Auditor in
St. Gallen
42 companies in Auditor based in St. Gallen — name and year of registration from the commercial register. The list below shows them all.
All 42 companies in St. Gallen
WIESER Asset Management AG
Since 2007 · 11–20 empl.4.6(18)
WIESER Asset Management AG is part of the WIESER Treuhand Gruppe and provides fiduciary services including accounting, tax, payroll administration, audit services, shell companies, and business consulting. The website also indicates support for finance and administration tasks as well as cross-border cases.
WIESER Wirtschaftsprüfung AG
Since 2003 · 1–10 empl.4.6(18)
WIESER Wirtschaftsprüfung AG conducts statutory and non-statutory audits. Its services also include audits relating to company formations, changes of registered office and changes in capital, as well as business and economic assessments.
Ernst & Young AG
Since 1998 · 101–500 empl.4.2(5)
Ernst & Young AG provides assurance and audit services, as well as consulting in business strategy, transactions, tax, law, technology and sustainability. Its services also include managed services and advice on workforce and organizational matters.

PROVIDA Wirtschaftsprüfung AG
Since 2000 · 11–20 empl.
Die Provida Wirtschaftsprüfung AG in St. Gallen ist auf Wirtschaftsprüfung, Revision und besondere Prüfungsdienstleistungen spezialisiert. Als unabhängige Revisionsstelle unterstützt sie Unternehmen, Organisationen und Institutionen bei ordentlichen und eingeschränkten Revisionen sowie bei weiteren gesetzlichen und freiwilligen Prüfungen. Sie beurteilt die Vermögens-, Finanz- und Ertragslage risikobasiert, effizient und branchenspezifisch. Zum Angebot gehören zudem Prüfungen von Vorsorgeeinrichtungen und öffentlich-rechtlichen Organisationen, die Gestaltung und Prüfung Interner Kontrollsysteme (IKS), Due-Diligence-Prüfungen, Gutachten, Expertisen und weitere spezifische Prüfungen.
inspecta treuhand ag
Since 1960 · 21–50 empl.
inspecta treuhand ag provides fiduciary, audit, tax advisory and real estate services for businesses and individuals. Its services include accounting and financial administration, limited and ordinary audits, tax planning, and property management.
Alfa Treuhand- und Revisions AG
Since 1960 · 1–10 empl.
Alfa Treuhand- und Revisions AG provides audit and fiduciary services, along with advice on accounting, finance and controlling. Its services also include tax and legal advice, business valuations, corporate law and succession planning.
OBT AG
Since 1972 · 21–50 empl.
OBT AG provides fiduciary and consulting services to businesses and other institutions. Its activities include auditing, tax and legal advice, HR services, comprehensive IT solutions and business consulting.
TREHAG Treuhand St. Gallen AG
Since 1976 · 11–20 empl.
TREHAG Treuhand St. Gallen AG is a fiduciary services firm providing tax advice, auditing and accounting services. Its activities also include property management, administrative support, business consulting and financial planning.
Interrevision AG
Since 1982 · 1–10 empl.
Interrevision AG is an audit and business advisory firm. Its services include statutory and limited audits, audits of individual and consolidated financial statements, special audits, and advice on internal control systems and accounting standards.
Alma Treuhand und Beratungs AG
Since 1984 · 1–10 empl.
Alma Treuhand und Beratungs AG provides fiduciary and advisory services to businesses and individuals. Its services include bookkeeping and annual accounts, tax and business advice, personnel and real estate consulting, and audit assignments.
KPMG AG
Since 1992 · 51–100 empl.
KPMG AG provides audit, tax, legal and advisory services to businesses and organisations. Its work includes management and technology consulting, deal advisory, forensic services, and risk and cybersecurity consulting.
Mettler Treuhand AG
Since 1993 · 1–10 empl.
Mettler Treuhand AG provides fiduciary and audit services for businesses. Its services include financial accounting, annual financial statements, accounting and controlling, payroll and personnel administration, company formation advice, tax advice and audits.
Horwath Alfa GmbH
Since 1995 · 1–10 empl.
Horwath Alfa GmbH provides auditing, accounting, bookkeeping and financial services, as well as tax and legal advice. Its services also include business consulting, corporate law, succession planning and fiduciary mandates.
Treviso Revisions AG
Since 2000 · 11–20 empl.
Treviso Revisions AG provides audit, tax advisory, fiduciary and business consulting services. Its work includes statutory and voluntary audits, tax planning, bookkeeping and financial statements, as well as advice on business formation, restructuring and succession.
KEEL + PARTNER AG
Since 2000 · 1–10 empl.
KEEL + PARTNER AG provides auditing, fiduciary, business consulting and tax services. Its activities include statutory and other audits, financial and payroll accounting, corporate advisory services, and tax planning and tax return preparation.
Amivo AG Treuhand + Revision
Since 2001 · 1–10 empl.
Amivo AG Treuhand + Revision provides auditing, tax, fiduciary and business consulting services. Its work includes financial statement audits, tax advice, financial and business planning, and support with company acquisitions, sales and succession planning.
rawp raschle wirtschaftsprüfung
Since 2002 · 1–10 empl.
rawp raschle wirtschaftsprüfung provides auditing, fiduciary, tax and business advisory services. Its work includes financial statement and special audits, bookkeeping and annual accounts, as well as company valuations and advice on internal control systems.
Trewitax St. Gallen AG
Since 2002 · 1–10 empl.
