Auditor in the
Canton of St. Gallen

156 companies in Auditor based in the Canton of St. Gallen — name and year of registration from the commercial register.

Companies

50 of 156 companies

RT Treuhand AG Logo

RT Treuhand AG

Since 2000 · 11–20 empl.4.8(70)

RT Treuhand AG provides fiduciary and real estate services to businesses, private individuals and organisations. Its services include accounting, tax advice, company formation, auditing, and real estate valuation, brokerage and management.

AuditorBusiness start-upAccounting and annual financial statementsTax consulting and tax returns
ranQ Trust Score 4.6 out of 5.0, rated Excellent, Rank #1
Kamber Treuhand AG Logo

Kamber Treuhand AG

Since 1993 · 1–10 empl.5.0(16)

Kamber Treuhand AG provides fiduciary and accounting services to individuals and businesses. Its services include bookkeeping, payroll, tax advice and returns, company formation, auditing, property management and brokerage, and financial planning.

AuditorTrust servicesTaxes for individualsCompany formation and commercial register amendments
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #2
Wettstein & Partner Treuhand AG Logo

Wettstein & Partner Treuhand AG

Since 2002 · 21–50 empl.4.8(21)

Wettstein & Partner Treuhand AG provides fiduciary services, including bookkeeping, tax and legal advice, and auditing. Its services also include business consulting, such as support with company formation, financial planning and succession.

AuditorBookkeepingLegal and tax adviceAuditing
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #3
WIESER Asset Management AG Logo

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.

Management consultantAccounting A–ZTaxationPersonnel administration
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #4
df audit GmbH Logo

df audit GmbH

Since 2016 · 1–10 empl.4.9(32)

df audit GmbH is a fiduciary and accounting firm serving small and medium-sized businesses, associations and private individuals. Its services include bookkeeping and annual accounts, payroll accounting, tax returns, audits, administrative support, and advice on real estate, company formation and succession planning.

AuditorBookkeepingPayroll accountingTax returns and tax advisory
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #5
Kamber Treuhand AG Logo

Kamber Treuhand AG

Since 2000 · 1–10 empl.5.0(16)

Kamber Treuhand AG provides fiduciary and accounting services to individuals and businesses. Its services include bookkeeping, payroll, tax services, audits, company formation and commercial register changes, as well as financial planning, property management, and advice on matrimonial and inheritance matters.

AuditorFiduciary servicesCompany formation and amendmentsAuditing
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #6
WIESER Wirtschaftsprüfung AG Logo

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.

AuditorAccounts auditCompany set-up, restructuring and advisoryEstablishment of companies
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #7
Stieger Treuhand AG Logo

Stieger Treuhand AG

Since 2005 · 21–50 empl.5.0(4)

Stieger Treuhand AG is a fiduciary services firm providing accounting, tax advice, auditing, and business, legal and property consulting. Its services also include payroll administration, company formation, succession planning and external CFO support.

AuditorAccountingTax consulting and planningPayroll administration
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #8
Revion Treuhand AG Logo

Revion Treuhand AG

Since 1990 · 1–10 empl.4.5(8)

Revion Treuhand AG provides fiduciary and advisory services to businesses, individuals and business-owning families. Its services include financial accounting, payroll administration, tax advice, business support, independent audits, and the management, valuation and brokerage of real estate.

AuditorFiduciary servicesFiduciary managementAudit services
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #9
Ernst & Young AG Logo

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.

Management consultantTax consultingFinancial auditingConsulting
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #10
Brenner Treuhand Logo

Brenner Treuhand

Since 1994 · 11–20 empl.5.0(11)

Brenner Treuhand provides fiduciary and tax advisory services for medical professionals and small and medium-sized businesses. Its services include bookkeeping, financial statements, payroll administration, audits, legal advice and real estate-related support.

