fiduciary, accounting and business consulting services. Services include bookkeeping, interim and annual financial statements, payroll, tax returns and VAT filings, plus advice on company formation, business and liquidity planning and outsourced administrative tasks.

Reist Treuhand GmbH 

Biel/Bienne · Since 2024

The core activity of Reist Treuhand includes providing services in the following areas: accounting and financial and accounting services, tax consulting and planning, audits and audit mandates, and property management, including condominium owner communities, rental properties and cooperative housing estates. The company offers these services to companies, entrepreneurs, private individuals, associations, foundations and cooperatives.

Reliance Trust Company SA 

Geneva · Since 2014

The core activity of Reliance Trust Company SA is to provide services in the field of fiduciary business, particularly in the management of assets, support in complying with legal and tax requirements, and consulting on corporate governance and international tax planning. The company offers its clients tailored solutions for multi-jurisdictional issues and has an international network and expertise in the financial industry.

Rema Immo & Treuhand GmbH 

Schenkon · Since 2018

Rema Immo & Treuhand GmbH provides real estate management and fiduciary services. The company handles property management (including tenant services, renovation concepts, condominium management and rental properties) and offers accounting, payroll, tax and business advisory services.

Reviamco SA 

Bellinzona · Since 1985

The core activity of Reviamco SA includes: Trust services, including: Accounting; Tax consulting; Inheritance consulting; Real estate management and brokerage, including: Management of properties and residential complexes; Purchase and sale of real estate; Rental of apartments and parking spaces.

Revion Treuhand AG 

Hundwil · Since 2022

Revion Treuhand AG provides fiduciary and audit services, including accounting, payroll administration, preparation of financial statements, tax advisory and corporate consulting. The firm also advises on succession, pension and estate planning and offers real estate services such as property management and sales.

Revion Treuhand AG 

Sargans · Since 1990

Revion Treuhand AG is a fiduciary firm providing accounting, tax advisory, auditing and business consulting services. Its offerings also include succession and estate planning, payroll administration, company formation and restructuring, as well as real-estate services such as sales, property management and property administration.

rnp Treuhand AG 

Zollikon · Since 2018

The core activity of rnp Treuhand AG is the consulting of small and medium-sized enterprises in the areas of trust services, corporate consulting and taxes. This includes in particular: Trust services: financial accounting, bookkeeping, financial statement preparation and auditing, personnel administration and payroll; Corporate consulting: corporate consulting, succession planning, choice of legal form, company formations, restructuring, company relocations and legal advice; Taxes: tax returns, tax consulting and tax optimization, value-added tax, fiscal representation, profit/capital taxes, income/wealth taxes, withholding taxes, property taxes, tax rulings, withholding taxes and inheritance/gift taxes.

ROAG Treuhand AG 

Arbon · Since 2007

The core activity of ROAG Treuhand AG encompasses the provision of services in the areas of trust and real estate management. Specifically, the company offers the following services: Financial accounting, payroll accounting and tax consulting for natural and legal persons; Real estate management, including the management of rental properties and condominium ownership; Preparation of heating and ancillary cost statements; Drafting of rental agreements and support in tenant disputes. The company positions itself as a comprehensive service provider in the areas of trust and real estate management, offering its customers practical support and consulting.