Trewitax St. Gallen AG provides fiduciary, audit and tax advisory services. Its activities include bookkeeping, annual financial statements, business succession advice, and support with corporate reorganisations and restructuring.
Audit Suisse AG
Since 2005 · 11–20 empl.
Audit Suisse AG provides audit services, including ordinary and limited audits, reviews and special audits under the Swiss Code of Obligations. Its services also include fiduciary and tax services, business consulting and company valuations.
FEY Audit & Consulting AG
Since 2008 · 1–10 empl.
FEY Audit & Consulting AG provides auditing, accounting and business consulting services. Its work includes audits for companies, municipalities and non-profit organisations, preparation of financial and consolidated statements, and advice on financial reporting, business valuations and management reporting.
VITREVIS Treuhand AG
Since 2015 · 1–10 empl.
VITREVIS Treuhand AG provides auditing, tax advisory, fiduciary and accounting services to businesses and individuals. Its services also include business consulting, mergers and acquisitions support, and payroll administration.
Rotmonten Wirtschaftsprüfung AG
Since 2018 · 11–20 empl.
Rotmonten Wirtschaftsprüfung AG provides statutory and voluntary audits and special audit services for companies, pension funds, foundations and other organisations. Its services also include accounting advice, quality assurance reviews for audit firms and fiduciary services in collaboration with Rotmonten Treuhand.
LIREX AG
Since 2019 · 21–50 empl.
LIREX AG provides services in auditing, tax, accounting and business consulting. Its services include statutory audits, tax returns, preparation of annual financial statements, and advice on corporate restructuring, reporting systems and financial planning.
Dr. Rietmann & Partner AG, Wirtschaftsprüfer und Steuerberater
Since 1976 · 11–20 empl.4.3(6)
Dr. Rietmann & Partner AG, Wirtschaftsprüfer und Steuerberater provides audit, tax and corporate advisory services. Its services include statutory and other audits, national and international tax advice, M&A advisory, and fiduciary services such as accounting and personnel administration.
Urs Gmünder AG
Since 2015 · 1–10 empl.5.0(3)
Urs Gmünder AG provides tax advisory, fiduciary and auditing services. Its work includes tax returns and planning, bookkeeping and annual accounts, business advisory, audits and company valuations.
von Gunten, Häseli & Partner AG
Since 1975 · 11–20 empl.5.0(1)
von Gunten, Häseli & Partner AG is a fiduciary and consulting firm providing audit, tax, accounting and year-end closing, and business consulting services. Its work includes financial statement audits, tax advice for businesses and individuals, and consulting on company formation, restructuring and succession planning.
Truvag Treuhand und Revisions AG St. Gallen
Since 1983 · 1–10 empl.4.2(5)
Truvag Treuhand und Revisions AG St. Gallen provides fiduciary, audit and business consulting services to companies and private individuals. Its services include accounting, payroll and personnel administration, tax advice, statutory and special audits, and support with company formation, restructuring and succession.
Mettler Revisions AG
Since 1995 · 1–10 empl.5.0(2)
Mettler Revisions AG provides auditing and fiduciary services to businesses. Its services include audits of annual financial statements and special audits, as well as financial accounting, tax advice, payroll and personnel administration, and support with company formations and succession planning.
ACR Wirtschaft und Vermögen AG
Since 1994 · 1–10 empl.5.0(1)
ACR Wirtschaft und Vermögen AG provides fiduciary services covering financial and accounting matters, audits and tax advice, as well as business consulting and asset management. Its services also include succession planning for SMEs and private assets, and assistance with tax returns.
PricewaterhouseCoopers AG
Since 1998 · 101–500 empl.1.0(1)
PricewaterhouseCoopers AG provides audit, tax and consulting services to public and private organisations. Its services also include legal advice, deals and fiduciary services.
ad optima revision ag
Since 2003 · 1–10 empl.5.0(1)
ad optima revision ag provides audit services as a statutory auditor and conducts special audits, including incorporation audits.
KMU Treuhand und Revisions AG
Since 2004 · 1–10 empl.3.7(3)
KMU Treuhand und Revisions AG provides fiduciary and audit services for small and medium-sized businesses. Its services include accounting and financial reporting, tax advice and planning, audits, business consulting, property management, and general fiduciary and administrative support.
DeKa Gastronomie-Treuhand AG, Zweigniederlassung St. Gallen
Since 2026 · 1–10 empl.
DeKa Gastronomie-Treuhand AG, Zweigniederlassung St. Gallen provides fiduciary services for restaurants and hotels. Its services include bookkeeping and payroll administration, tax services, business advisory and digital accounting.
DRS Treuhand & Coaching AG
Since 2003 · 1–10 empl.
DRS Treuhand & Coaching AG provides fiduciary services in accounting and finance, as well as tax advice for individuals and companies. Its services also include business consulting, audits for SMEs, real estate services, and personal and business coaching.
Weber Treuhand AG
Since 1983 · 1–10 empl.
Schmid & Partner Revisions AG
Since 1983 · 1–10 empl.
Terminus Treuhand und Revisions GmbH
Since 2005 · 1–10 empl.
cmt ag
Since 2007 · 1–10 empl.
Eurevio AG
Since 2007 · 1–10 empl.
sgt controlling ag
Since 2010 · 1–10 empl.
Rekholder GmbH
Since 2012 · 1–10 empl.
Michael Härer Wirtschaftsprüfer
Since 2013 · 1–10 empl.
Auditor in St. Gallen
Auditor in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of November 15, 2026
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