AuditorFiduciary servicesTax advisoryLegal advisory
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #11
Kropf & Partner Treuhand GmbH Logo

Kropf & Partner Treuhand GmbH

Since 2002 · 1–10 empl.5.0(5)

Kropf & Partner Treuhand GmbH provides fiduciary and advisory services for businesses and individuals. Its services include financial accounting, tax advice, payroll and personnel administration, business consulting, controlling and audits.

AuditorFinance and accountingFinancial statement advisory and preparationTax advisory / tax law
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #12
Activa Treuhand + Consulting GmbH Logo

Activa Treuhand + Consulting GmbH

Since 1999 · 1–10 empl.4.7(7)

Activa Treuhand + Consulting GmbH provides fiduciary and advisory services for businesses, start-ups and private individuals. Its services include accounting and payroll administration, tax and legal advice, audits, business consulting and IT solutions.

AuditorTrust services for SMEsTrust services for young entrepreneurs and company start-upsTrust services for individuals, heirs’ communities, and associations
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #13
hartmannpartner audit ag Logo

hartmannpartner audit ag

Since 1987 · 1–10 empl.4.8(5)

hartmannpartner audit ag provides auditing and audit services. The company is licensed as an audit expert by the Federal Audit Oversight Authority (RAB).

AuditorAuditTrust services
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #14
Treuhandbüro Hälg AG Logo

Treuhandbüro Hälg AG

Since 2005 · 1–10 empl.4.9(8)

Treuhandbüro Hälg AG is a fiduciary and accounting firm offering bookkeeping, financial statement preparation, tax and legal advice, business consulting and auditing. It supports businesses with their fiduciary matters.

AuditorFiduciary servicesTax and legal advisoryBusiness consulting
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #15
STR Treuhand Uznach GmbH Logo

STR Treuhand Uznach GmbH

Since 2012 · 11–20 empl.4.4(7)

STR Treuhand Uznach GmbH provides fiduciary and business advisory services to companies and individuals. Its services include bookkeeping and financial statements, payroll administration, tax advice, support with business start-ups and business consulting.

AuditorFiduciary servicesTax advisoryBusiness consulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #16
AERNE & SCHNELLI TREUHAND AG Logo

AERNE & SCHNELLI TREUHAND AG

Since 1971 · 1–10 empl.5.0(4)

AERNE & SCHNELLI TREUHAND AG provides fiduciary services for SMEs, including bookkeeping, financial and tax advice, business consulting, and auditing. It handles client mandates across a range of business activities.

Management consultantAccountingFinancial AdvisoryTax Advisory
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #17
Rhenum Treuhand AG Logo

Rhenum Treuhand AG

Since 1985 · 11–20 empl.5.0(7)

Rhenum Treuhand AG is a fiduciary and accounting services firm offering accounting, auditing and tax advice. Its services also include controlling, business consulting and company formation, payroll and personnel administration, pension and succession planning, and property management.

Management consultantTrust Accounting / Financial ReportingTax ConsultingAuditing
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #18
PROVIDA Wirtschaftsprüfung AG Logo

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.

AuditorFinancial auditStatutory audit as auditorAudit of public-law organisations
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #19
inspecta treuhand ag Logo

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.

AuditorAccountingTax and VAT consultingPayroll administration
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #20
Alfa Treuhand- und Revisions AG Logo

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.

AuditorBookkeeping, Finance and ControllingCompany Law, Financial Reporting and AuditCompany Law (Non-Routine Situations)
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #21
OBT AG Logo

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.

AuditorAccounting and fiduciary servicesIT servicesBusiness consulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #22
TEAG Advisors AG Logo

TEAG Advisors AG

Since 1973 · 1–10 empl.

TEAG Advisors AG is an independent, multidisciplinary consulting and fiduciary services firm serving businesses, public institutions, non-profit organisations and individuals. Its services cover fiduciary work and auditing, tax and legal advice, strategy and transformation, and marketing and communications.

Management consultantTrust & AuditTax & Legal AdvisoryStrategy & Transformation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #23
Prefera Treuhand AG Logo

Prefera Treuhand AG

Since 1974 · 11–20 empl.

