Fiduciary Offices

Prognos AG 

Basel · Since 1959

The company is an economic research firm specializing in conducting studies, analyses, evaluations, and expert opinions in various fields such as circular economy, mobility, society, education, health, and social security. It also provides consulting services in the areas of strategy, organizational development, sustainability, and transformation consulting. Furthermore, the company is active in policy consulting and analysis and supports public institutions in the development of strategies and policies.

Progress 7 AG 

Mörschwil · Since 2020

The core activity of Progress 7 AG is the consulting and accompaniment of companies, executives and employees in change and development processes, particularly through systemic leadership and team coaching, in order to improve collaboration, communication and efficiency and to sustainably increase business success.

Progressia Société Fiduciaire et de Gestion SA 

Fribourg · Since 1973

The company offers services in the following areas: * Fiduciary (Trusteeship): Support in the establishment, management and liquidation of companies * Accounting and Consulting (Accounting and Consulting): Financial and tax consulting, due diligence in M&A transactions * Payroll Management (Payroll Management): Management of salaries and social security contributions * Provision of qualified personnel (Outsourcing): Provision of qualified personnel * Audit and Expertise (Audit and Expertise): Conducting audits and preparing expert opinions The company's core activity is the provision of services to companies, particularly in the areas of finance, taxes, law and personnel.

proloyal GmbH 

Zug · Since 2020

The core activity of proloyal GmbH is the provision of services in the field of tax returns and accounting, particularly for private individuals and companies in Switzerland. This also includes specialized services such as processing cantonal allocations, real estate, investments, inheritance communities, divorces, and pillar 2 and 3 pension planning.

PROMERA Sagl 

Arogno · Since 2003

PROMERA Sagl provides fiduciary and administrative services, including outsourced accounting, preparation of annual and interim financial statements, VAT reporting, payroll and personnel administration, tax and corporate consultancy, and general secretarial support.

Prosolve SA, Società di revisione contabile e consulenza aziendale 

Bioggio · Since 1998

The core activity of Prosolve SA is the provision of services in the fields of auditing, business consulting and financial services. In particular, the company offers the following services: Auditing and revision, Business consulting, including management consulting, financial planning and consulting, Financial services, including accounting, tax consulting and planning, Specific consulting in the areas of accounting, controlling and treasury, Preparation of annual financial statements and interim reports, Consulting for the founding and management of companies, including sole proprietorships, partnerships, corporations and foundations. The company primarily offers its services to small and medium-sized enterprises (SMEs) as well as to individual entrepreneurs and freelancers.

prosper ag treuhand & beratung 

Zug · Since 2008

prosper ag treuhand & beratung is a professional services firm providing fiduciary and advisory services. Its services include bookkeeping and financial reporting, tax advisory, payroll and personnel administration, company administration, business consulting, statutory audits and legal advice.

prosperimed gmbh 

Altendorf · Since 2013

prosperimed gmbh provides bookkeeping and tax advisory services; the website lists Martin Müller as managing director and as a bookkeeping expert (VSB) and a certified tax expert (dipl. Steuerexperte).

Prosperus AG 

Zug · Since 2014

Prosperus AG is a fiduciary and consulting firm providing accounting, financial reporting, tax advisory, payroll administration and company administration services. Additional offerings include audit services, legal advice and business consulting for private clients, SMEs and international companies.

Prosura AG 

Pfäffikon Sz · Since 2006

The core activity of Prosura AG is advising entrepreneurs in various areas, including company formation, growth, innovation, venture capital, turn-around, change of ownership and company purchase/sale. The company provides goal-oriented entrepreneur coaching and supports the search for suitable financing options.

PROTAX Treuhand & Steuerberatungen AG 

Herisau · Since 1996

PROTAX Digital GmbH 

Herisau · Since 2021

PROTAX Digital GmbH provides services to digitise administrative functions and to transform business processes using modern software and specialist advisory. Offerings include support for electronic tax filing, document archiving (Kendox), automated data capture (Topal) and remote desktop support (AnyDesk).

PRO Treuhand Service GmbH 

Bözen · Since 2022

The core activity of PRO TREUHAND Service GmbH is comprehensive financial consulting and services for private individuals and companies, including: tax returns and consulting, insurance consulting and brokerage, pension and asset building, health insurance and freedom of movement account consulting, company formation and consulting, children's account and seminar offerings. The company provides all-round care in all areas of financial services and advises customers individually and independently.

Provetia Treuhand AG 

Zug · Since 2013

The core activity of Provetia Treuhand AG is the provision of services in the areas of finance, accounting, and controlling for companies. This includes in particular: accounting and financial reporting, controlling and financial planning, tax consulting for natural and legal persons, personnel administration, liquidity management, negotiations with banks, and support for internationally listed companies according to US GAAP as well as smaller and medium-sized national companies according to OR and SWISS GAAP FER. The company supports its customers in business decisions by providing meaningful figures and data.

Provida Treuhand AG 

Romanshorn · Since 1986

Provida Treuhand AG provides fiduciary and advisory services including accounting, auditing, tax and legal advice. Its offerings include corporate consulting, payroll and personnel administration, due diligence engagements and cloud accounting solutions (Provida Cloud / AbaWeb).

PROVIDA Wirtschaftsprüfung AG 

St. Gallen · Since 2000

PROVIDA Wirtschaftsprüfung AG provides fiduciary, audit, tax and legal services as well as business consulting, including statutory audits, pension‑fund audits, accounting and payroll services, outsourcing, due diligence and IT audits.

Proxista Treuhand AG 

Rorschach · Since 1976

The core activity of Proxista Treuhand AG is the provision of services in the field of finance and administration, particularly in the areas of accounting, taxes, fiduciary services and real estate management.

PRÜFAG Lohnbuchkontrollen AG 

Zurich · Since 2017

PRÜFAG Lohnbuchkontrollen AG conducts payroll controls and verifies compliance with collective labour agreements (GAV), producing control reports for joint commissions. The service includes examination of payroll records, social insurance calculations and working-time accounting, and assistance with preparation and documentation for inspections.

PRÜFAG Wirtschaftsprüfung AG 

Zurich · Since 1980

PRÜFAG Wirtschaftsprüfung AG provides audit and assurance services, including statutory and limited audits, group audits, and financial reviews. The firm is registered with the Swiss Audit Oversight Authority (Revisionsaufsichtsbehörde, RAB) and also offers related services such as company valuations and due diligence.

PS Beratung GmbH 

Auslikon · Since 2022

The core activity of PS Beratung GmbH is process consulting and support for companies in the areas of finance and accounting, process management, quality assurance, and project support. The focus is on analyzing and optimizing business processes, implementing improvement measures, and supporting companies in implementing changes.