Prefera Treuhand AG provides fiduciary and auditing services for businesses. Its services include accounting, tax and business consulting, estate divisions, and audits.

AuditorAccounting & BookkeepingTax AdvisoryBusiness Consulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #24
TREHAG Treuhand St. Gallen AG Logo

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.

AuditorTax advisoryFinancial audit / RevisionProperty management
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #25
Revisora Revisionsgesellschaft AG Logo

Revisora Revisionsgesellschaft AG

Since 1982 · 1–10 empl.

Revisora Revisionsgesellschaft AG provides financial audits, special audits, internal auditing and controlling, as well as expert reports.

AuditorFinancial auditsSpecial auditsInternal audits / Controlling
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #26
Interrevision AG Logo

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.

AuditorFinancial auditingSpecial auditsAudit of pension benefit foundations and NPOs
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #27
Alma Treuhand und Beratungs AG Logo

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.

AuditorTrust and advisory servicesBookkeeping and annual financial statementsTax advisory and tax representation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #28
DF Treuhand und Verwaltungs AG Logo

DF Treuhand und Verwaltungs AG

Since 1984 · 1–10 empl.

DF Treuhand und Verwaltungs AG provides fiduciary and administrative services. Its activities include accounting and payroll, tax and business advice, real estate advice and management, and auditing.

AuditorAccountingTax advisoryReal estate advisory and management
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #29
Revisal AG Gossau Logo

Revisal AG Gossau

Since 1988 · 1–10 empl.

Revisal AG Gossau provides audit and accounting services, tax support and advice for small and medium-sized businesses. Its services include statutory and limited audits, other types of audits, bookkeeping, tax advice and business consulting.

Management consultantFinancial statement auditBusiness valuationAccounting and taxes
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #30
RevisionsPartner AG Logo

RevisionsPartner AG

Since 1991 · 1–10 empl.

RevisionsPartner AG is an audit and business advisory firm. Its services include statutory and limited audits, voluntary reviews and audits of specific transactions, as well as business consulting, restructuring, company valuations and succession planning.

Management consultantOrdinary auditsLimited reviewsVoluntary reviews and audit of special transactions
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #31
KPMG AG Logo

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.

LawyerAudit & assurance servicesTax advisoryManagement consulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #32
Mettler Treuhand AG Logo

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.

AuditorFinancial accountingTax advisoryAccounting / Controlling
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #33
Wyrsch Treuhand AG Logo

Wyrsch Treuhand AG

Since 1993 · 1–10 empl.

Wyrsch Treuhand AG advises and supports SMEs and private individuals on fiduciary and business matters. Its services include bookkeeping and annual financial statements, tax advice, audits and business consulting.

Management consultantBookkeepingTax advisoryAuditing
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #34
Horwath Alfa GmbH Logo

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.

Management consultantBookkeeping, Finance and ControllingCompany Law, Financial Reporting and AuditingCompany Law (Non-Routine Situations)
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #35
in time business consulting ag (itbc) Logo

in time business consulting ag (itbc)

Since 1997 · 1–10 empl.

in time business consulting ag (itbc) provides fiduciary and consulting services, including management consulting, coaching, controlling, auditing, tax advice and business analysis.

Management consultantFiduciary officeConsulting and coaching
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #36
OBT AG, Zweigniederlassung Rapperswil SG Logo

OBT AG, Zweigniederlassung Rapperswil SG

Since 1998 · 11–20 empl.

OBT AG, Zweigniederlassung Rapperswil SG provides fiduciary, audit and consulting services as well as IT solutions. Its services include accounting and payroll administration, financial audits, business and tax consulting, HR services and IT support.

Management consultantFiduciary servicesAuditingBusiness consulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #37
Resida Treuhand und Wirtschaftsprüfungs GmbH Logo

Resida Treuhand und Wirtschaftsprüfungs GmbH

Since 1998 · 1–10 empl.

Resida Treuhand und Wirtschaftsprüfungs GmbH provides fiduciary services for businesses and individuals. Its services include bookkeeping and payroll accounting, annual financial statements, tax advice, audits, and consulting on business formation, restructuring and succession planning.

AuditorAccounting and annual accountsTax advisoryAudit services
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #38
Treviso Revisions AG Logo

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.

Management consultantFinancial statement auditTax advisoryTrustee services
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #39
KEEL + PARTNER AG Logo

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.

Management consultantFinancial auditingFiduciary servicesTax advisory
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #40
Amivo AG Treuhand + Revision Logo

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.

Management consultantAuditingTaxationBusiness consulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #41
OREEX Treuhand AG Logo

OREEX Treuhand AG

Since 2002 · 1–10 empl.

The core activity of Kern Treuhandpartner AG is the provision of services in the areas of auditing, fiduciary, tax consulting, accounting and management consulting, including the creation of management reporting packages, consolidations and key performance indicators.

AuditorFiduciary Services
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #42
consis Wirtschaftsprüfung AG Logo

consis Wirtschaftsprüfung AG

Since 2002 · 11–20 empl.

consis Wirtschaftsprüfung AG provides audit and assurance services for companies and other organisations. Its work includes limited, ordinary and voluntary audits of annual and consolidated financial statements, as well as special audits, due diligence and audits of foundations and non-profit organisations.

AuditorFinancial auditingDue DiligenceAnnual financial statement audit
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #43
rawp raschle wirtschaftsprüfung Logo

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.

Management consultantFinancial auditingFiduciary servicesTaxation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #44
Trewitax St. Gallen AG Logo

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.

Management consultantFinancial statement auditTrust services, financial & payroll accountingFinancial statements & tax returns
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #45
Torgler Treuhand AG Logo

Torgler Treuhand AG

Since 2003 · 1–10 empl.

Torgler Treuhand AG provides fiduciary and advisory services to businesses, start-ups, associations, foundations and private individuals. Its services include bookkeeping, annual financial statements, tax and business consulting, interim support and real estate services.

AuditorBookkeepingAnnual financial statementsTax and business consulting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #46
Prefera Audit AG Logo

Prefera Audit AG

Since 2003 · 1–10 empl.

AuditorAuditAccounting & Financial ReportingTax Advisory
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #47
Neuhauser+Rosa Treuhand GmbH Logo

Neuhauser+Rosa Treuhand GmbH

Since 2003 · 1–10 empl.

Neuhauser+Rosa Treuhand GmbH provides fiduciary, tax advisory, business consulting and audit services. Its services include bookkeeping, financial statements, payroll accounting, tax returns, business valuations and audits.

Management consultantFiduciary servicesBusiness consultingTax advisory
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #48
ERM Solutions AG Logo

ERM Solutions AG

Since 2003 · 11–20 empl.

ERM Solutions AG provides audit and consulting services in financial and IT auditing, internal audit, compliance, and enterprise-wide risk and opportunity management. Its services also include governance, internal control systems and IT security consulting, as well as forensic work such as fraud prevention and investigations.

Management consultantInternal AuditDesign and implementation of ICSIT audit
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #49
RTG Revisions- und Treuhandgesellschaft AG Logo

RTG Revisions- und Treuhandgesellschaft AG

Since 2004 · 1–10 empl.

RTG Revisions- und Treuhandgesellschaft AG provides audit and fiduciary services. Its work includes ordinary and limited audits, incorporation and special audits, audits related to capital increases and reductions, and audits of employee pension funds.

AuditorAudit servicesTrustee and advisory services
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #50

Auditor in the Canton of St. Gallen

156AuditorCommercial register (Zefix) · as of November 15, 2026
2003Median year of registrationCommercial register (Zefix) · as of November 15, 2026
156in the Canton of St. GallenCommercial register (Zefix) · as of November 15, 2026
2,530in SwitzerlandCommercial register (Zefix) · as of November 15, 2026
Locations

Auditor in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 15, 2026